2 years ago

What number will be on the Y axis in the coordinates (8, 10)

Mathematics

2 answers:

larisa [96]2 years ago

8 0

Answer:

Step-by-step explanation:

Vilka [71]2 years ago

3 0

Answer:10

Step-by-step explanation:

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Three angles of an irregular octagon are 100 degrees, 120 degrees, and 140 degrees. The remaining angles are congruent. Find the

STatiana [176]

Answer:

144°

Step-by-step explanation:

The sum of the interior angles of a polygon is

sum = 180° × (n - 2) ← n is the number of sides

Here n = 8 ( octagon ), hence

sum = 180° × 6 = 1080°

let the measure of 1 congruent angle be x

Then sum the 8 angles and equate to 1080

100 + 120 + 140 + 5x = 1080

360 + 5x = 1080 ( subtract 360 from both sides )

5x = 720 ( divide both sides by 5 )

x = 144

Thus each of the 5 congruent angles is 144°

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3 years ago

What is the value of x????

inysia [295]

If QR is a median, then:

$\dfrac{NO+MP}{2}=QR$

We have NO = 30, MP = 9x - 42 and QR = x + 15. Substitute:

$\dfrac{30+9x-42}{2}=x+15\qquad\text{multiply both sides by 2}\\\\9x-12=2x+30\qquad\text{add 12 to both sides}\\\\9x=2x+42\qquad\text{subtract 2x from both sides}\\\\7x=42\qquad\text{divide both sides by 7}\\\\\boxed{x=6}$

<h3>Answer: A. 6</h3>

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3 years ago

Celine is estimating the number of tiles in a mosaic. There are 7 different colors, and 1,1725 tiles of each color. What should

vladimir2022 [97]

There should be about 82,075 tiles.

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3 years ago

3(x-5) = 5x - (3 - x)

alina1380 [7]

Answer:

X=-4

Step-by-step explanation:

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3 years ago

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What the of x is in 3x+5=12

lora16 [44]

Answer: 2.333

Step-by-step explanation:

Subtract 5 from both sides of equation

Divide each side of equation by 3

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3 years ago

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