3 years ago

What

Mathematics

1 answer:

Luba_88 [7]3 years ago

5 0

Joseph’s room would be bigger because, 7 X 8 is 56 and his brother’s room is 10 X 5 is 50
You’re welcome :))

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A=2b^3-1 what's the value of b if a is 13

skelet666 [1.2K]

$\sf~A=2b^3-1$

Plug in A = 13

$\sf~13=2b^3-1$

Add 1 to both sides:

$\sf~14=2b^3$

Divide 2 to both sides:

$\sf~7=b^3$

Find the cube root of both sides:

$\sf~b=\sqrt[3]{7}$

$\sf~b\approx~1.91$

5 0

3 years ago

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Is the equation y=2x-2 is proportional or non-proportional?

Usimov [2.4K]

Answer:

i believe their proportional

Step-by-step explanation:

cause they have a linear function

8 0

2 years ago

Need help on this to!! thanks <33

Inga [223]

4) n=12 this is because 45/4=11.25 and dividing 135 by 11.25 equals to 12

5) n=2.5 this is because 5/2=2.5 and multiplying 1 by 2.5 equals to 2.5

hope this helps :)

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3 years ago

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The circles centered at points A, C, and D have radii of length AC.

natita [175]

it is the second one

Step-by-step explanation:

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3 years ago

Evaluate sin^2 (pi/4) + cos^2(pi/4) + cos.

mart [117]

The answer of $sin^2 (pi/4) + cos^2 (pi/4)$ is √ 2