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professor190 [17]
3 years ago
13

Speed describes a change in ____ relative to a change in ______. a speed can never be ______

Mathematics
1 answer:
kumpel [21]3 years ago
8 0
1) acceleration

2) speed

3) velocity

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Which expression is equivalent to -9x^-1y^-1 / -15x^5 y^-3 Assume x = 0 y = 0
jenyasd209 [6]
For this case we have the following expression:
   -9x ^ -1y ^ -1 / -15x ^ 5 y ^ -3
 For power properties we have:
   -9x ^ (- 1-5) y ^ (- 1 - (- 3)) / - 15
 Rewriting we have:
   9x ^ (- 6) y ^ (- 1 + 3) / 15
   3x ^ (- 6) y ^ (2) / 5
   3y ^ 2 / 5x ^ 6
 Answer:
 
  3y ^ 2 / 5x ^ 6Note: answer is not between the options. Rewrite the expression again, or the options.
8 0
3 years ago
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Antonio ate 9/10 of a pizza on Monday. On Tuesday, he ate 3/10 of a pizza. How much pizza did Antonio eat on Monday and Tuesday?
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He ate 1 1/5  (1.2) of pizza

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3 years ago
Which statement describes a unit rate? Group of answer choices Sara is reading 97 words in 1 minute. Sara ate 3 crackers and 1 a
castortr0y [4]

Answer:

97 words in 1 minute

Step-by-step explanation:

A unit measure is so many somethings done usually per unit time. Examples

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1 cookie is not. It is not per anything.

Driving 16 miles is not. Again, it is not per anything.

The answer is 97 words in 1 minute.

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2 years ago
last year the depth of the river was 4.2 feet deep. this year it dropped 24% find the depth of the river this year
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3.2

Step-by-step explanation:

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