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HACTEHA [7]
3 years ago
7

Need the answer asap!! thank you!!!

Mathematics
1 answer:
Masteriza [31]3 years ago
7 0

Answer: C

Positive and between 0.0 and 0.5

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Devin ran 6 over 10 miles on Thursday.He ran 1.5 miles on Saturday. How many total miles didi he run
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Can you help with #21 please. I will mark Brainliest.​
Leokris [45]

Answer:

A, C, E

Step-by-step explanation:

By analyzing the graph, we can see that the roots are -2 and -4.

We now want to find all equations of the form (x-(-2))(x-(-4))=(x+2)(x+4)=0.

This immediately gives C as 1 answer.

We can expand our equation to find other possible solutions!

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We can then divide both sides of the equation to find that -x^2-6x-8=0, so A is another answer.

We can complete the square on x^2+6x+8 to find the last possible solution.

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We can then multiply both sides of the equation by 4 to find that 4(x+3)^2-4=0, so E is the last answer.

The proof that the other answers don't work is left as an exercise.

So, the answers are A, C, and E, and we're done!

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hii Question, Why is 2+(-3) equal to -1? Because it is 3 units to the left of 2 on a horizontal number line O Because it is 3 un
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so the area = (x)(2x)
area = 2x^2
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3 years ago
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