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Tema [17]
3 years ago
14

I still don’t understand can someone give a helping hand?

Mathematics
1 answer:
Fofino [41]3 years ago
6 0

Answer:

A

Step-by-step explanation:

A, B, C, and D, are all functions. the " { " is saying that those functions can are different at different points. For A the function is A= -x-2 when x< 2 and then A=x+4 when x\geq -2. At the point x=-2 you can see that the function on the graph is going in two different directions but it stops at x=-2.

Based on the graph you can see that the line on the left has a slope of -1 and if it kept going it would cross the y-axis at y=-2, therefore the equation for the first line is y =-x-2 when x

The second line on the right side has a slope of 1 and crosses the y-axis at y=4 so the equation for that line is y=x+4 when x\geq -2.

The only answer that matches these requirements is A

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What percent of 40 is 80?
antiseptic1488 [7]

Answer:

200% i think

Step-by-step explanation:

4 0
3 years ago
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Write a SIMPLIFIED inequality for x that would give a rectangle with a length of 4 meters and a width of x+7 meters an area of m
Rashid [163]

Answer:

128 > 4*(x + 7)

Step-by-step explanation:

Given the following data;

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Area of rectangle = length * width

Substituting into the formula, we have;

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Dividing both sides by 4, we have;

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3 years ago
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liubo4ka [24]

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46

Step-by-step explanation:

89

5 0
4 years ago
Brice needs 2 feet of ribbon to tie a bow around a birthday present. He has has 3 feet of ribbon. Is that enough?
maks197457 [2]
Hello,

Here is your answer:

The proper answer to this question is "Yes"!

Here's why:

Brice needs TWO FEET for the present:

He has THREE FEET of ribbon:

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Which means Brice should have one feet of ribbon left over!

Your answer is Yes!

If you need anymore help feel free to ask me!

Hope this helps!

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What is the square root of 36x to the fourth power?
-BARSIC- [3]
\sqrt{36x^4}=\sqrt{36}\cdot\sqrt{x^4}=\sqrt{6^2}\cdot\sqrt{(x^2)^2}=6\cdot x^2=\boxed{6x^2}
8 0
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