Explain how rays AB and AC form both a line and an angle.

Answers

Answer 1
they make an L shape
Answer 2

Answer:

An angle is defined as two rays with a common endpoint, so CAB (or BAC) is an angle. A line is described as an infinite set of points that extend forever in either direction, which these rays also do.

What did you include in your response? Check all that apply.  (You should have all of these)

Angles are rays with a shared endpoint.

Lines extend forever in either direction.

Rays AB and AC extend forever in either direction.


Related Questions

what is the factored form of 64g^3+8?

Answers

64 = 4 x 4 x 4 g^3 = g x g x g the problem is the sum of of 2 cubes 8 = 2 x 2 x 2 so the factored form is - a3+b3=(a+b)(a2−ab+b2).

Answer: For those in the future!

The answer to this is D: (4g+2)(16g^2minus8g+4)

Step-by-step explanation:

Find the product. In the form of a paragraph, explain in complete sentences the steps necessary to simplify the expression and include the final answer in your explanation. Complete your work in the space provided or upload a file that can display math symbols if your work requires it.

( x y 2 z)3 (-9x 2 y z)2

Answers

Final answer:

The product of (x y^2 z)^3 and (-9x^2 y z)^2 is found by applying the exponent to each variable inside the parentheses and then multiplying the results together, using exponent rules to simplify. The final simplified expression is 81x^7 y^8 z^5.

Explanation:

To find the product of the expressions (x y^2 z)^3 and (-9x^2 y z)^2, we use the properties of exponents. First, we apply the power to each factor inside the parentheses, which means raising each base to the power outside, and then we multiply the corresponding exponents when the same base is found in both terms.

For the first expression (x y^2 z)^3, we get x^3 y^6 z^3, and for the second expression (-9x^2 y z)^2, we have 81x^4 y^2 z^2 after squaring -9 to get 81 and applying the exponent 2 to each variable.

Next, we multiply these results together: x^3 y^6 z^3 × 81x^4 y^2 z^2 = 81x^{3+4} y^{6+2} z^{3+2}, which simplifies to 81x^7 y^8 z^5. The rule of exponent addition when multiplying like bases, x^p x^q = x^{(p+q)}, is applied here to combine the variables with the same base. Our final simplified product is 81x^7 y^8 z^5.

The final answer is [tex]81 x^7 y^8 z^5.[/tex]

To find the product of the expression [tex](x y^2 z)^3 * (-9x^2 y z)^2[/tex], we can follow these steps:

1. Expand the first expression: [tex](x y^2 z)^3 = x^3 (y^2)^3 z^3 = x^3 y^6 z^3.\\[/tex]
2. Expand the second expression: [tex](-9x^2 y z)^2 = (-9)^2 (x^2)^2 y^2 z^2 = 81 x^4 y^2 z^2.[/tex]

3. Multiply the expanded expressions: [tex](x^3 y^6 z^3) * (81 x^4 y^2 z^2) = 81 x^3 x^4 y^6 y^2 z^3 z^2 = 81 x^7 y^8 z^5.[/tex]

Therefore, the final answer is [tex]81 x^7 y^8 z^5[/tex].

To assess the precision of a laboratory scale, we measure a block known to have a mass of 1 gram. we measure the block n times and record the mean x¯ of the measurements. suppose the scale readings are normally distributed with unknown mean µ and standard deviation σ= 0.001 g. how large should n be so that a 95% confidence interval for µ has a margin of error of ± 0.0001

Answers

For a 95% confidence interval with ±0.0001 margin of error, sample size[tex]\( n \approx 385 \)[/tex] measurements are needed.

