First-year students at a school must choose one each of 5 English classes, 4 history classes, 5 math classes, and 3 physical education classes. Find the total number of outcomes

Answer:

a) Irrational

b) Rational

c) Rational

d) Rational

e) Irrational

f) Irrational

Step-by-step explanation:

a) Not expressible as a ratio of two integers, and having an infinite and nonrecurring expansion when expressed as a decimal.

b) It is a terminating decimal

c) It is a fraction

d) It is a integer

e) Not expressible as a ratio of two integers, and having an infinite and nonrecurring expansion when expressed as a decimal

f) Not expressible as a ratio of two integers, and having an infinite and nonrecurring expansion when expressed as a decimal

They have a total mass of about 80kg

Answer: 80kg

Step-by-step explanation: 40 flamingos X 2kg = 80 kg

Answer:

A.) The sum of the product of the number of terms and the number of terms plus one.

Step-by-step explanation:

So, we have the sum of the first 22 positive even numbers:

S = 2 + 4+ 6 + ... + 44

We know the sum of such sequence is given by the (sum of the first number (2) and the last number (44)) multiplied by the number of terms (11).

S = (2 + 44) * 11 = 46 * 11 = 506

Answer A tells us it should be the sum of the number of terms (22) by the number of terms plus one (22 + 1 = 23).

S = 22 * 23 = 506

That's confirmed.

Answer B would give 22 * 21 = 462, so it's not right

Answer C would give 22 * 2 = 44, obviously not right

Answer D would give 22 * 22 = 484, close but not right.

Answer:

the answer is d

Step-by-step explanation:

Answer:

Females and Males

Step-by-step explanation

Men and Women are a perfect example of inequal, men are much greater. Jkjk

n mathematics, an inequality is a relation that holds between two values when they are different. The notation a ≠ b means that a is not equal to b. It does not say that one is greater than the other, or even that they can be compared in size.

Answer:

the answer is c

Step-by-step explanation:

Probability is the ratio of the favorable event to the total number of events. Then P(A|B) is 0.40.

Probability means possibility. It deals with the occurrence of a random event. The value of probability can only be from 0 to 1. Its basic meaning is something is likely to happen.

This Venn diagram shows sports played by 10 students.

Let event A = The students play basketball.

Let event B = The student plays soccer.

Then the probability of the will be

[tex]\rm P(A|B) = \dfrac{P(A \cap B)}{P(B)}\\\\\\P(A|B) = \dfrac{\dfrac{2}{10}}{\dfrac{5}{10}}\\\\\\P(A|B) = \dfrac{2}{5} = 0.40[/tex]

Thus, P(A|B) is 0.40.

More about the probability link is given below.

https://brainly.com/question/795909

Answer:

in april

Step-by-step explanation:

Keep track of every 1, 2, 3, or 4 rolled in 30 rolls and repeat this process 100 times to represent the days the temperature is above 80°F in June.

The BEST way to perform the simulation in this scenario would be to keep track of every 1, 2, 3, or 4 rolled in 30 rolls, as these represent the number of days the temperature is above 80°F in June. Repeat this process 100 times.

By simulating the number of days the temperature is above 80°F in June for 30 rolls and repeating it 100 times, you will obtain a larger sample size and a more accurate estimate of the probability. This approach allows for more data points and reduces the impact of random variations that can occur in smaller sample sizes.

Therefore, option 3 is the best way to perform the simulation: Keep track of every 1, 2, 3, or 4 rolled in 30 rolls and repeat this process 100 times to represent the days the temperature is above 80°F in June.

Learn more about Simulation here:

https://brainly.com/question/2166921

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Answer:

x = -10

Step-by-step explanation:

-3/4 (x+2) = 6

Multiply each side of the equation by -4/3 to clear the fraction

-4/3 *-3/4 (x+2) = 6*-4/3

(x+2) = 2*-4

x+2 = -8

Subtract 2 from each side

x+2-2 = -8-2

x=-10

Last choice the area becomes 25 times greater

2:10 6:30 8:40 has a ratio of 1:5. How I did it was to divide the first number by the second number to get 1:5

Answer:

The last option choice [(1,3), (2,6), (3,9), (4,12)

Step-by-step explanation:

The key idea to understand in a function/relation is that each input can only have one output. Inputs are your x-variables and outputs are your y-variables.

In the first relation, you see the two points (3,4) and (3,5). 3 is your input [since its x] , however, it gives you two outputs [y's], 4 and 5. So you can cross out the first option.

In the second relation, look at the points (3,4) and (3,3). Again, both have the same input 3, but different outputs, 4 and 3. So you can cross out the second option.

In the third relation, look at all of the points. They all share a common input, 1, but different outputs, 2, 3, 4, and 5. So you can cross out the third option too.

Lastly, look at the last relation. They all have different inputs but the key thing to look at here is that each input only has one corresponding output. Thus, this is the right answer.

