Line m has a slope of 0. Line n is perpendicular to line m. What is the slope of line n?
A.
Line n has an undefined slope.
B.-1
C. 0
D. 1

Answers

Answer 1
Your answer would be A, Line n has an undefined slope.

The slope of a line perpendicular to another is the negative reciprocal of the other line.

In this case, the slope of this line is just 0. It'll be better to think of it as instead of 0, something like 0/1, or 0/2, which are equivalent to 0 but work better with the explanation. I'm just going to use 0/1

Therefore, when you take the negative reciprocal of the slope of 0/1, then you end up with -1/0 as the slope of line n. When you divide by 0, the answer is always undefined. Therefore, the line has an undefined slope.

Another way to think about this is by thinking of Line m as a horizontal line. A line with a slope of 0 is just a horizontal line. Perpendicular lines are lines that meet at 90 degree angles. Therefore, the line that would meet with line m, line n, would be a vertical line. And since vertical lines have an undefined slope, line n would have an undefined slope.

Hope this helped!


Related Questions

What is the value of x in the diagram below?

A. 88
B. 100
C. 95
D. 151

Answers

the figure is four sided so it a heptagon

for a heptagon, the sum of all interior angles is 900°

i.e. x+(x+50°)+(x+50°)+(x+50°)+×+×+(x+50°)=900°

or, 7x+200°=900°

or, 7x=700°

or, x= 100°

Answer:

The value of x = 100 ⇒ answer B

Step-by-step explanation:

* Lets study how to find the sum of the interior angles of any polygon

- We can find the sum of the measures of the interior angles of any

 polygon using the rule (n - 2) × 180°, where n is the number of its

 sides or its angles

* Now lets solve the problem

- The polygon has 7 sides and 7 angles

- The measure of three angles of them is x°

- The measure of four angles of them is (x + 50)°

∵ The sum of the interior angles = (n - 2) × 180°

∵ n = 7

∴ The sum of the interior angles = (7 - 2) × 180° = 5 × 180° = 900°

∵ Three angles each measured x°

∵ Four angles each measured (x + 50)°

∴ 3(x°) + 4(x + 50)° = 900° ⇒ simplify it

∴ 3x + 4(x) + 4(50) = 900 ⇒ add the like terms

∴ 3x + 4x + 200 = 900 ⇒ add the like terms

∴ 7x + 200 = 900 ⇒ subtract 200 from both sides

∴ 7x = 700 ⇒ divide both side by 7

∴ x = 100

* The value of x = 100

Find the eighth term of the
geometric sequence, given the
first term and common ratio.
a1=6 and r=-1/3


PLEASE HELP

Answers

Answer:

see explanation

Step-by-step explanation:

The n th term of a geometric sequence is

[tex]a_{n}[/tex] = a₁ [tex](r)^{n-1}[/tex]

where a₁ is the first term and r the common ratio, hence

[tex]a_{8}[/tex] = 6 × [tex](-1/3)^{7}[/tex] = 6 × - [tex]\frac{1}{3^{7} }[/tex] = 6 × - [tex]\frac{1}{2187}[/tex] = - [tex]\frac{2}{729}[/tex]

Which statement is true about the given information?
BD = 1/2BC
BC = 1/2 BE
OBD CE
BC - BD​

Answers

- Since lines BC, CD, and DE are all congruent, then we know that every time a line reaches either a point or an orange line, we can consider that to have a value of 1, for instance.  BD and CE, in this case, both have a value of 6, and therefore the correct answer is BD=CE.

The option third BD ≅ CE is correct because BD and CE are equal in length, so they are congruent.

What is the congruent geometry?

Congruent geometry are those that are exactly the same size and shape. Congruent is represented by the symbol

We have a line segment shown in the figure:

From the figure:

BD = 2BC

BE = 3BC

BC ≅ BD (as the BC and BD are unequal in length, so they cannot be congruent)​

BD ≅ CE (as the BD and CE are equal in length, so they are congruent)​

Thus, the option third BD ≅ CE is correct because BD and CE are equal in length, so they are congruent.