To determine the sample size [tex]\( n \)[/tex] needed to achieve a margin of error of [tex]\( \pm 0.0001 \)[/tex] for a 95% confidence interval for the mean [tex]\( \mu \)[/tex], we can use the formula for the margin of error of a confidence interval:

[tex]\[\text{Margin of Error} = Z \times \frac{\sigma}{\sqrt{n}}\][/tex]

Where:

[tex]- \( Z \) is the Z-score corresponding to the desired confidence level (95% confidence level corresponds to \( Z = 1.96 \)).\\- \( \sigma \) is the standard deviation of the measurements (given as \( 0.001 \) g).\\- \( n \) is the sample size.[/tex]

Given that the margin of error [tex](\( \text{MOE} \)) is \( 0.0001 \)[/tex], we can rearrange the formula to solve for \( n \):

[tex]\[n = \left(\frac{Z \times \sigma}{\text{MOE}}\right)^2\][/tex]

Substituting the given values:

[tex]\[n = \left(\frac{1.96 \times 0.001}{0.0001}\right)^2\]\[n = \left(\frac{0.00196}{0.0001}\right)^2\]\[n = \left(19.6\right)^2\]\[n = 384.16\][/tex]

Since [tex]\( n \)[/tex] must be a whole number (you can't have a fraction of a measurement), we round up to the nearest whole number. So, [tex]\( n = 385 \).[/tex]

Therefore, you would need to take at least 385 measurements to ensure that the margin of error for the 95% confidence interval of the mean [tex]\( \mu \) is \( \pm 0.0001 \) g.[/tex]

2.6x10^-6 write the folliwing number in standard form (decimal)

Answers

the answer in standard form is 0.0000026

Final answer:

To express 2.6x10^-6 in standard decimal form, the decimal point is moved 6 places to the left, giving us 0.0000026.

Explanation:

To write 2.6x10^-6 in standard decimal form, start by understanding the exponent. The notation 10^-6 means that we are moving the decimal point 6 places to the left because it is a negative exponent. Therefore, we start with 2.6 and move the decimal point to the left 6 places, which means we have to add zeros to fill in the gaps.

The final expression in standard form will be 0.0000026.

what is the unit rate of y=-2x

Answers

The answer to this is x  =  - y / 2

You have just received an inheritance of $28,000 and would like to invest it into an account. The bank offers two investment plans, one for 4 years at 5.8% compounded annually and another for 3 years at 7.083% compounded annually. You want to make equal annual withdrawals from the account over the life time of the loan. Which investment will yield the highest return over the duration of the loan, given that the account will be zeroed out by the end of that period?
a.
3 year account; $32,056.89
c.
3 year account; $24,130.77
b.
4 year account; $42,742.52
d.
4 year account; $32,174.36

Answers

First we need to calculate annual withdrawal of each investment
The formula of the present value of an annuity ordinary is
Pv=pmt [(1-(1+r)^(-n))÷(r)]
Pv present value 28000
PMT annual withdrawal. ?
R interest rate
N time in years
Solve the formula for PMT
PMT=pv÷[(1-(1+r)^(-n))÷(r)]

Now solve for the first investment
PMT=28,000÷((1−(1+0.058)^(−4))
÷(0.058))=8,043.59
The return of this investment is
8,043.59×4years=32,174.36

Solve for the second investment
PMT=28,000÷((1−(1+0.07083)^(
−3))÷(0.07083))=10,685.63
The return of this investment is
10,685.63×3years=32,056.89

So from the return of the first investment and the second investment as you can see the first offer is the yield the highest return with the amount of 32,174.36

Answer d

Hope it helps!

Answer:

D

Step-by-step explanation:

edge

A survey asked a group of students to choose their favorite type of sport from the choices of soccer, softball, basketball, and others. The results of the survey are shown in the graph. Based on the graph, how many more students in a class of 126 students would be expected to choose soccer than softball?

Answers

You need to put the graph up so if any on can help you
24
Because each mark is 6 so soccer 4 more mark than softball.
I got 6 by divided 126 by 21.

There are currently 21 frogs in a (large) pond. The frog population grows exponentially, tripling every 7 days. How long will it take (in days) for there to be 150 frogs in the pond?

Answers

Let x =  number of days

The initial number of frogs  = 21.
The number of frogs triples every 7 days.
The exponential function that models the number of frogs with respect to the number of days is
[tex]y = 21(3^{x/7} )[/tex]

When the population is 150, then
[tex]21(3^{x/7}) = 150 \\\\ 3^{x/7} = 150/21 \\\\ \frac{x}{7} ln(3) = ln(150/7) \\\\ x = 7( \frac{ln(150/21)}{ln(3)} ) = 12.527 [/tex]
A graph of y versus confirms the answer.

