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Mathematics

1 answer:

babunello [35]2 years ago

3 0

Answer:

lol

Step-by-step explanation:

I think you're going to be..........

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50 points create a equation with 1 variable!

prisoha [69]

X-2=27

is this a good equations

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Simplify 3+7x-(2+9x)

viva [34]

Answer:

-2x + 1

Step-by-step explanation:

3 + 7x - (2 + 9x)

Distribute the negative:

3 + 7x - 2 - 9x

Combine like terms:

-2x + 1

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Simplify 0.75 (5v+11)-0.25 (11+v)

wariber [46]

<span>2 • (7v + 11) over 4 is your answer :)</span>

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3 years ago

At a particular music store, CDs are on sale at $14.00 for the first one purchased and $12.00 for each additional disc purchased

devlian [24]

8 cd this is the answer

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Find the area. The figure is not drawn to scale

poizon [28]

Answer:

96 square inches.

Step-by-step explanation:

From given picture we see that

BC=8 in

AD=10 in

Given that

AD=AB

Then AB=10 in

Apply Pythagorean theorem in triangle ABC to find AC

$(hypotenuse)^2=(base)^2+(perpendicular)^2$

$(AB)^2=(BC)^2+(AC)^2$

$(10)^2=(8)^2+(AC)^2$

$100=64+(AC)^2$

$100-64=(AC)^2$

$36=(AC)^2$

take square root

$6=AC$

Then area of triangle ABC $=\frac{1}{2}\left(base\right)\left(altitude\right)$

$=\frac{1}{2}\left(8\right)\left(6\right)=24$

There are total 4 congruent triangles.

Then total area of the given figure = 4(24)=96 square inches.

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2 years ago