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3 years ago

I have no idea what I am doing

Mathematics

2 answers:

AlekseyPX3 years ago

7 0

Answer:

QPR = 30 degrees

mixas84 [53]3 years ago

7 0

You have to find the measure of angle QPR.

Solve:

$40 = 8x + 7 + 9x + 16$

Add like terms

$40 = 17x + 23$

Solve

$40 - 23 = 17x + 23 - 23$

$17 = 17x\\\frac{17}{17} = \frac{17}{17}x\\1 = x$

Plug in x to solve for the angle measure of QPR

$9(1) + 16 =\\9 + 16 =\\25$

The angle measure of QPR is 25°

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Determine the value of w and x in the figure below. (Thanks for the help I really appreciate it!)

storchak [24]

Triangle HAM looks like an isosceles triangle, and we know that in an isosceles triangle 2 of the angles are the same.

so :
180 - 106 = 74 ( sum of the other 2 angles )
74/2 = 37 ( sum of angle HMA / HAM )

angles on a straight line add up to 180.
180-37=143 ( angle x )

since triangle YMH is also an isosceles,
180-37=143
143/2=71.5 ( angle w )

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3 years ago

A rectanglar swimming pool is three times as long as it is wide. If the perimeter of the soccer feild is 300 yards, what are the

fredd [130]

Answer:

The dimension of the rectangular pool is $112.5\times 37.5$

Step-by-step explanation:

Given : A rectangular swimming pool is three times as long as it is wide. If the perimeter of the soccer field is 300 yards.

To find : What are the dimensions?

Solution :

Let the width of the rectangular pool be 'x'.

A rectangular swimming pool is three times as long as it is wide.

The length of the pool be '3x'

The perimeter of the rectangular swimming pool is $P=2(l+w)$

The perimeter of the soccer field is 300 yards.

Substitute the value in the formula,

$300=2(3x+x)$

$300=2\times 4x$

$300=8x$

$x=\frac{300}{8}$

$x=37.5$

The width of the pool is x=37.5 unit

The length of the pool is $3x=3(37.5)=112.5$

Therefore, The dimension of the rectangular pool is $112.5\times 37.5$

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Gnesinka [82]

The answer is 17 1/4 .Hope this helped.

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3 years ago

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marin [14]

Answer:

Step-by-step explanation:

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