I hope this helps!

Answer:

[tex]1,275\ m^{2}[/tex]

Step-by-step explanation:

we know that

The area of the shaded region is equal to the area of complete rectangle minus the area of the smaller inside rectangle

so

[tex]A=(65)(30)-(45)(15)=1,950-675=1,275\ m^{2}[/tex]

Alternative Method

The area of the shaded region is equal to the area of three rectangles

[tex]A=(10)(30)+(45)(15)+(10)(30)=1,275\ m^{2}[/tex]

Answer: Your answer is C.

Step-by-step explanation: I'm taking this test rn and it's C. K12 anyone?

Answer:

Step-by-step explanation:

In the given graph, we have an isosceles triangles, which height divides its side in two equal parts.

So, from the division, we have to equal right triangles, which on leg is 6, and its angle is 80°, being the height the other leg.

Now, to find the height, we have to use trigonometric reasons, specifically, the tangent reasons because involves a relation with both legs

[tex]tan80=\frac{h}{6}[/tex]

So, we isolate [tex]h[/tex] to find its expression

[tex]h=6(tan80)[/tex]

If we compare with given choices, you'll observe that option C is the right answer.

Answer:

B) First, find two areas using (4m x 10m = 40m2) and (8m x 3m = 24m2). Next, add (40m2 + 24m2 = 64m2).

Step-by-step explanation:

Samuel should is looking to find the area of his basement in order to cover it with carpet.

An area is calculated by multiplying two dimensions (so answers A and D are not it).

Best solution is to divide the area into two large rectangles then ADD them together to get the total area.

The only scenario where he could have subtracted something based on his plan is if he would have multiplied the 10m by the 12m then subtracted the area that is not part of his basement (7mx8m).  He would have achieved the same result of course, but by going a different way.

A nine cubic millimeters

The volume of a cube with each dimension being 3 mm is obtained by multiplying the length, width, and height which results in 27 cubic millimeters. So the correct answer is C) 27 cubic millimeters.

To solve for the volume of a cube, the formula Volume = Length x Width x Height is used. In the case given, all three dimensions (length, width, and height) are 3 mm. This results in Volume = 3 mm x 3 mm x 3 mm which simplifies to 27 cubic millimeters.

Hence, the correct option is C) 27 cubic millimeters.

https://brainly.com/question/23526372

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The numbers in this addition problem are given in scientific notation. First we should convert these values into decimal notation by moving the decimal points over by the power of 10 that the significant figures are being multiplied by.

The first number is being multiplied by 10^3, so the decimal place will move to the right 3 places to become 1240.

The second number is being multiplied by 10^4, so it becomes 23000.

Add these together to get:

1240 + 23000 = 24240

The answer is 24240.

ANSWER

Mel followed the right direction.

EXPLANATION

Pat's trinomial is;

[tex] {x}^{2} + 3x - 10[/tex]

There are factors of -10 that sums up to 3.

[tex]5 + - 2 = 3[/tex]

Hence this trinomial could be factored into (x-2)(x+5)

Sam's trinomial:

[tex] {x}^{2} + x - 12[/tex]

There are factors of -12 that sums up to 1.

4+-3=1

[tex] {x}^{2} + x - 12 = (x + 4)(x - 3)[/tex]

Mel's trinomial:

[tex] {x}^{2} + 2x - 1[/tex]

There are no factors of -1 that sums to 2.

This trinomial cannot be factored.

Lee's trinomial:

[tex] {x}^{2} + 2x - 3[/tex]

There are factors of -3 that sums up to 2

3+-1=2

[tex] {x}^{2} + 2x + 3 = (x + 3)(x - 1)[/tex]

Answer:

12

Step-by-step explanation:

12 is the lowest common denominator here.  Both 4 and 6 divide evenly into 12 with no remainder.

Answer:

The lateral edge is [tex]7\ in[/tex]

Step-by-step explanation:

we know that

The surface area of a cube is equal to

[tex]SA=6b^{2}[/tex]

where

b is the length side of the cube

we have

[tex]SA=294\ in^{2}[/tex]

substitute in the formula and solve for b

[tex]294=6b^{2}[/tex]

[tex]b^{2}=294/6[/tex]

[tex]b^{2}=49[/tex]

[tex]b=7\ in[/tex]

Answer:

7

Step-by-step explanation:

294/6 = 49

square root of 49 is 7

Set the equation to equal 0:

-x^2 +5 = 0

Subtract 5 from both sides:

-x^2 = -5

Multiply each side by -1:

x^2 = 5

Take the square root of both sides:

x = √5

Complete the solution by having both positive and negative:

x = √5 and x = -√5

Ordered pair: (√5,-√5)

Answer:

Part 1) and Part 2) in the procedure

Step-by-step explanation:

step 1

Find the measures of angles

we know that

The sum of the angles A, B and C must be equal to 360 degrees

Using a protractor

The measures of angles are

∠A=140°

∠B=100°

∠C=120°

step 2

Ordered the measures of the angles from least to greatest

1) ∠B=100°

2) ∠C=120°

3) ∠A=140°

Answer:

Step-by-step explanation:

Use sine and cosine.

