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lbvjy [14]
3 years ago
10

Cameron is using the quadratic equation (x+15)(x)=100 where x represents the width of a picture frame. Which statement about the

solutions x=5 and x=-20 is true?
Mathematics
1 answer:
Gekata [30.6K]3 years ago
7 0
The correct solution should be x = 5 for the reason that we are calculating for the width which is always a positive value. 

Mathematically, -20 is also correct for this satisfies the quadratic equation but here the most logical answer is 5.  

No statements have been posted here actually that is why I have given an interpretation of your answers. 
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sineoko [7]

Answer:

D

Step-by-step explanation:

1/25 is the same thing as 5^{-2}. So, u wantn to find whcih answer choice does not equal that. You can use the exponent multiplication rule, where x^a times x^b equals x^a+b.

for example, answer choice A would be 5^(3+-5) which is 5^-2.

the only choice that does not equal 5^-2 is D because it equals 5^2

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3 years ago
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Step-by-step explanation:

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4 years ago
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nika2105 [10]

Answer:

x = -2

Step-by-step explanation:

-9x + 1 = -x + 17

To solve this equation

Note if there is more than one variable like x, y, or z

Also note the power of the variables, for example, x^2 or y^3

In this equation, there is only one variable which is x and it's also in the power of 1 ie x

Step 1 : rearrange according to like terms

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Answer:

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Step-by-step explanation:

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Answer:


Step-by-step explanation:

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