Answer:  12.5 days

Final answer:

It will take approximately 50 days for the frog population to reach 150 frogs.

Explanation:

To find out how long it will take for the frog population to reach 150, we need to determine how many times the population needs to triple to reach that number. We start with 21 frogs and want to reach 150, so we need to triple the population 150 divided by 21, which is approximately 7.14, times. Since the population triples every 7 days, it will take approximately 7.14 times 7, or 50 days, for the population to reach 150 frogs.

Ratio of forks to knives in Mabel's kitchen is 4:5. There are 16 forks in a drawer how many knives are they

Answers

there are 20 knives in the drawer your welcome :)

The first advertisement discussed in class states that the salespeople make an average of $1,000 per week. Suppose there are nine salespeople. What would the ninth person need to earn for the mean to be $1,000 if the other eight salespeople earned $550, $600, $600, $800, $950, $950, $1,000, and $1,100?

Answers

all numbers added equal 6550
(6550+x)/9=1000
6550+x=9000
x=2450

what is 5x5x5x5 plz tell me

Answers

5 times 5 times 5 times 5 is 20

So just count by 5

Hope this help

Answer:

5∧5

Step-by-step explanation:

WILL MARK BRAINLIEST FOR THE BEST ANSWER!!!!!!!!!!!!

Find all complex solutions (real and non-real)
x^4+2x³+22x²+50x-75=0

Answers

Hi again!

I just want to answer all your questions :) They are so difficult.

We need to solve the rational equation by combining expressions and isolating the variable x.

So, the answer is

x = 5i, -5i, 1, -3

I really hope this helps!

you want to buy a CD that cost $18.50. The sales-tax rate in your states is 4.5 percent. How much sales tax will you pay for this CD?

Answers

4.5% = 0.045

 multiply 18.50 by 0.045 foe the amount of sales tax

18.50 * 0.045 = 0.83

 they pay 0.83, which is 83 cents in sales tax


Which expression is equivalent?
11 − 9(−2x − 3)

A) 18x + 38
B) −4x + 6
C) 18x − 38
D) −4x − 6

Answers

Ok the first step is to distribute the 9.
11-9(-2x-3)
^ ^ ^
11-(-18x-27)

Now we distribute the negative too
11-(-18x-27)
^ ^ ^
11+18x+27

Now we simplify the equation
18x+38

This leaves the answer to be A.
Final answer:

The expression equivalent to 11 - 9(-2x - 3) is 18x + 38 after applying the distributive property and rules for multiplying numbers with different signs. This corresponds to option A.

Explanation:

To find which expression is equivalent to 11 − 9(−2x − 3), we need to apply the distributive property and the rules for multiplying numbers with different signs. The distributive property tells us to multiply the number outside the parentheses by each term inside the parentheses. So, let’s apply this to the expression:

First, distribute the -9 to both -2x and -3: -9(−2x) + -9(−3).According to the multiplication rules for signs, multiplying two negative numbers results in a positive number. So, -9(−2x) becomes +18x, and -9(−3) becomes +27.Now the expression looks like this: 11 + 18x + 27.Add the constant terms 11 and 27 to get 38. The expression is now 18x + 38.

Therefore, the expression equivalent to 11 − 9(−2x − 3) is 18x + 38, which corresponds to option A.

Find the value of the y-intercept of the line whose equation is 5x + 6y = 24

Answers

The y-intercept is 4.-------
5x+6y=24, isolate y
6y=24-5x, simplify
y=4-5/6x

y intercept is 4 :)

Is 250% of 44 less than 100, greater than 100 but less than 150, or greater than 150? Explain reasoning

Answers

It would be greater than 100 and 150. 250% of 44 is negative because 100% of 44 is 0.

50% of 44 is greater than 100 but less than 150 because the value of 250% of 44 is 110 after applying the concept of the percentage.

What is the percentage?

It's the ratio of two integers stated as a fraction of a hundred parts. It is a metric for comparing two sets of data, and it is expressed as a percentage using the percent symbol.

