3 years ago

Hi um what is the simplest form for 20 / 100

Mathematics

1 answer:

dangina [55]3 years ago

5 0

1/5 is the simplest form of 20/100.

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the difference of two number is 28 if the larger number is three time of the smaller find the number

Elza [17]

Set up an equation:

3x - x = 28

Simplify:

2x = 28

Divide both sides by 2

X = 14

3(14) = 42

The numbers are 42 and 14

5 0

3 years ago

This question is really confusing me, it talks about unknown angle problems with Algebra.

Sever21 [200]

Answer:

Step-by-step explanation:

The two given and marked angles add up to 90.

A = x

B = 3x + 10

A + B = 90 Substitute for A and B. A and B are just letters I gave things.

x + 3x + 10 = 90 Combine the left

4x + 10 = 90 Subtract 10 from both sides.

4x +10-10 = 90-10 Combine

4x = 80 Divide by 4

4x/4=80/4

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3 years ago

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Find the area of a circle with radius, r = 76cm.<br> Give your answer rounded to 3 SF.

PSYCHO15rus [73]

Answer:

17,700.00

Step-by-step explanation:

Area of a circle = 22

------ r2

=22

------ 76x76 =123,750

7 ---------- =1,768.571

1,768.571 rounded to 3 SF=17700.00

5 0

1 year ago

27^x = 9^x − 4 Question 1 options: x = 8 x = 4 x = −4 x = −8

Mariulka [41]

Answer:

x = -8

Step-by-step explanation:

Given the equation:

$27^x=9^{x-4}$

Note that

$27=3^3\\ \\9=3^2,$

then

$27^x=(3^3)^x=3^{3x}\\ \\9^{x-4}=(3^2)^{x-4}=3^{2(x-4)}$

Rewrite the equation as

$3^{3x}=3^{2(x-4)},$

then

$3x=2(x-4)\\ \\3x=2x-8\\ \\3x-2x=-8\\ \\x=-8$

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3 years ago

a school bought 831 boxes of computer paper for the computer lab. Each box has 59 sheets of paper inside it. how many sheets of

Bess [88]

<span> 831 *59=49,029

hope this helps!</span>

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3 years ago

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