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Mama L [17]
3 years ago
8

Alonzo types 45 words per minute.what equation can be used to show this relationship? A.y=45+x B.y=45x c.y=45/x D. Y=45-x

Mathematics
1 answer:
Igoryamba3 years ago
7 0

Answer: B

Step-by-step explanation: since he is writing 45 words per minute, that means your releases adding. if you were to do a, you would just add the words typed with minutes. B will add 45 over and over again for however many minutes. repeated addition is the same as multiplication, so the answer is B.

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Find the surface area of a sphere with a radius of 12 cm. Approximate 3.14 and round your answer to the nearest hundredth
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The equation to find a spheres surface area is 4 pi R ^2
and this works in any order 

4 * 12 is 48 (4 * R)

48^2 is 2304 ((4 * R)^2)

the exact answer is 2304\pi

the full answer is 7234.56 (((4 * R)^2)\pi)
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3 years ago
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4 years ago
Using y=mx+b find the slope for<br> 7) 8x + 3y = −9
malfutka [58]

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-8/3

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8x + 3y = - 9

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The slope is the coefficient of x which is - 8/3

If you don't understand, please leave a comment

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7 0
3 years ago
Select the correct answer for each statement. (k+2, k+3 , k+4) or (k+10, k+12, k+14) will yield consecutive odd integers. (k+6,
almond37 [142]

Answer:

Step-by-step explanation:

one

The only really certain way of getting an odd integer is to do 2k + 1. Therefore the answer should be something like 2k+1, 2k+3, 2k + 5

The best I can do for the first one is to assume that k is odd and that the answer is k + 10, k+12, k+14, but I would ask your instructor if this is merely the best answer out of a poor lot or if the question really has no answer.

Two things should be noted.

1. k has to be odd.

2. The first choice has to give consecutive integers because what is added on is 2 3 and 4. Those numbers are consecutive.

Two

k+1, k+2, k+3. See point 2 above. k is a constant and any number. 1,2,3 are consecutive so the results are consecutive. Even if k < 0 the numbers will be consecutive.

k= - 10

k+1 = - 9

k+2 = -8

k+3 = - 7

These are consecutive.

Your first choice will give either consecutive odd or even numbers depending on what k is.

If k = even, then k+6, k+ 8, k+10 will all be even.

If k = odd then the givens will be odd.

4 0
4 years ago
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