It is given that:

250% of 44

Let x be the 250% of 44:

The value of x can be found as follows:

x = (250/100)44

x = 2.5(44)

x = 110

110 > 100

110 < 150

Or

100 < 110 < 150

Thus, 50% of 44 is greater than 100 but less than 150 because the value of 250% of 44 is 110 after applying the concept of the percentage.

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A movie theater charges \$10.50$10.50dollar sign, 10, point, 50 per ticket and \$5$5dollar sign, 5 per bucket of popcorn. You never buy the popcorn because you think it's too expensive. Is the total price you pay proportional to the number of tickets you buy? Choose 1 answer:

Answers

As per linear equation, total price is directly proportional to the number of tickets I buy.

What is a linear equation?

A linear equation is an equation that has the highest power of the variable as 1.

Given, a movie theater charges $10.50 per ticket and $5 per bucket of popcorn.

I never buy the popcorn because I think it's too expensive.

Let, I buy 'n' number of tickets.

Therefore, the total price for the tickets is

[tex]P = 10.50n[/tex]

⇒ P∝ n

Therefore, total price is directly proportional to the number of tickets I buy.

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10z when z = 0.8

answers

Answers

All you need to do is plug in 0.8 for z.
10 * 0.8
A cool trick when multiplying by ten is you can move the decimal point over 1 to the right. So, 0.8 would become 08.0, aka 8.
So, your answer to 10z would be 8. 
Hope this helps. :D

If the given function is F(x) = 10z. When z = 0.8, the value of the function is 8.

What is a function?

It is defined as a special type of relationship, and they have a predefined domain and range according to the function every value in the domain is related to exactly one value in the range.

It is given that, the given function is F(x) = 10z.

In the given function z is the independent variable while the value of the function is a dependent variable because its value depends upon the value of z.

The variable is reliant on other measurable factors. As a result of manipulating the independent variable(s) in an experiment, these variables are anticipated to change.

The value of the function is obtained by putting the value of z in the given function,

F(x) = 10z

F(x) = 10×0.8

F(x) = 8

Thus, if the given function is F(x) = 10z. When z = 0.8, the value of the function is 8.

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In a coin flip experiment, david decides to flip a coin 50 times. he wants to record the number of times "tails" comes up. using the language of probability, in this experiment, each coin flip is a ________, the way the coin lands is the ________. when the coin comes up "tails", this is considered a ________.

Answers

IM SORRY I CANT HELP YOU ONE THIS ONE SORRY I HOPE THIS HELPS :)

√7, 2, √8/2
order the number from least to greatest

Answers

To get a feel for where those two radicals fall on the number line, take a look at the perfect square roots they fall between. Both sqrt(7) and sqrt(8) fall between the perfect square roots sqrt(4) and sqrt(9); since sqrt(4) = 2 and sqrt(9) = 3, we know that sqrt(7) and sqrt(8) are somewhere in between 2 and 3. This means we know that sqrt(7) > 2. What about sqrt(8)/2 though? Well, sqrt(4)/2 = 2/2 = 1, and sqrt(9)/2 = 3/2 = 1 1/2, so sqrt(8)/2 has to be between 1 and 1 1/2, both of which are less than 2. Putting those all in order:

sqrt(8)/2, 2, sqrt(7)
Final answer:

To order the numbers √7, 2, √8/2 from least to greatest, simplify √8/2 to √2. Then compare √2, 2, and √7 to find the order.

Explanation:

To order the numbers √7, 2, √8/2 from least to greatest, first simplify √8/2. We know that √8 = √(4*2) = 2√2, so √8/2 = (2√2)/2 = √2. Now we have √7, 2, and √2. Comparing these numbers, √2 < 2 < √7.

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something that relates inputs to outputs

Answers

Something that relates inputs to outputs is a function.

A function is a relation between a set of inputs and a set of permissible outputs with the property that each input is related to exactly one output.

How can you check the answer to a decimal multiplication problem

Answers

The same way you would if there was no decimal
 1.Multiply normally, ignoring the decimal points.
2.Then put the decimal point in the answer - it will have as many decimal places as the two original numbers combined.

Can someone help me with this? I got 0.000104 but it wasn’t right.

Answers

Answer:

0.0001042

Step-by-step explanation:

You need to keep all the digits (unless you're told to round your answer).

