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Sophie [7]
3 years ago
15

Can someone please answer this with steps Please do answer if you do not have steps

Mathematics
2 answers:
Vanyuwa [196]3 years ago
8 0

Answer:

answer is x=25

Step-by-step explanation:

hope it is correct

e-lub [12.9K]3 years ago
4 0

Answer:

x = 25

Step-by-step explanation:

Vertical opposite angles are equal.

(4x - 25) = 75

4x - 25 = 75

4x = 100

x = 25

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Cody wants to attend the fall festival at school
iVinArrow [24]

Answer:

Then let Cody attend the fall festival!!

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Heights​ (cm) and weights​ (kg) are measured for 100 randomly selected adult​ males, and range from heights of 133 to 193 cm and
yawa3891 [41]

Answer:

The weight of an adult male who is 172 cm tall is 89.36 kg.

Step-by-step explanation:

The regression equation representing the relationship between height and weight of a person is:

\hat y=-105+1.13x

Here

<em>y</em> = weight of a person

<em>x</em> = height of a person

The information provided is:

\bar x=167.90\ cm\\\bar y=81.47\ kg\\r (X, Y) = 0.228\\p-value=0.023\\\alpha =0.05

The hypothesis to test the significance of the correlation between height and weight is:

<em>H₀</em>: There is no relationship between the height and weight, i.e. <em>ρ</em> = 0.

<em>Hₐ</em>: There is a relationship between the height and weight, i.e. <em>ρ </em>≠ 0.

Decision rule:

If the <em>p</em>-value of the test is less than the significance level, then the null hypothesis will be rejected and vice-versa.

According to information provided:

<em>p</em>-value = 0.023 < <em>α</em> = 0.05

The null hypothesis was rejected at 5% level of significance.

Thus, concluding that there is a relationship between the height and weight.

Compute the weight of an adult male with height, <em>x</em> = 172 cm as follows:

\hat y=-105+1.13x

  =-105+(1.13\times 172)\\=-105+194.36\\=89.36

Thus, the weight of an adult male who is 172 cm tall is 89.36 kg.

5 0
3 years ago
A=bx+cx/2<br><br> please help
andreyandreev [35.5K]

Answer:

I'm too tired to explain, here's some digital work on a site called Symbolab:

5 0
2 years ago
the ratio of the weight of an object on earth to the weight of the same object on pluto is 100 to 3. if and elephants weighs 410
Over [174]
You mean find the elephant's weight on Pluto?

100:3 & 4100:x

4100/100 = 41
3*41 = 123

The ratio would become 4100:123 with the elephant's weight on Pluto as 123 pounds.

8 0
3 years ago
Read 2 more answers
Find mZPQR.<br> help asap
DENIUS [597]
<h3>Answer: D) 72</h3>

======================================

Work Shown:

Angle PQR = (far arc - near arc)/2

2x+72 = ( (2x+252) - (2x+108) )/2

2x+72 = 144/2

2x+72 = 72

2x = 72-72

2x = 0

x = 0/2

x = 0

-------------

Angle PQR = 2x+72

Angle PQR = 2(0)+72

Angle PQR = 72 degrees

4 0
2 years ago
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