(It is reborn) I'm totally chill 'bout this question but please help From- xXIndieKidXx

Mathematics

1 answer:

Sophie [7]2 years ago

4 0

Answer:

heyy grace remember me?

Step-by-step explanation:

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PLEASE HELP!!!!!!!!!!!!!

Anna35 [415]

$4y^2+2=(4y\cdot4y)+2\\
4y^2+2=16y^2+2 \leftarrow \text{not identity}\\\\
4y^2+2=(4y+y)+2\\
4y^2+2=5y+2 \leftarrow \text{not identity}\\\\
4y^2+2=4(y+y)+2\\
4y^2+2=8y+2 \leftarrow \text{not identity}\\\\
4y^2+2=4(y\cdot y)+2\\
4y^2+2=4y^2+2 \leftarrow \text{identity}$

So it's D.

8 0

4 years ago

Which of the following is the best approximation of the volume of a sphere with a 9 cm radius?

LenaWriter [7]

Volume = 4/3 * PI * r^3
Volume = 4/3 * 3.14159 * 9^3
Volume = 4.18879 * 729
Volume = 3,053.62 cubic centimeters

5 0

3 years ago

What is the area of a triangle that has a height of 12 feet and a base length of 6 feet? 24 feet2 36 feet2 48 feet2 72 feet2

Kaylis [27]

It is 36 feet
A=1/2bh
a=1/2*12*6
a=6*6
a=36feet squared
hope this helps!

8 0

4 years ago