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Hey guys I need help simplifying this radical expression please. ASAP please.

Answers

Answer:

go on symbolab type the equation in and it gives u anwsers and work

Step-by-step explanation:

=\frac{4}{\left(x+2\right)\left(x+4\right)}

the table below shows all possibilities of the outcome of rolling two 6-sided number cubes what is the possibility of rolling a sum of 8​

Answers

Answer:

Final answer is [tex]\frac{5}{36}[/tex].

Step-by-step explanation:

Given that two 6-sided number cubes are rolled. Now we need to find about what is the possibility of rolling a sum of 8​.

From the sample space, you can see that there are total 36 possible outcomes.

out of those outcomes, there are only 5 outcomes that has sum = 8

which are {(2,6), (3,5), (4,4), (5,3), (6,2)}.

Hence probability of rolling a sum of 8 [tex]=\frac{5}{36}[/tex].

Hence final answer is [tex]\frac{5}{36}[/tex].

What is the probability of on-time arrival in class given that the subject is biology? A. 90.1% B. 88.5% C. 84.7% D. 82.4% E. insufficient data

Answers

Answer:

Answer is D 82.4%  

Step-by-step explanation:

Got it right on the test :)

The probability of on-time arrival in class given that the subject is biology is 82.4%

What is probability?

It is defined as the ratio of the number of favourable outcomes to the total number of outcomes, in other words, the probability is the number that shows the happening of the event.

From the definition, the probability is the ratio of total favourable outcome to total outcome.

From the data table, the probability of on-time arrival in class given that the subject is biology:

= 82.4%

Thus, the probability of on-time arrival in class given that the subject is biology is 82.4%

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Please help. I don’t understand what to do

Answers

[tex]\bf \textit{volume of a cone}\\\\ V=\cfrac{\pi r^2 h}{3}~~ \begin{cases} r=radius\\ h=height\\[-0.5em] \hrulefill\\ r=23.9\\ h=100 \end{cases}\implies V=\cfrac{\pi (23.9)^2(100)}{3} \\\\\\ V=\cfrac{57121\pi }{3}\implies V\approx 59816.97\implies \stackrel{\textit{rounded up}}{V=59817} \\\\[-0.35em] ~\dotfill[/tex]

now, for the second one, we know the diameter is 10, thus its radius is half that or 5.

[tex]\bf \textit{volume of a cone}\\\\ V=\cfrac{\pi r^2 h}{3}~~ \begin{cases} r=radius\\ h=height\\[-0.5em] \hrulefill\\ r=5\\ V=225 \end{cases}\implies 225=\cfrac{\pi (5)^2 h}{3}\implies 225=\cfrac{25\pi h}{3} \\\\\\ \cfrac{225}{25\pi }=\cfrac{h}{3}\implies \cfrac{9}{\pi }=\cfrac{h}{3}\implies \cfrac{27}{\pi }=h\implies 8.59\approx h\implies \stackrel{\textit{rounded up}}{8.6=h}[/tex]

solve the system of equations
-2×+9y=11
-5×+2y=-34
×=____
y=____

someone help please! ​

Answers

X will equal 8 and y would equal 3

Final answer:

The solution to the system of equations -2x + 9y = 11 and -5x + 2y = -34 is found using the elimination method. The solution is x = 8 and y = 3.

Explanation:

The system of equations provided appears to be:

-2x + 9y = 11 -5x + 2y = -34

To solve this system, we can use the method of substitution or elimination. In this case, we'll use the elimination method. First, we want to manipulate the equations so that when we add them together, one of the variables gets eliminated.

Let's multiply the first equation by 5 and the second equation by 2:

(-2x + 9y) * 5 => -10x + 45y = 55 (-5x + 2y) * 2 => -10x + 4y = -68

Now, we subtract the second equation from the first:

-10x + 45y - (-10x + 4y) = 55 - (-68)

Which simplifies to:

41y = 123

Divide both sides by 41 to find the value of y:

y = 123 / 41 = 3

Now, substitute y = 3 into one of the original equations to solve for x. We'll use the first equation:

-2x + 9(3) = 11

-2x + 27 = 11

-2x = 11 - 27

-2x = -16

Divide both sides by -2:

x = -16 / -2 = 8

The solutions to the system of equations are x = 8 and y = 3.

