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3 years ago

Need help please?????

Mathematics

1 answer:

Fantom [35]3 years ago

7 0

Its C, sorry for the kinda late answer

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My number has a tens digit that is 8 more than the ones digit. Zero is not one of my digits. Write the 2-digit number that match

pochemuha

Answer:

The number is 91

Step-by-step explanation:

Let x be the ones place digit and y be the tens place digit,

Then the number would be 10y + x,

We have,

y - x = 8

Possible values of y and x = { (8, 0), (9, 1) }

∵ 0 is not the digit of the number,

Hence, y = 9 and x = 1

Therefore, required number = 10(9) + 1 = 90 + 1 = 91

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3 years ago

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Solve the equation for the y-value and choose whether it is a direct variation or inverse variation.

muminat

Answer:

Step-by-step explanation:

the equation representing direct variation is

y = kx ← k is the constant of variation

The equation representing inverse variation is

y = $\frac{k}{x}$ ← k is the constant of variation

Given

3y = x ( divide both sides by 3 )

y = $\frac{1}{3}$ x ← equation representing direct variation

with k = $\frac{1}{3}$

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3 years ago

(u-2)(u+6)<br> Simplify your answer.

ratelena [41]

Answer:

u^2+4u-12

Step-by-step explanation:

u x u + 6u -2u - 2 x 6

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3 years ago

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Kate ran 5 miles. How far did she run in kilometers?

Genrish500 [490]

Kate ran 8.04 kilometers

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4 years ago

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in abc the measure of angle a is 2x+3, the measure of b is 4x+2, the measure of c is 2x-1. What are the measures of the angles?

Mama L [17]

The measures of the angles in a triangle add up to 180°.
$2x+3+4x+2+2x-1=180 \\
8x+4=180 \ \ \ |-4 \\
8x=176 \ \ \ |\div 8 \\
x=22 \\ \\
2x+3=2 \times 22+3=44+3=47 \\
4x+2=4 \times 22+2=88+2=90 \\
2x-1=2 \times 22-1=44-1=43$

The measures of the angles are 43°, 47° and 90°.

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3 years ago