3 years ago

2

Mathematics

1 answer:

Kamila [148]3 years ago

3 0

The first one is y=16

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How many whole numbers between 99 and 999 contain the digit '1'?

Sedbober [7]

Answer:

162

Step-by-step explanation:

The number with "1" digit starts with 101 then 110 and so on.

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2 years ago

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Which angle is complementary to ∠4 ?<br> a. ∠ 3<br> b. ∠ 2<br> c. ∠ 1<br> d. ∠ 6

GrogVix [38]

Answer:

a.Angle. 3

Step-by-step explanation:

Angle 3 is complementary to angle 4.

Because 70+20=90°

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3 years ago

Multiply. 5⋅2/3 Enter your answer as an improper fraction, in simplified form, in the box

kodGreya [7K]

The answer is 10/3, the whole number form of it is 3 1/3 :)

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3 years ago

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3(-0.4n-0.7)=-3.2n-2.58

svlad2 [7]

Answer:

$n=-0.24$

Step-by-step explanation:

$3\left(-0.4n-0.7\right)=-3.2n-2.58$

Use distributive property.

$-1.2n-2.1=-3.2n-2.58$

$-1.2n-2.1+2.1=-3.2n-2.58+2.1$

$-1.2n=-3.2n-0.48$

$-1.2n+3.2n=-3.2n-0.48+3.2n$

$2n=-0.48$

$\frac{2n}{2}=\frac{-0.48}{2}$

$n=-0.24$

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3 years ago

Change 2x-y=-4 into slope-intercept form with steps

Art [367]

Answer:

Y=2x+4

Step-by-step explanation:

2x-y=-4

subtract 2x

-y=-2x-4

divide by -1

y=2x+4

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3 years ago