Which word does NOT belong with the others? A. triangle B. circle C. oval D. sphere

Answers

Answer:

A triangle

Step-by-step explanation:

If you slice open all of these shapes you will see a circle except the triangle.

Answer:

A triangle because the other shapes are to do with circles.

Answer A.

Find the sum of the first 25 terms of a geometric sequence where the first term is 177,147 and the common ratio is -1/3

Answers

Answer:

132860 to nearest whole number.

Step-by-step explanation:

Sum of n terms = a1 .(r^n - 1) / (r - 1).

S25 = 177,147 ((-1/3)^25 - 1) / (-1/3 - 1)

= 177,147 * -1 /    -4/3

= 132860.

Final answer:

The given task involves finding the sum of the first 25 terms of a geometric sequence with a specific first term and common ratio. This is done using the sum formula for a finite geometric sequence, with the terms alternating in sign due to a negative common ratio.

Explanation:

The subject question deals with the concept of a geometric sequence, specifically finding the sum of the first 25 terms. A key formula to solve this question is the sum of a finite geometric sequence: Sₙ = a₁(1 - rⁿ)/(1 - r), where a1 is the first term, r is the common ratio, and n is the number of terms.

In this case, a₁ is 177,147, r is -1/3 and n is 25. Substituting these values into the formula, the sum, S25 = 177,147 × (1 - (-1/3)25) / (1 - -1/3).

By solving this equation, we get the sum of the first 25 terms of the given geometric sequence. Note that due to the negative common ratio, the terms alternate in sign in this particular geometric sequence.

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Can some one help me this is due to night

Answers

Answer:

Step-by-step explanation:

I am very good at Pythagorean theorem I did it this year. So A=85 E=73 S=37 L=66.5 (or 65) T=82 P=53 D=10 O=89 C=17

To do this it is actually like the easiest thing to do in math. The formula is A²+B²=C². To do this it is easier with a scientific calculator. If you don't have one you can use this online calculator: desmos.com/scientific

Step 1. get the two number and square (²) them ( multiply that number by it) For Example 30 multiplied by 30. Or on the calculator I gave you just do 30²+40²

Step 2. After that you will get 2500. Then on the calculator get this symbol √ and but the number 2500 in front of it. it should look like this. √2500.

Step 3. After that you will get 50 which is your answer. And that is how you do Pythagorean theorem.

I hope that helped you. If you don't have a scientific calculator you can use the link I provided above. If you can't use it I reccomend buying one.

what three-dimensional shape is a basketball

Answers

Answer:

A sphere

Step-by-step explanation:

A sphere is a round three dimensional object with no sharp corners or vertexes.  Since a basketball fits this criteria, it is a sphere.

A line segment begins at the point (-4,-9) and ends at the point (21, 31.625).

What are the coordinates of the point that partitions this line segment into two line segments whose lengths are in the ration of 2:3?

Answers

Answer:

(6 , 7.25)

Step-by-step explanation:

Given in the question coordinates (-4,-9) and (21,31.625)

x1 = -4

y1 = -9

x2 = 21

y2 = 31.625

Ratio

a : b

2 : 3

Formula to use

x = x1 + [tex]\frac{a}{a+b}[/tex](x2-x1)

y = y1 + [tex]\frac{a}{a+b}[/tex](y2 -y1)

Plug values on the formula

x = -4 + [tex]\frac{2}{2+3}(21+4)[/tex]

x = 6

y = -9 + [tex]\frac{2}{2+3}(31.625+9)[/tex]

y = 7.25

Co-ordinates of the point which divide the line into 2:3 is

(6 , 7.25)

Final answer:

To divide a line segment with endpoints (-4, -9) and (21, 31.625) in a 2:3 ratio, we use the section formula to find the partition point, which is (21, 7.25).