PLEASE HELP NEED TO PASS MY CLASS

Answers

Hello!

Answer is y = x + 1
Slope-intercept form is y=mx+b, in which m is the slope and b is the y-intercept.
Therefore we will first try to find the y-intercept (it's the easiest :) ).
The graph intersects the y-axis at 1.
Therefore b=1.

Next, let's find slope, or rise over run. From our y-intercept at (0,1) the graph goes up one and over one. 1/1 = 1.
Therefore m=1.

Plug the variables back in to get y=1x+1. 
Your answer is y=x+1.

Which is the completely factored form of 12x3 – 60x2 + 4x – 20?

Answers

completely factored it is (12x^2 + 4)(x-5)
= 4(3x^3 - 15x^2 + x - 5)

 product of first coefficient and -5 is -15  so  one factor could be x +/ 3) or x +/- 5)

using the factor theorem   f(5) =  375 - 375=5-5 = 0  so (x - 5) is a factor:-

so we have  4(x - 5)(3x^2 + 1)   Answer

Janet took out a loan of $50,000 from Bank of America at 8% on March 19, 2015, which is due on July 8, 2015. Using exact interest, the amount of Janet's interest cost is:

Answers

The formula for this is I = PRT
I = Interest
P = Principal (starting amount) = $50,000
R = Rate (percentage) = 8% = .08
T = Time in years = days/years = 111/365

I = 50000(.08)(111/365)
I = $1216.438 
I = $1216.44 (rounded)


Final answer:

The amount of Janet's interest cost from a loan of $50,000 at an interest rate of 8% from March 19 to July 8, 2015 is $1,160. The calculation is done using the simple interest formula, with time approximated as 0.29 years.

Explanation:

The problem asking for the simple interest incurred on a loan taken by Janet can be solved using the formula of simple interest, which is I=PRT in financial mathematics. I is interest, P is the principal amount (initial loan), R is the interest rate, and T is the time.

P (Principal)  = $50,000R (Rate of Interest) = 8% per annumT (Time) = Time interval from March 19 to July 8 that turns out to be approximately 3.5 months or about 0.29 years.

Substituting these values into the formula, we get:

I = 50000 * 0.08 * 0.29

Calculating this out will give you the total interest, $1160.

So, the amount of Janet's interest cost is $1,160.

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Find the inverse of the function. f(x) = 7x - 1

Answers

To find the inverse swap the x and y values....

f ( x) = 7x - 1 


Start by replacing f(x) by ... y 

y = 7x - 1

Now swap both x and y values....

x = 7y - 1

Solve for x...

x = 7y - 1
+1      +1

x+ 1 = 7 y

Divide both sides by 7

x/ 7 + 1/7 = y 

Now that we have our inverse you using the f(x) inverse notation..
which is ... f(x) ^-1 

So the inverse of this function is...  f(x)^-1 = x/7 + 1/7

The inverse of the function f(x) = 7x - 1 is [tex]f^{-1}(x) = \frac{x}{7} + \frac{1}{7}[/tex]

The given function is:

f(x)  =  7x  -  1

Make x the subject of the formula

[tex]f(x) = 7x - 1\\\\7x = f(x) + 1\\\\[/tex]

Divide through by 7

[tex]\frac{7x}{7}= \frac{f(x)}{7} + \frac{1}{7}\\\\x = \frac{f(x)}{7} + \frac{1}{7}[/tex]

Replace x by [tex]f^{-1}(x)[/tex] and replace f(x) by x:

[tex]f^{-1}(x) = \frac{x}{7} + \frac{1}{7}[/tex]

Therefore the inverse of the function f(x) = 7x - 1 is [tex]f^{-1}(x) = \frac{x}{7} + \frac{1}{7}[/tex]

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The difference between 4 and the product 6x is 40

Answers

This would be written as 4-6x=40, then you subtract 4 from both sides to get -6x=36 which simplifies to x=-6.

:)

Which of the following gives all of the sets that contain -1/2?
the set of all rational numbers and the set of all real numbers

the set of all natural numbers and the set of all irrational numbers

the set of all integers and the set of rational numbers

the set of all natural numbers, the set of rational numbers, and the set of all real numbers

Answers

ANSWER


The set of all rational numbers and the set of all real numbers.


