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2 years ago

Karin’s teacher asked her to find 20% of 10. what is 20% of 10?

Mathematics

2 answers:

zysi [14]2 years ago

8 0

Answer:

Step-by-step explanation:

andreyandreev [35.5K]2 years ago

5 0

Answer:

Step-by-step explanation:

20% = .20

.20 x 10 = 2

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In a class, 60% of the students are girls. There are 18 girls in the class.

Katarina [22]

Answer:

a. Total of 45 students.

b. 18 Boys.

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3 years ago

Read 2 more answers

Help me please!!!!!!!!!!

BlackZzzverrR [31]

Answer:

Option (4)

Step-by-step explanation:

In the picture attached,

m∠NLM = m∠LKN = 90°

In two similar triangles ΔLKN and ΔMKL,

By the property of similar triangles,

"Ratio of the corresponding sides of the similar triangles are proportional".

$\frac{\text{LK}}{\text{KN}}=\frac{\text{KM}}{\text{LK}}$

By substituting the values given,

$\frac{h}{3}=\frac{2}{h}$

$\frac{2}{h}=\frac{h}{3}$

Therefore, Option (4) will be the answer.

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3 years ago

In triangle XYZ, shown below, angle X measures 53.8°, and angle Y measures 63.1°. Note: triangle is not drawn to scale If triang

yaroslaw [1]

A. 63.1°

<u>Step-by-step explanation:</u>

Whatever it may be reflection, rotation or translation, the angle or size of the triangle will not change.

As we know that the sum of angles in a triangle is 180°.

In ΔX'Y'Z', ∠X' + ∠Y' + ∠Z' = 180°

53.8° + 63.1° + ∠Z' = 180°

116.9° + ∠Z' = 180°

∠Z'= 180° - 116.9°

= 63.1°

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3 years ago

How many liters each of a 10% acid solution and a 80% acid solution must be used to produce 70 liters of a 65% acid solution?

stealth61 [152]

Assume you need x liters 10% acid, y liters 80% acid

Then 10%x + 80%y = 65%*70, and x+y = 70

I get: x = 15, y = 55

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3 years ago

*PLEASE HELP PREALGEBRA !!*

Natalka [10]

Answer:

I would see if you could divide it by the number of books and then add the tax.

Step-by-step explanation:

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3 years ago