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Nuetrik [128]
3 years ago
13

If 9 : x = x:4, then x =

Mathematics
1 answer:
miskamm [114]3 years ago
5 0

Answer:

x = ±6

Step-by-step explanation:

9 : x = x : 4

Cross multiply

36 = x²

Take the square root of both sidesw

x = ±6

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This is an Acute Isosceles Triangle. Hope this helps :)
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Find the measure of each angle :Supplementary angles with measures (2x+4) and (3x+1)
denpristay [2]
First of all, we need to know what is supplementary angle is. It's means that two angles add together to get 180° angle. For examples, 135° and 45° angles add together called supplemtary angles.
Now, we know Supplementary angles with measures (2x+4) and (3x+1), so
(2x+4)+(3x+1)=180
2x+4+3x+1=180
Combining like terms
2x+3x+4+1=180
5x+5=180
Subtract 5 to each side
5x+5-5=180-5
5x=175
Divided 5 to each side
5x/5=175/5
x=35°
Next, find the measure of two angles by substitute x=35° with (2x+4) and (3x+1), so
2x+4
=2(35)+4
=70+4
=74°

(3x+1)
=3x+1
=3(35)+1
=105+1
=106°. As a result, the two supplementary angle are 106° and 74°. Hope it help!
4 0
3 years ago
Read 2 more answers
What is the slope of the line that passes through the points (-1, 2) and (-4, 3)?
Rus_ich [418]

Answer: -1/3

Step-by-step explanation:

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Plss help i’ll give brainliest thank you!
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Answer: D, -13<-10

Step-by-step explanation:

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Percent Means Tenth?
WITCHER [35]

Answer:

ten percent - a tenth part; one part in ten equal parts. one-tenth, tenth, tenth part. common fraction, simple fraction - the quotient of two integers. Based on WordNet 3.0, Farlex clipart collection.

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3 years ago
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