EXPLANATION

The set of rational numbers contains all numbers that can be written in the form,


[tex] \frac{a}{b} [/tex]


where a and b are integers and b≠0.


The given number is

[tex] - \frac{1}{2} [/tex]


It belongs to the set of rational numbers.


The set of rational numbers is a subset of the set of real numbers.

Hence

[tex] - \frac{1}{2} [/tex]
also belongs to the set of real numbers.


The correct answer is A.

Answer:

the answer is a

Step-by-step explanation:

did it on edg 2021

What is the unit rate of y=0.75x

Answers

The unit rate is 0.75
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He was reading his newspaper as the heavy traffic of the towns main thoroughfare whizzed by him. She wondered how he could concentrate. Later, as she took the last turn onto her street, Samara saw her neighbor planting her annual vegetable garden. Every year, Mrs. Yang grew eggplant, cucumbers, and bok choy, because thats all she had room for. The garden looks good so far, Mrs. Yang, Samara called. Thank you, dear, Mrs. Yang said. You know, if I had room, I would plant enough vegetables to feed the entire neighborhood! My mother had a garden that was one square acre when I was a little girl in Korea. As Samara nodded and waved goodbye, she started thinking about what she had seen on her walk home that day. She realized that Pine Grove did not have any open public spaces where everyone could go to relax and enjoy nature. The only unused space was a vacated plot on Cedar Avenue that was completely overgrown. Suddenly, Samara had a great idea. She decided to spend her summer campaigning for a new community park. The only problem was that she had no idea where to start. That evening, she went to the library and learned about what she would need to do in order to get the idea in front of the town zoning board. It was all a little intimidating, but Wanda, the reference librarian, helped Samara break it down into manageable steps. When Samara mentioned the Cedar Avenue plot, Wandas eyes lit up. That is a perfect spot, Wanda said. Its right in the middle of town, and better yet, the town owns it. Samara spent many afternoons over the next few weeks at the library with Wanda and a few other librarians drawing up a detailed plan to present to town officials. Samara and the librarians even planned and priced out irrigation necessary for the area that was designated as a garden. When the day of the zoning board meeting arrived, Samara felt nervous, but Wanda and the other librarians were there for moral support. Samara thought she at least sounded confident as she presented her idea to the board. When she finished her presentation, she was ready to wait patiently for an answer; Wanda told her that this kind of decision might take weeks, so Samara was surprised when the board members asked her to stay while they deliberated. The president of the board explained that Samaras presentation had been the last order of business for the day, and he wanted his board to be able to agree on one thing before they left. After about 15 minutes, Samara was informed that the community park had been approved. Samara had been telling her neighbors and friends about the park from the moment she thought of it, and it seemed as though everyone wanted to be a part of making her vision a reality. As soon as her idea was approved, Samara called a meeting for anyone interested in collaborating. At the meeting, residents voted on what would be included on the land: a playset for young children and one for older children, a swing set, several park benches, and a dog run. It was also decided that there would be a cooperative organic vegetable garden and an herb garden at the north end of the park. Residents agreed that Mrs. Yang would manage the gardens. At Wandas suggestion, Samara asked a representative from a nearby horticultural society to come and advise the group on the design of the park, the best native shrubs to plant, and where to put them. Samara also asked local businesses to sponsor the park by the square foot so that the community would be able to afford equipment and plants. Surprised by the response, Samara went to the bank to open an account where the surplus would be saved for next spring. In a few weeks time, the space had been cleared and residents were beginning to roll out sod and plant small vegetable plants and summer flowers. By midsummer, the community was able to enjoy the new, peaceful space. Samara was happy to have been part of creating not only a beautiful space, but a common area where residents could come together.Which plot part does the decision of the town zoning board play in the narrative arc of the story?climaxresolutioncomplicating incidentconflict how do you know if a reaction is exothermic? There has been a rise in prejudice as a result of the recent economic recession. what source of prejudice can this be explained by?a. competition for limited resourcesb. operant conditioningc. stereotypesd. displaced aggression Steam Workshop Downloader