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Alborosie
3 years ago
12

12 + x = -3(4 – x) Solve the problem

Mathematics
2 answers:
mojhsa [17]3 years ago
4 0

Answer:

x = 12

Step-by-step explanation:

Sauron [17]3 years ago
3 0

Answer:

x=12

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

Step 2: Subtract 3x from both sides.

Step 3: Subtract 12 from both sides.

Step 4: Divide both sides by -2.

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Which ordered pairs lie on the graph of the exponential function f(x)=−3^(x−1) +2 Select each correct answer.
katrin [286]
<h3>Answer:</h3>

(1, 1), (4, -25)

<h3>Step-by-step explanation:</h3>

You can evaluate the function to see.

f(-1) = -3^(-1-1)+2 = -3^(-2)+2 = -1/9 +2 ≠ 2

f(1) = -3^(1-1) +2 = -1 +2 = 1

f(0) = -3^(0-1) +2 = -1/3 +2 ≠ 0

f(4) = -3^(4 -1) +2 = -27 +2 = -25

_____

Or, you can graph the points and the curve.

8 0
3 years ago
What is the result of substituting for y in the bottom equation?
jeka57 [31]
The answer is the option A, which is: A. x-7=x²+2x-4
 The explanation is shown below:
To solve this problem you must apply the proccedure shown below:
 1. You have the following system equations given in the problem above:
 <span>y=x-7
 y=x²+2x-4
2. Therefore, when you substitute for y in the bottom equation, you obtain:
 </span>x-7=x²+2x-4
8 0
4 years ago
Read 2 more answers
Pre-algebra
Vladimir79 [104]
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4 0
3 years ago
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Ind the area of the rectangle, in square centimeters. Rectangle ABCD Length = 20 cm Width = 9 cm​
alexdok [17]

Answer:

180 cm^3

Step-by-step explanation:

A=lw

A=20×9

A=180

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3 years ago
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Answer:

Step-by-step explanation:

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7 0
3 years ago
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