[tex]sine=\dfrac{opposite}{hypotenuse}[/tex]

[tex]cosine=\dfrac{adjacent}{hypotenuse}[/tex]

Q8.

We have:

[tex]opposite=y\\\\adjacent=x\\\\hypotenuse=18\\\\\alpha=18^o\\\\\sin18^o\approx0.309\\\\\cos18^o\approx0.9511[/tex]

Substitute:

[tex]\dfrac{y}{18}=0.309[/tex]               multiply both sides by 18

[tex]y=5.562\to y\approx5.6[/tex]

[tex]\dfrac{x}{0.9511}=18[/tex]             multiply both sides by 0.9511

[tex]x=17.1198\to x\approx17.1[/tex]

Q9.

We have:

[tex]opposite=y\\\\adjacent=x\\\\hypotenuse=26\\\\\alpha=68^o\\\\\sin68^o\approx0.9272\\\\\cos68^o\approx0.3746[/tex]

Substitute:

[tex]\dfrac{y}{26}=0.9272[/tex]             multiply both sides by 26

[tex]y=24.1072\to y\approx24.1[/tex]

[tex]\dfrac{x}{26}=0.3746[/tex]          multiply both sides by 26

[tex]x=9.7396\to x\approx9.7[/tex]

Answer:

The original number of cars in parking Lot A was 72 cars and the original number of cars in parking Lot B was 36 cars

Step-by-step explanation:

Let

x----> original number of cars in parking Lot A

y----> original number of cars in parking Lot B

we know that

x=2y ----> equation A

(x-10-13)=y+13 ----> equation B

substitute equation A in equation B and solve for y

(2y-10-13)=y+13

(2y-23)=y+13

2y-y=13+23

y=36 cars

Find the value of x

x=2y -----> x=2(36)=72 cars

therefore

The original number of cars in parking Lot A was 72 cars

The original number of cars in parking Lot B was 36 cars

Parking Lot B initially had 36 cars, and Parking Lot A had twice that amount, which is 72 cars. After 10 cars left Parking Lot A, and 13 cars were transferred from Parking Lot A to B, both lots ended up with the same number of cars.

The question asks us to solve a word problem involving the principle of algebraic equations to determine the number of cars in two parking lots. Let's refer to the number of cars in Parking Lot B as x. Therefore, Parking Lot A has 2x cars since it has twice as many cars as Parking Lot B.

According to the problem, after 10 cars leave Parking Lot A and 13 cars move from A to B, both lots end up with the same number of cars. We can set up the following equation to represent this scenario:

Initial condition: A has 2x cars, B has x cars.

10 cars leave A: A now has 2x - 10 cars.

13 cars move from A to B: A now has (2x - 10 - 13) cars, and B now has (x + 13) cars.

Both lots have the same number of cars: 2x - 10 - 13 = x + 13.

Solving the equation:

2x - 23 = x + 13

2x - x = 13 + 23

x = 36

Therefore, Parking Lot B initially had 36 cars, and Parking Lot A had 72 cars (2×36).

Answer: Consistent

Step-by-step explanation:

When given a system of equations, the definitions of the solution are:

In the given graph, the lines intersect and have exactly ONE solution --> The system is Consistent and Independent.

Answer:

16

Step-by-step explanation:

The perpendicular diameter to the chord divides it into two congruent parts.

Since

we have that XT=TS.

Hence,

3b-1=b+5,

3b-b=5+1,

2b=6,

b=3.

So,

XT=3·3-1=9-1=8

TS=3+5=8

and

XS=XT+TS=8+8=16.

Answer:

narrower than and opens in the same direction as

Step-by-step explanation:

Answer:

narrower than and opens in the same direction as

Step-by-step explanation:

The graph of y = 5x2 is narrower than and opens in the same direction as the graph of y = x2.

First, let's get out common denominators.

8/12 and 3/12.

We then minus the 8 and 3 = 5/12.

We have 5/12.

That's your answer.

Answer:

x= -12,y= -3

Step-by-step explanation:

Answer:

hey this is the answer

Step-by-step explanation:

x= -12,y= -3

Where are your graph?

Answer:

pi*486mm ^3

Step-by-step explanation:

The equation of a hemisphere is half of that of a sphere, therefore it is 2/3pi*radius^3

We must calculate radius, which is just diameter/2 so 18/2 or 9

We can remove pi, as you want this measured in pi cubic millimeters.

this leaves us with (2/3)*9^3 which is 486cm

Henceforth, the final answer is pi*486 cubic millimeters.

Answer:

Answer is C on Ed

Step-by-step explanation: