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2 years ago

Find the reciprocals of the numbers below.

Mathematics

2 answers:

bagirrra123 [75]2 years ago

4 0

The reciprocal of a number x is 1/x

The reciprocal of 5 is 1/5

The reciprocal of 6/11 is 1/6/11 = 11/6

kondor19780726 [428]2 years ago

4 0

The reciprocal of 5 would be -5
Though the reciprocal of 6/11 would be -11/6
You do the opposite of the fraction of number and flip it.

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3 years ago

What is the squair root of 9/49

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Answer:

3/7

Step-by-step explanation:

To find the square root of a fraction, find the square root of the numerator and denominator individually

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2 years ago

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One angle of a triangle has a measure of 66. The measure of the third angle is 57 more than half the measure of the second angle

Daniel [21]

So let's say that the second angle is x.

Then we can say that the third angle is $\frac{1}{2}x+57$ .

So then we have three angles:

1) 66°

2) x°

3) ( $\frac{1}{2}x+57$ )°

So then we can add these together and solve for x by setting it equal to the total degrees left in the triangle after subtracting the known angle:

$x+\frac{1}{2}x+57=114$

$\frac{3}{2}x+57=114$

$\frac{3}{2}x=57$

$\frac{2}{3}*\frac{3}{2}x=57*\frac{2}{3}$

$x=\frac{114}{3} =38$

So now we know that the measure of the second angle is 38°. So then we can use this value to solve for the third angle:

$\frac{1}{2}(38) +57=76$

So the values of the angles are:

1) 66°

2) 38°

3) 76°

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2 years ago

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Nataly [62]

To find the radius of the cylinder you will use the volume formula and solve for the radius.

V = pi x r^2 x h
83 = 3.14 x r^2 x 10
83 = 31.4 x r^2; divide both sides by 31.4
r^2 = 2.6; find the square root of 2.6
r = 1.6 in.

The radius is approximately 1.6 in.

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2 years ago