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3 years ago

Given: ∠1 and ∠2 are complementary angles. Prove: ∠3 and ∠4 are complementary angles.

Mathematics

1 answer:

Sergeeva-Olga [200]3 years ago

6 0

Answer:

Step-by-step explanation:

If the measures of angles 1 and 2 are congruent, then the measures of 3 and 4 should also be congruent because they are vertical angles.

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1. (-3x2 + 14x - 11) + (16x2 - 19x+3)

gavmur [86]

Answer:27x-14

Step-by-step explanation: Simplify the expression.

Hope this helps you out! ☺

3 0

3 years ago

Read 2 more answers

I'm given 1/4 of a circle, how to find the rest of it

DiKsa [7]

Let's x be the rest of it.
x=1-1/4
x=4/4-1/4
x=3/4

3 0

3 years ago

Mark uses 19 gallons of gas while traveling 399

Ket [755]

Answer:

189

Step-by-step explanation:

If mark uses 19 gallons to travel 399 miles, that means he was able to travel 21 miles per gallon.

We get this by taking 399 divided by 19.

So if mark travels on 9 gallons of gas and goes 21 miles per gallon, he will have traveled 189 miles.

We get this by taking 21 times 9

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3 years ago

What is the interquartile range (IQR) of the data set represented by this box

aleksandrvk [35]

Answer:

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7 0

3 years ago

A fish tank, in a shape of rectangular prism, measures

murzikaleks [220]

Answer:

The deep of the water would be 20 cm

Step-by-step explanation:

step 1

Find the volume of the water

The volume of the water is equal to

$V=LWH$

we have

$L=60\ cm\\W=40\ cm\\H=50/ cm$

substitute

$V=(60)(40)(50)$

$V=120,000\ cm^3$

step 2

Find the deep of the water, if the tank is returned to its horizontal position

(resting on its 60 cm × 100 cm base)

Now we have

$L=60\ cm\\W=100\ cm\\H=?\ cm$

$V=120,000\ cm^3$

substitute the given values

$120,000=(60)(100)H$

solve for H

$H=120,000/6,000$

$H=20\ cm$

therefore

The deep of the water would be 20 cm

5 0

3 years ago