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3 years ago

Select the correct answer. What is the decimal form of 12%?

Mathematics

2 answers:

Leni [432]3 years ago

7 0

Answer:

.12

Step-by-step explanation:

sladkih [1.3K]3 years ago

6 0

Answer:

0.12%

Step-by-step explanation:

12%/100% = 0.12%

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Solve the following system. x2 + y 2= 25 2x + y = 10 The solution set

anzhelika [568]

Answer: {(5,0), (3,4)}

Step-by-step explanation:

You can apply the Substitution method:

- Solve for y from the second equation.

- Substitute into the first equation and solve for x.

Then:

$y=10-2x$

$x^2+y^2=25\\x^2+(10-2x)^2=25\\$

(Remember that: $(a\±b)^2=a^2\±2ab+b^2$ )

$x^2+(10^2-2(10)(2x)+(2x)^2)=25\\x^2+100-40x+4x^2=25\\5x^2-40x+75=0\\x^2-8x+15=0\\(x-5)(x-3)=0\\\\x=5\\x=3$

Substitute the values obtained into one of the original equation and solve for y:

$2(5)+y=10\\10+y=10\\y=0\\\\2(3)+y=10\\6+y=10\\y=4$

The solution set is: {(5,0), (3,4)}

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3 years ago

What is −20÷45−20÷45 ? A. −25 B. −16 C− 1/16 D. − 1/25

stealth61 [152]

The answer is -25 i just took the test/quiz

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4 years ago

Which side lengths form a right triangle?

STALIN [3.7K]

Answer:

8, 15, 17 and $\sqrt{2} , \sqrt{2}, 2$

Step-by-step explanation:

$c=\sqrt{a^2+b^2}$

$33=/=\sqrt{5^2+\sqrt{8}^2 }$

$17=\sqrt{8^2+15^2}$

$2=\sqrt{\sqrt{2}^2+\sqrt{2}^2 }$

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3 years ago

5 - (x + 5) > -2(x + 4) Help please

Ilya [14]

Solving for x :
x > -8

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3 years ago

Greatest common factor of 12 and36

Annette [7]

Answer:

Step-by-step explanation:

Since 12 itself a factor of 36, there can't be a greater commonly factor

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3 years ago