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3 years ago

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Simplify the expression.

" title="(\frac{15y^5}{3y^2} ) ^2" alt="(\frac{15y^5}{3y^2} ) ^2" align="absmiddle" class="latex-formula">

1 answer:

Olenka [21]3 years ago

7 0

Use a all called math w.a.y (remove the periods) trust me it helps with at least 75% of math problems

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What is the volume of a rock if it has a density of 1.25g/ml if it has a mass of 7525g?

Rama09 [41]

Answer:

$\boxed{\tt v= 6,020 \ mL}$

Step-by-step explanation:

The density formula is

$d=\frac{m}{v}$

Rearrange the formula for v. Multiply both sides of the formula by v, then divide both sides by d.

$d*v=\frac{m}{v}*v$

$d*v=m$

$\frac{dv}{d}=\frac{m}{d}$

$v=\frac{m}{d}$

The volume can be found by dividing the mass by the density. The mass is 7525 grams and the density is 1.25 grams per milliliter.

$m= 7525 \ g\\d=1.25 \ g/mL$

$v=\frac{m}{d}$

$v=\frac{7525\ g}{1.25\ g/mL}$

Divide. Note that the grams, or "g" will cancel each other out.

$v=\frac{7525 \ }{1.25\ mL}$

$v=6020 \ mL$

The volume of the rock is 6,020 milliliters.

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3 years ago

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Are the bases of a trapezoid perpendicular?

melomori [17]

For a shape to be perpendicular it must intersect and have right angles at 90 degrees. Trapezoids do not have this but acute and obtuse angles at their intersections. So the answer is no, the bases are not perpendicular. <span />

4 0

4 years ago

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Calculate the sample standard deviation and sample variance for the following frequency distribution of final exam scores in a s

Furkat [3]

Answer:

using

Step-by-step explanation:

$\sqrt{efx(x - x) \div fx} \\$

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3 years ago

Which is more, 8 pints or 13 cups?

RoseWind [281]

Answer:

8 pints

Step-by-step explanation:

A pint is 16 ounces = 2 cups

8 pints is then 16 cups

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2 years ago

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Suppose that the area of a square is eight times its perimeter. find the length of a side of the square.

11Alexandr11 [23.1K]

We Know, perimeter of square = 4a
Area of square = a²

Now, A.T.Q,
8*4a = a²
32a = a²
a²/a = 32
a = 32

So, side should be 32

Hope this helps!

8 0

4 years ago