3 years ago

What do you call this type of question?

Mathematics

1 answer:

dimaraw [331]3 years ago

3 0

$= \sqrt[5]{ \cfrac{320x^{13}y^{18}}{10x^3y^3} } = \sqrt[5]{32x^{10}y^{15}}= 2x^2y^3$

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Greatest perfect square of 150

Elodia [21]

Answer:

Step-by-step explanation:

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3 years ago

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Deon earns $91 washing 7 dogs. At this rate, how many dogs did Deon wash to earn $117?

mamaluj [8]

$91/ 7 = $13 per dog
$117/$13 = 9 dogs
He washed 9 dogs

4 0

3 years ago

Find the Circumference of a circle with a Diameter of 9 inches Group of answer choices 9 pi inches 9 pi inches^2 9 pi inches^3 1

katen-ka-za [31]

Answer: $9\pi\ in.$

Step-by-step explanation:

Given

The diameter of a circle is $d=9\ in.$

So, the radius is $r=\frac{d}{2}=4.5\ in.$

The circumference is given by $2\pi r$

Insert the values

$\Rightarrow 2\pi \cdot 4.5\\\Rightarrow 9\pi \ in.$

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3 years ago

In the morning a tank cntained 10 litres of water.At lunch time it contained 7 litres of water.What percentage of water was used

iren [92.7K]

Answer:

30%

Step-by-step explanation:

10-7=3

3/10×100

=30%

7 0

3 years ago

On the Richter scale, the magnitude, M, of an earthquake is given by M= 2/3logE/Eo, where E is the energy released by the earthq

Ivahew [28]

Answer:

See below

Step-by-step explanation:

Part A

Formula

M = 2/3 * log(E/Eo)

Givens

M = ??

E = 2 * 10^15 joules

Eo = 10^4.4

Solution

M = (2/3) * log(2 * 10^15 / 10^4.4)

M = (2/3 ) log (7.96 * 10 ^ 11)

M = (2/3) * 11.901

M = 7.934

Part B

What the question is saying is that E/Eo = 10000

You don't have to figure out exact values.

M = 2/3 * log(10000)

M = 2/3 * 4

M = 8/3 or 2 2/3 or 2.66667

If you have choices, please list them.

4 0

3 years ago