Explanation:

The student is asking how to find the point that divides a line segment in a particular ratio, which is a common problem in coordinate geometry. Given the end points of the line segment at (-4,-9) and (21, 31.625) and the ratio of 2:3, we can use the section formula to find the required point.

Here's how we do it step by step:

To partition the segment in the ratio of 2:3, multiply the coordinates of the first point by 3, and the coordinates of the second point by 2.Add the results from step 1 to obtain the sum for each coordinate.Finally, divide these sums by the sum of the ratios, which is 2+3=5.

Applying the formula, the coordinates of the point (x, y) are:

x = (-4×3 + 21×2)/5 = (63 + 42)/5 = 105/5 = 21

and

y = (-9×3 + 31.625×2)/5 = (-27 + 63.25)/5 = 36.25/5 = 7.25

Therefore, the coordinates of the partitioning point are (21, 7.25).

kent can paint a certain room in 6 hours, but Kendra needs 4 hours to paint the same room. How long does it take them to paint the room if they work together? ​

Answers

About 2 and a half hours

Help me don’t respond if you aren’t 100% sure please please

Answers

it is 8/15 because if you count all the groups it is 15 and if you count all the numbers 1 it is 8 which is 8/15

Lacy draws a diamond from a standard deck of 52 cards. Without replacing the first card, she then proceeds to draw a second card and gets a spade.

Are these events independent?
Input Yes or No:

Determine the probability of drawing a diamond and then a spade without replacement.
Write your answer in decimal form, rounded to four decimal places as needed.
Answer =

Linda draws a diamond from a standard deck of 52 cards. She returns the diamond to the deck, then draws a second card. Her second card is a spade.

Are these events independent?
Input Yes or No:
Determine the probability of drawing a diamond and then a spade with replacement.
Write your answer in decimal form, rounded to four decimal places as needed.
Answer =

Answers

Answer:

a) i) No

ii) Probability of drawing a diamond and then spade without replacement is 0.0637.

b) i) Yes

ii) Probability of drawing a diamond and then spade with replacement is 0.0625

Step-by-step explanation:

Part a) Without replacement:

i) Are these events independent?

No, because the both events are dependent. because a card taken out of the deck is not replaced back before taking out the other card so the chances of event occur change.

ii) Determine the probability of drawing a diamond and then a spade without replacement.

Probability of drawing a diamond and then spade = (Probability of drawing a diamond) * (Probability of drawing a spade)

Probability of drawing a diamond :

Total cards in deck = 52

Diamonds = 13

Probability of drawing a diamond  = 13/52

Probability of drawing a spade:

Total cards in deck after taking diamond = 52 -1 =51

Spades = 13

Probability of drawing a spade  = 13/51

Probability of drawing a diamond and then spade = 13/52 * 13/51

= 169/2652

=0.0637

So, Probability of drawing a diamond and then spade without replacement  is 0.0637

Part b) With replacements

i) Are these events independent?

Input Yes or No:

Yes, these events are independent because a card taken out of the deck is replaced back before taking out the other card so the chances of event occur doesn't change.

ii) Determine the probability of drawing a diamond and then a spade with replacement.

Probability of drawing a diamond and then spade = (Probability of drawing a diamond) * (Probability of drawing a spade)

Probability of drawing a diamond :

Total cards in deck = 52

Diamonds = 13

Probability of drawing a diamond  = 13/52

Probability of drawing a spade:

Total cards in deck after replacing diamond = 52

Spades = 13

Probability of drawing a spade  = 13/52

Probability of drawing a diamond and then spade = 13/52 * 13/52

= 169/2704

=0.0625

So, Probability of drawing a diamond and then spade with replacement is 0.0625

The first two events are not independent, with a probability P = 0.0637

The second pair of events is independent, and the probability is P = 0.0625

How to get the probabilities?

First, all the cards on the deck have the same probability of being randomly drawn, which will be p = 1/52.

A) Now, if Lacy first draws a diamond card, now the number of cards in the deck are less (now there are 51 cards on the deck). So the probability of drawing now a spade is larger than before. Then the first two events are not independent.

The probability of drawing a diamond card at first is:

P = 13/52 (because there are 13 diamonds and a total of 52 cards).

