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Natali [406]
3 years ago
10

The equation 4 ( x - 2 ) = 100 is a true equation for a particular value of x. Explain why 2 ( x - 2 ) = 50 is also true for the

same value of x.
Mathematics
1 answer:
KatRina [158]3 years ago
3 0

Answer:

a) 4(x - 2) = 100

4x - 8 = 100

4x = 92

x = 23

b) 2(x - 2) = 50

2x - 4 = 50

2x = 46

x = 23

Step-by-step explanation:

When solving for x in both equations, we get the same value of x which makes that statement true.

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Equations and functions
Brilliant_brown [7]

Answer:

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6 0
3 years ago
Read 2 more answers
Martin burns 360 calories running for 30 minutes. Paul burns 165 calories for every 15 minute he runs. If Kara runs for 20 minut
Yanka [14]

Answer:  She would have to burn between 220 and 240 calories per minute to have a calorie burn rate between those of Martin and Paul.

Step-by-step explanation:

Martin:

360 calories / 30 min = 12 calories/min

Paul:

165 calories / 15 min = 11 calories/min

Kara:

Needs to burn between 11 and 12 calories/min, so we'll calculate the range:

11 calories/min x 20 min = 220 calories (minimum # calories she can burn)

12 calories/min x 20 min = 240 calories (maximum # calories she can burn)

7 0
3 years ago
Multiply the polynomial 2x(x−3) <br><br> A)2x^2-6x<br> B)2x-6<br> C)x^2-6
dlinn [17]
Multiply 2x by each term in the parentheses:

2x(x - 3)
2x^2 - 6x

Answer:
2x^2 - 6x
6 0
3 years ago
ANSWER NOW PLEASE.Solve this system of equations with substitution<br><br> x = y - 4<br><br> 2y = x
Arada [10]
In points form the answer is (-8,-4) and in equation form the answer is x=-8, y=-4
If this answered help you then please consider marking it as brainliest to help me level up to expert
4 0
3 years ago
Read 2 more answers
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fiasKO [112]

Answer:

Option A

Option B

Option E

Option G

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Option B and G go together.

4 0
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