3 years ago

Help me with this please

1 answer:

4 0

Celia's horse runs 36 feet per second.

36*3=108.

Celia's horse runs 108 feet in 3 seconds.

They ask you to estimate 3*40 which equals 120.

Since 120 is close to 108, the answer is reasonable.

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Manchester Community College

frozen [14]

Answer:

1/3

Step-by-step explanation: im a young fellow im not sure

7 0

4 years ago

Expand 5(2x-1) please I need it for homework.

7nadin3 [17]

10x-5

Answer:

5(2x-1)

5*2x 5*-1

10x-5

7 0

3 years ago

Is -2 a solution to 4x^(3)-x^(2)+16x-4

sergiy2304 [10]

Answer:

Not a solution

Step-by-step explanation:

In order for $x=-2$ to be a solution, the result after substituting must be 0:

$4(-2)^3-(-2)^2+16(-2)-4\stackrel{?}{=}0$

$4(-8)-4-32-4\stackrel{?}{=}0$

$-32-40\stackrel{?}{=}0$

$-72\neq0$

Therefore, $x=-2$ is not a solution to $4x^3-x^2+16x-4$

3 0

3 years ago

#7 There are 24.5 ounces of uncooked rice in a bulk container. A customer is removing rice from the container at a rate of 3.25

mafiozo [28]

Answer:

(A) 11.5 ounces

Step-by-step explanation:

Multiply 3.25 by 4

3.25 x 4 = 13

Subtract 13 from 24.5

24.5 - 13 = 11.5

= 11.5 ounces

6 0

3 years ago

The sum of twice y and 9 is 21

harina [27]

Answer:

so y equals 6 if thats your question. What you said wus a statement not a question.

Step-by-step explanation:

21-9=12

12/2=6

answer=6

y is 6

7 0

3 years ago

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