The probability of drawing a spade after is:

Q = (13/51)

The joint probability is the product of the individual probabilities, this will give:p = P*Q = (13/52)*(13/51) = 0.0637

B) Now we replace the first card, then the events are now independent, as the probability of drawing a spade after the first draw is not changed (because the total number of cards will be 52).

The probability of drawing a diamond is:

P = 13/52

Now we replace the diamond card drawn.

The probability of drawing a spade will be:

Q = 13/52

The joint probability is:

p = P*Q = (13/52)^2 = 0.0625

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The focus point of the parabola?

Answers

The focus point of the parabola is (2,-2).

ANSWER

[tex](2,- 1)[/tex]

EXPLANATION

The given parabola is

[tex]y = \frac{1}{4} {x}^{2} - x - 1[/tex]

We need to write this parabola in the vertex form by completing the square,

[tex]y = \frac{1}{4} ( {x}^{2} - 4x) - 1[/tex]

[tex]y = \frac{1}{4} ( {x}^{2} - 4x + 4) - \frac{1}{4} \times 4 - 1[/tex]

[tex]y = \frac{1}{4} (x - 2 )^{2} - 2[/tex]

[tex] {(x - 2)}^{2} = 4(y + 2)[/tex]

The vertex is

(2,-2)

The focal length is

[tex]p = 1[/tex]

The focus is

[tex](2,-2 + 1)[/tex]

[tex](2,- 1)[/tex]

Product or quotient

3.92·0.6

0.78·0.13

5.004×1.2

6.3÷0.7

2.25÷1.5

8.1÷0.003

Answers

Answer:

2 44⁄125 [2,352] → Product

507⁄5000 [0,1014] → Product

6 3⁄625 [6,0048] → Product

9 → Quotient

1½ [1,5] → Quotient

2700 → Quotient

Step-by-step explanation:

Treat the decimals as whole numbers by moving the decimal marks all the way to the end of each decimal first, evaluate, then move the decimal mark back to the left the number of times as you started on for both decimals in total.

I hope this helps you out, and as always, I am joyous to assist anyone at any time.

If triangle ABC is an equilateral triangle and BD = 36 inches, find the value of x

Answers

Answer:

The value of x is [tex]24\sqrt{3}\ in[/tex]

Step-by-step explanation:

we know that

An equilateral triangle has three equal sides and three equal internal angles (each internal angle measure 60 degrees)

In this problem

see the attached figure to better understand the problem

In the right triangle ABD

[tex]sin(60\°)=BD/AB[/tex]

Solve for AB

[tex]AB=BD/sin(60\°)[/tex]

we have

[tex]BD=36\ in[/tex]

[tex]sin(60\°)=\frac{\sqrt{3}}{2}[/tex]

substitute

[tex]AB=36/(\frac{\sqrt{3}}{2})=24\sqrt{3}\ in[/tex]

Using the sine ratio, the value of x in the equilateral triangle is: 24√3 inches.

What is the Sine Ratio?

The sine ratio used to solve a right triangle is given as, sin ∅ = opposite side/hypotenuse.

Given the following:

∅ = 60 degrees; sin 60 = √3/2Opposite length = 36 inchesHypotenuse length = x

Apply the sine ratio:

sin 60 = 36/x

√3/2 = 36/x

x = 36/√3/2

x = (36 × 2)/√3

x = 72/√3

Rationalize

x = (72)(√3) / (√3)(√3)

x = 72√3 / 3

x = 24√3

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Michael practiced batting and kept track of his hits. He missed 2 balls but hit 8 balls that were pitched to him. How many balls can Michael predict to hit if he is pitched 20 balls?

Answers

Answer: He can predict 16 balls

Step-by-step explanation:

Answer:

16 balls; c

Step-by-step explanation:

Classify the triangle shown below. Check all that apply.

Answers

Answer:

It's actually right and scalene

Step-by-step explanation:

Since there is a ninety degree angle, it isn't obtuse or acute because the angle is a right angle. And since all the side lengths are different, it must be scalene in comparison to isoceles or equilateral.

