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8_murik_8 [283]

3 years ago

12

PLZ HELP ASAP SOLID GEOMETRY WORD PROBLEMS

2 answers:

castortr0y [4]3 years ago

4 0

The percent I got was 90%

Naddika [18.5K]3 years ago

3 0

Find the rate of water flowing

dV/dt = 70cu.cm/2s = 35cu.cm/s

35 cu.cm/s * 3s = 105cu.cm after 3 seconds

Volume of cone = 117.23 cu.cm

105/117.23 = 89.57%

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Simplify the radical expression 4 square root 81x^20y^8

Dimas [21]

The simplified expression is $3x^5 y^2$

Step-by-step explanation:

The radical expression to simplify is

$\sqrt[4]{81x^{20}y^8}$

We notice the following:

$81=3^4$

And using the property

$(x^a)^b=x^{a\cdot b}$

we can write:

$x^{20}=(x^5)^4$

$y^8 = (y^2)^4$

So the argument of the radical can be written as

$\sqrt[4]{(3)^4(x^5)^4(y^2)^4} =\sqrt[4]{(3x^5y^2)^4}$

And now by using the property

$\sqrt[n]{a^n}=a$

We find:

$\sqrt[4]{(3x^5y^2)^4}=3x^5 y^2$

Learn more about simplification of expressions:

brainly.com/question/7014769

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brainly.com/question/11334714

#LearnwithBrainly

4 0

3 years ago

Read 2 more answers

Which of the following is a point slope equation of a line that passed through the points (10,5) and (4-7)

levacccp [35]

Answer:

<h2>y - 5 = 2(x - 10)</h2>

Step-by-step explanation:

The point-slope form of an equation of a line:

$y-y_1=m(x-x_1)$

m - slope

(x₁, y₁) - point

The formula of a slope:

$m=\dfrac{y_2-y_1}{x_2-x_1}$

We have the points (10, 5) and (4, -7). Substitute:

$m=\dfrac{-7-5}{4-10}=\dfrac{-12}{-6}=2$

$y-5=2(x-10)$

5 0

4 years ago

Machine A and machine B both make car parts.

Shalnov [3]

Answer:

Machine A makes 432 on Monday. Machine 2 makes 520 parts on monday. 432+520=952

Step-by-step explanation:

3 0

3 years ago

Choose the best description for the real number 35

RideAnS [48]

What descriptions are we supposed to choose from?

4 0

3 years ago

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Use the quadratic formula to find both solutions to the quadratic equation given below 4x^2+3x-1=0

Aneli [31]

4x² + 3x - 1 = 0
a=4 b=3 c=-1

Quadratic formula:
x = $\frac{-b +/- \sqrt{b^{2} -4ac} }{2a} = \frac{-3 +/- \sqrt{3^{2} - 4(4)(-1)}}{2(4)}$
= $\frac{-3 +/- \sqrt{9 + 16}}{8} = \frac{-3 +/- \sqrt{25}}{8} = \frac{-3 +/- 5}{8}$
= $\frac{-3 + 5}{8}$ , $\frac{-3 - 5}{8}$
= $\frac{2}{8}$ , $\frac{-8}{8}$
= $\frac{1}{4}$ , -1

7 0

3 years ago

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