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PIT_PIT [208]
3 years ago
8

Are the expressions –0. 5(3x + 5) and –1. 5x + 2. 5 equivalent? explain why or why not.

SAT
1 answer:
Reil [10]3 years ago
5 0

Answer:

No

Explanation:

-0.5(3x+5)

Use distributive property.

-1.5x+(-2.5)= -1.5x-2.5

-1.5x-2.5 is different from -1.5x+2.5

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Explanation:

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When deciding how to deal with negative feelings, why should you evaluate the causes of your issue? a. You might be able to avoi
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My answer to this question: You might be able to cope up with future issues more easily.
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3 years ago
Fill in the terms that best complete the statement. Causes movement of an object, whereas is the work done on an object in a giv
Elanso [62]

Force Causes movement of an object, whereas Power is the work done on an object in a given amount of time.

<h3>What is Force?</h3>

In science, force is defined as the push or pull on an object that has mass which causes it to move  (to accelerate).

The SI unit of force is newton, N. and its given as

Force(F)= mass × acceleration

Example of forces include

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<h3>What is Power?</h3>

Power is the rate at which work is  being  done on an object. It is also the rate at which energy is transferred from one place to another.

Power is the amount of work completed or energy released per unit time.

The SI unit for power is the watt (W), and is given as

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P = W / t

Read more on Force and Power here:brainly.com/question/3569257

6 0
2 years ago
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Using the equation for the line of best fit, what is a good approximation for x when f(x) = 30? 14 20 45 54
mario62 [17]

Based on the calculations, a good approximation for x when f(x) = 30 is equal to: B. 20.

<h3>How to write the equation?</h3>

Based on complete information, the equation for the line of best fit for the set of values in the table is given by this function below:

f(x) ≈ 1.8x - 5.4

Thus, a good approximation for x when f(x) = 30 would be determine by substituting the value of f(x) with 30 as follows:

30 = 1.8x - 5.4

30 + 5.4 = 1.8x

35.4 = 1.8x

x = 35.4/1.8

x = 20.

Read more on line of best fit here: brainly.com/question/4674926

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<u>Complete Question:</u>

The equation for the line of best fit is f(x) ≈ 1.8x − 5.4 for the set of values in the table. Using the equation for the line of best fit, what is a good approximation for x when f(x) = 30?

A. 14

B. 20

C. 45

D. 54

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2 years ago
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