The given triangle is Right angled triangle and Scalene triangle i.e. option A and E.

What is triangle ?

Triangle is a two dimensional shape having three side and sum of all angles is equals to .

We have,

A triangle with,

Angles of 90°, 53°, 37° and

Sides 3, 4, 5.

So,

We know that,

When a triangle have any angle equals to 90° then it is a Right angled triangle.

Now,

When a triangle have any three sides unequal and all three angles are of different measures, then it is Scalene triangle.

So,

From the above mentioned statements we can say that triangle is Right angled and Scalene triangle.

Hence, we can say that the given triangle is Right angled triangle, Scalene triangle.

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Collin surveyed 12 teachers At his school to determine how much each person budgets for lunch. He recorded his results in the table.
(Answers are listed in photo)

Answers

Answer:

mean =median, so the data is symmetrical

Step-by-step explanation:

Given

Data set= {10,5,8,10,12,6,8,10,15,6,12,18}

Mean= Sum of data points/number of data points

        = (10+5+8+10+12+6+8+10+15+6+12+18)/12

        =10

Median= mid value

           ={5,6,6,8,8,10,10,10,12,12,15,18}

Middle values are 10 and 10

Median = 10+10/2

             = 20/2

              = 10

Mean= median so there will be no skewness and the distribution is equal !

1) Write the recursive rule for the sequence.

40 , 30 , 20 , 10 , 0 , -10, ,-20


2) Write the explicit rule for the sequence. -1, 14, 29, 44, 59


3)If the probability of an event is P(A) = 2/25 and the probability of the next event is P(B) = 5/6, what is the P(A and B) ?

4)The average weight of the animals in a petting zoo is 40 pounds. The weights of 10 animals in the zoo selected randomly are 35, 46, 59, 18, 44, 23, 61, 45, 40, 38.

The population mean is 40 pounds. What is the sample mean to the nearest pound?
Question 4 options:


43


42


39


41

Question 5 (5 points)


For which intervals is the function positive?

Question 5 options:


(−∞, 4)



(−∞, −6) (−2,4 )



( ∞ , 6) (∞, 4)



(−4, 4)


Question 6 (5 points)


What is the average rate of change from year 30 to year 60?

Question 6 options:


-.44


- .04


4.4


4

Question 7 (5 points)


A rectangular quilt has a long side of 8 feet. A ribbon runs diagonally through the center of the quilt. The angle formed by the ribbon and the shorter side is 50 degrees. What is the perimeter of the quilt? Round to the nearest foot.
Question 7 options:


31 feet


29 feet


32 feet


16 feet

Question 8 (5 points)


Which scenario would most likely be normally distributed?
Question 8 options:


Number of fingers each person has in a restaurant.


Length of a movies at the theater.


Number of crayons in a box.


Age of children at a park.

Answers

Answer:

Step-by-step explanation:

i) Recursive rule is

[tex]a_{n+1} =a_n-10[/tex]

2) Explicit rule for the sequence is

this is arithmetic sequence with a = -1 and d = 15

Hence

[tex]a_n=-1+15(n-1)\\a_n=15n-16[/tex]

3) [tex]P(A and B) = \frac{2}{25} (\frac{5}{6} )\\=\frac{1}{15}[/tex]

4) Sample men = total/no of entries

=[tex]\frac{409}{10} =40.9[/tex]

=41

Which of the following numbers is located between points Q and R on the number line?

Answers

your answer is b) 3.88

Answer: b. 3.88
Reasoning: It appears that the space between each number is divided into 5 spaces, and beause decimal places are divided into tenths, simply divide ten by the fove spaces, and each dash will represent an increase in two hundredths (x.x0) in the decimal. For Q, it is located on the third dash from 3.8, therefore we have to multiply the three ticks by two hundredths for each tick, and that will come out to 6 hundredths, and when added to that 3.8, we can determine that Q is located at 3.86. The same can also go for R, as it is located one tick from 3.9, and one tick times 2 added hundredths will equal adding two more hundredths to 3.9, allowing us to determine that R is located at 3.92. So, with Q at 3.86 and R at 3.92, our answer is between those two numbers, the only option being our answer of 3.88 (b).

