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3 years ago

PLEASE HELP ASAP!!! 98 POINTS FOR ONE MULTIPLE CHOICE QUESTION!!! I DO NOT HAVE PICTURES BUT ANYONE IN FLVS PLEASE ANSWER!!!

Mathematics

2 answers:

Rufina [12.5K]3 years ago

6 0

The Answer is:

B - (4, 5)

sladkih [1.3K]3 years ago

5 0

y = −2x + 13

y = 2x − 3

Set the equations to equal and solve for x:

-2x + 13 = 2x -3

Add 2X to each side:

13 = 4x -3

Add 3 to each side:

16 = 4x

Divide both sides by 4:

x = 16/4

x = 4

Now replace x with 4 in one of the equations and solve for y:

y = -2(4) +13

y = -8 +13

y = 5

x = 4 and y = 5 , which is the ordered pair (4,5)

Both numbers are positive values, so the second graph is correct.

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A section of a rectangle is shaded. The area of the shaded section is 63 square units. What is the value of x?

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Step-by-step explanation:

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We can see from our given graph that shaded section forms a trapezoid, so we will use area of trapezoid formula to find the value of x.

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Upon substituting our given values in above formula we will get,

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Upon dividing both sides of our equation by 3.5 we will get,

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2 years ago

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2 years ago

The diagonal of a square is x units. What is the area of the square in terms of x? square units square units 2x square units squ

STatiana [176]

For this case we have that by definition, if we draw the diagonal of a square two rectangular triangles are formed. If the diagonal measures "x", then the Pythagorean theorem is fulfilled:

$l ^ 2 + l ^ 2 = x ^ 2$

Where:

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$2l ^ 2 = x ^ 2\\l ^ 2 = \frac {x ^ 2} {2}$

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So, the area is:

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Answer:

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8 0

2 years ago

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