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3 years ago

Math question down below

Mathematics

2 answers:

Vilka [71]3 years ago

6 0

The answer is c, 30/7

olganol [36]3 years ago

4 0

The answer would be 30 over 7

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Solve the equation 169x^2+36=0

KonstantinChe [14]

The answers are 6i/13 and -6i/13. The work it attached below

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3 years ago

Find the length of AC.

saw5 [17]

Answer:

4.3

Step-by-step explanation:

6.8^2-5.3^2=x^2

AC=4.3

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2 years ago

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What is the volume in cubic centimeters of a right circular cone with radius 2 centimeters and height 9 centimeters?

andreev551 [17]

Answer:

$V = 37.7cm^3$

Step-by-step explanation:

The formula for the volume of a cone is:

$V = \frac{1}{3} \pi r^2h$

Given:

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- Height = 9cm

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$V = \frac{1}{3} \pi (2)^2(9)$

Now solve:

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<em>I hope this helps!!</em>

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2 years ago

What is 7.5% written as a fraction in simplest form

weqwewe [10]

3\4 ! you simply convert 7.5% into a fraction. (move the decimal point to the right two times. This should give you 75. Remember to put 75 over 100.
EX: 75/100
Next you must find the greatest common fact of both numbers. In this case the number is 25.
25 goes into 75 3 times. So that is your numerator or the number on top.
25 goes into 100 4 times. This will be your denominator or the number on the bottom.
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3 years ago

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stepan [7]

Answer:

Step-by-step explanation:

∠F=90°, FD = 63 feet, and DE = 71 feet.

That's a right angle triangle also.

measure of ∠E to the nearest degree

sin∠E = 63/71

sin∠E = 0.8873

∠E= sin^-1 0.8873

∠E= 62.5°

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3 years ago