Permutation problem that I just do not feel like solving

Your cousin, who is planning her wedding, is working on the seating chart for the reception. She is trying to decide which 6 people should be seated at the table closest to the head table. She has narrowed her decision down to a list of 10 friends.

If the order doesn't matter, in how many ways can she choose 6 friends from the list of 10 to sit at the table closest to the head table?

Answers

210. she has 210 ways to choose 6 friends from the list of 10 to sit at the table closest to the head table no matter the order.

This is a problem of combinations and can be solved using the equation [tex]nC_{k}=\frac{n!}{k!(n-k)!}[/tex], where n! and k! is the factorial of a number. The factorial is defined in principle as the product of all positive integers from 1 (ie, natural numbers) to n.

She has a list of 10 friends and we want to know in how many ways she can choose 6 friends.

Using the combinations equation, with n = 10 and k = 6:

[tex]10C_{6}=\frac{10!}{6!(10-6)!}=\frac{10!}{6!(4!)}=\frac{10.9.8.7}{4.3.2.1}=\frac{5040}{24} =210[/tex]

What is the volume of the following rectangular prism?

Answers

Step-by-step explanation:

v= 1/2x1 3/7

v= 7/8 units 3

Based on the sample results, about what proportion of the population has a favorite social network?
HURRYYYYYY XD

Social Network | Proportion
-------------------------------------------
Site A: | P= 0.24
Site B: | P= 0.30
Site C: | P= 0.26
No Favorite: | P= 0.20


Options--
A-about 0.54
B-about 0.80
C-about 0.20
D-about 0.24

Answers

Answer:

the real answer is about 0.80

Step-by-step explanation:

so it is asking you about what proportion of the population has a favorite social network, and you see that there is a category that is a no favorite and site A B and C are the sites that are favorites. You add 0.24 + 0.30 + 0.26          and you get 0.80. And that is how you get 0.80

Kloh put $3000 dollars in a savings account that earns 4% annually, compounded monthly. use logarithms to find how long would it would take for her to double her money?​

Answers

Answer:

[tex]17.4\ years[/tex]  

Step-by-step explanation:

we know that    

The compound interest formula is equal to  

[tex]A=P(1+\frac{r}{n})^{nt}[/tex]  

where  

A is the Final Investment Value  

P is the Principal amount of money to be invested  

r is the rate of interest  in decimal

t is Number of Time Periods  

n is the number of times interest is compounded per year

in this problem we have  

[tex]t=?\ years\\ P=\$3,000\\ r=0.04\\n=12\\ A=\$6,000[/tex]  

substitute in the formula above  

[tex]\$6,000=\$3,000(1+\frac{0.04}{12})^{12t}[/tex]  

[tex]2=(\frac{12.04}{12})^{12t}[/tex]  

Applying log both sides

[tex]log(2)=log[(\frac{12.04}{12})^{12t}][/tex]  

[tex]log(2)=(12t)log[(\frac{12.04}{12})][/tex]  

[tex]t=log(2)/[(12)log(\frac{12.04}{12})]=17.4\ years[/tex]  

A line passes through the points (1,2) and (3,1) what is the slope of the line

Answers

Answer:

-1/2

Step-by-step explanation:

The slope of a line is given by

m = (y2-y1)/(x2-x1)

    = (1-2)/(3-1)

    = -1/2

The slope is -1/2

Answer:

The slope is -1/2.

Step-by-step explanation:

Slope formula:

[tex]\displaystyle \frac{y_2-y_1}{x_2-x_1}[/tex]

[tex]\displaystyle \frac{1-2}{3-1}=\frac{2}{-1}=-\frac{1}{2}[/tex]

[tex]\Large\textnormal{Therefore, the slope is -1/2.}[/tex]

Eric is a computer programmer who earns a years salary of $35,400. What is his weekly salary?​

Answers

Answer:

Eric's weekly salary is $680.77

Step-by-step explanation:

$35,400 divided by the number of weeks in a year, Which is 52. 52/35,400=680.77

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