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3 years ago

What is the volume of a sphere with a radius of 6.6 cm, rounded to the nearest tenth of a cubic centimeter?

Mathematics

1 answer:

Dvinal [7]3 years ago

6 0

Answer:

Volume=1204.26cm3

Step-by-step explanation:

6.6

≈

1204.26043cm³

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Help ;( Solve for x and y

andriy [413]

Step-by-step explanation:

this is the answer of the required questions

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3 years ago

Which of the following represents the most accurate estimation of 664 - 127?

Arlecino [84]

The correct answer is 537

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3 years ago

X^2 - y^2 = 100

luda_lava [24]

Answer:

Step-by-step explanation:

Let's start by rewriting the second equation in terms of "x":

$x+y=5$

Subtract y from both sides:

$x=5-y$

Now, substitute "5-y" for "x" in the first equation:

$(5-y)^2-y^2=100$

Note that:

$(a-b)^2=a^2-2ab+b^2$

$25-10y+y^2-y^2=100$

Cancel out like terms:

$25-10y=100$

Subtract 25 from both sides:

$-10y=75$

Divide both sides by -10

$y=\frac{75}{-10}=\frac{15}{-2}=-\frac{15}{2}$

Now, substitute this value back into either of the equations to solve for x.

$x+y=5\\x-\frac{15}{2}=5\\$

Add 15/2 to both sides:

$x=5+\frac{15}{2}\\x=\frac{10}{2}+\frac{15}{2}\\x=\frac{25}{2}$

Now, find the difference:

$x-y=\frac{25}{2}-(-\frac{15}{2})=\frac{25}{2}+\frac{15}{2}=\frac{40}{2}=20$

8 0

3 years ago

What is x - 3(1-x) = 47 - x

lozanna [386]

Solve for x by simplifying both sides of the equation, then isolating the variable.

x = 10

7 0

4 years ago

Which number is greater than the absolute value of -3/8? -5/8 -1/8 1/4 0.5

erica [24]

-3/8 = -0.375

-5/8 = -0.625
-1/8 = -0.125
1/4 = 0.25
0.5 = 0.5

Therefore 1/4 & 0.5 & -1/8 > -3/8

5 0

3 years ago

Read 2 more answers