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Darina [25.2K]
3 years ago
14

A model rocket is launched from the ground.

Mathematics
1 answer:
Alina [70]3 years ago
5 0
A)
rate of change from A to B = 48-0 / 1-0 = 48/1 = 48 ( feet per second)

rate of change from B to C = 64 -48 / 2-1 = 16 /1 = 16 ( feet per second)

B)  the rate from A to B is greater. This tells me gravity starting acting on the rocket and started slowing it down 


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Which of the following has zeros that are not significant?
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Answer:

1.30 N

Step-by-step explanation:

All zero's preceding the first integers are never significant. For example: 0.0078 has two significant figures. All zero's after the decimal point are always significant. For example: 4.500, 45.00 and 450.0 all have four significant figures

4 0
3 years ago
If (3x2 + 22x + 7) ÷(x + 7) = 3x + 1, then (x + 7)( ) = . The check of the polynomial division problem shows that the product of
azamat

Answer:

(x + 7) * (3x + 1) = (3x^2 + 22x + 7)

Step-by-step explanation:

Given

(3x^2 + 22x + 7) \div (x + 7) = 3x + 1

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Required

Complete the blanks

We have:

(3x^2 + 22x + 7) \div (x + 7) = 3x + 1

Rewrite as:

\frac{(3x^2 + 22x + 7) }{ (x + 7)} = 3x + 1

Cross multiply

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8 0
3 years ago
Read 2 more answers
WORTH BRAINLIST!!!!!!!!!!!!!!!
dimulka [17.4K]

Answer:

<em>Hi there the correct answer is</em>

sum: 5x+1

term: 9(5x+1) and 3y

product: 9(5x+1)

factor: 9 and 5x+1

quotient: not present

coefficient: 3 and 5

hope it helps!

3 0
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a store is having a sale, an item in the store is 1/6 off the original price. if the sale price is $160, what was the original p
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Use units to visualise your workings. all the best! :)

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In some country the budget for defense exceeded the budget for education by ​$622.7 billion. If x represents the budget for​ edu
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Answer:

y = x + \$622.7\ billion

Step-by-step explanation:

To start with;

Represent the budget of education by x

Represent the budget of defense by y

From the question, we understand that:

y exceeds x by $622.7 billion

Mathematically. this can be represented as:

y = x + \$622.7\ billion

<em>Hence, the defense budget is x + $622.7 billion</em>

8 0
3 years ago
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