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Natali [406]
2 years ago
11

What is the y-intercept of f(x) = 3x+2?

Mathematics
1 answer:
Natalka [10]2 years ago
5 0

Answer:

The y-intercept of f(x) = 3x+2 is 2

Step-by-step explanation:

To find the y-intercept, substitute 0 for x and solve for y.

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I have been stuck on number 10 (this problem) for a while now. Can anyone help me with it and walk me through every step in orde
kotykmax [81]
When you multiply a same number but with different powers, you can simply add the powers together. So, in your question, add the powers -1 and -7 together.
7^(-1) x 7^(-7) = 7^(-8)

When you divide a same number but with different powers, you subtract the power at the top with the power from the denominator. So, -8 - (-7) = -1.
7^(-8) / 7^(-7) = 7^(-1)

So your answer would be 7^(-1).
Hopefully my explanation was clear?
5 0
3 years ago
Read 2 more answers
15* Que Equations of lins - Part
Phantasy [73]

There is not a given equation nor ordered pair, so it is impossible to answer this question. I apologise.

4 0
3 years ago
You have 20 coins in your pocket that are either quarter or dimes. They total $3.95. How many quarters do you have? A.16 B.13 C.
bekas [8.4K]

Answer:

B. 13

Step-by-step explanation:

Solve this by setting up system of equations:

0.25x + 0.10y = 3.95

x + y = 20

x equals the number of quarters and y equals the number of dimes. 0.25 is the value of a quarter and 0.10 is the value of a dime.

1. Multiply one equation to have the same coefficient as the other

0.10 · (x + y = 20) = 0.10x + 0.10y = 2

2. Subtract to find the value of one variable

 0.25x + 0.10y = 3.95

<u>- 0.10x + 0.10y = 2</u>

0.15x = 1.95

3. Solve for x by dividing both sides by 0.15

x = 13

3 0
3 years ago
Jennifer has 25 coins with a total value of $4.25. The coins are quarters and nickels. How many of each does she have?
kirill115 [55]

Answer:

15 quarters, 10 nickels

Step-by-step explanation:

q+n=25

0.25q+0.05n=4.25

multiply the first equation by -0.25 and add the second equation to it

-0.25q-0.25n=-6.25\\0.25q+0.05n=4.25
________________
                -0.2n=-2

n=\frac{-2}{-0.2} =10   has 10 nickels

q=25-n=25-10=15  has 15 quarters

10(.05) +15(0.25) = 0.5 + 3.75 = 4.25

Hope this helps

8 0
9 months ago
A cone has a diameter of 22 inches and a height of 4.5 inches.
creativ13 [48]
We know, Volume of a Cone = πr² h/3
v = 3.14 * (11)² * 4.5/3
v = 3.14 * 121 * 1.5
v = 569.91 in³

In short, Your Answer would be Option C

Hope this helps!
7 0
3 years ago
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