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katrin [286]
3 years ago
15

Which expression is equivalent to (10 + 7 r - r 2) + (-6 r 2 - 18 + 5 r )

Mathematics
1 answer:
rjkz [21]3 years ago
6 0

Answer

-7r2+12r-8

Step-by-step explanation:

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K = mv / 2 solve for m . HELP PLEASE HURRY!
Aleksandr-060686 [28]

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Answer:

  m = 2k/v

Step-by-step explanation:

Identify the coefficient of m (v/2) and multiply by its inverse (2/v).

  (2/v)k = (2/v)m(v/2) . . . . multiply both sides of the equation by 2/v

  2k/v = m . . . simplify

  m = 2k/v

3 0
3 years ago
Which one is bigger 30% or 4 /15<br>???
Nikolay [14]
I believe 30% is bigger than \frac{4}{15}.

To find the answer, you'd have to convert both the fraction and the percent into decimal form to see which one is truly bigger. Converting the percent is fairly easy. 30% would become 0.30 is decimal form. To find the fraction in decimal form, you'd have to divide the numerator by the denominator, which would be 4 ÷ 15, which makes : 2.6666666666666666666666667. 

Now you compare easily. Which one is bigger? 2.666666666666666666666667 or 0.30? 

0.30 is bigger. So 30% is bigger out of both of them.
5 0
3 years ago
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polet [3.4K]

Answer:

4 pepperoni pizzas

Step-by-step explanation:

8 0
3 years ago
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Find the height of the flagpole and feet is it cast a 18 ft Shadow and the 5-foot 11-inch Man cast a 3-foot shadow. Round your a
omeli [17]

Answer:

  36 ft

Step-by-step explanation:

The pole's shadow is 6 times the length of the man's shadow, so the pole is 6 times as high as the man.

  6 × 5'11" = 30'66" = 35'6" ≈ 36 ft

5 0
3 years ago
Describe how the graph of y=x^2 can be transformed to the graph of the given equation y=x^2+13. A) shift the graph of y=x^2 righ
stiks02 [169]

Answer:

D

Step-by-step explanation:

when a number is added at the end it results in a vertical transformation

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