3 years ago

Find the perimeter of the figure below, in feet.

Mathematics

1 answer:

FromTheMoon [43]3 years ago

6 0

Answer:

158.8ft

Step-by-step explanation:

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Yuki888 [10]

Dilation about the origin multiplies every coordinate by the scale factor.

C' = 4(-5, 2) = (-20, 8)

A' = 4(-4, 4) = (-16, 16)

T' = 4(-1, 2) = (-4, 8)

7 0

3 years ago

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Dennis_Churaev [7]

Multiply all terms by x

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3 years ago

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kirza4 [7]

Yes so i do need to doing the times and multipics then get a fraction then u will get tot eh answer

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4 years ago

A professor at a university wants to estimate the average number of hours of sleep the students get during exam week. The profes

balandron [24]

Answer:

The sample size is $n = 2$

Step-by-step explanation:

From the question we are told that

The margin of error is E =4.266

The standard deviation is $\sigma = 2.539$

From the question we are told the confidence level is 99% , hence the level of significance is

$\alpha = (100 - 99 ) \%$

=> $\alpha = 0.01$

Generally from the normal distribution table the critical value of $\frac{\alpha }{2}$ is

$Z_{\frac{\alpha }{2} } = 2.58$

Generally the sample size is mathematically represented as

$n = [\frac{Z_{\frac{\alpha }{2} } * \sigma }{E} ] ^2$

=> $n = [\frac{2.58 * 2.539 }{4.266} ] ^2$

=> $n = 2$

6 0

3 years ago

Find the measure of the marked acute angle to the nearest degree

Setler79 [48]

Answer: 62°
Solution:
tan x =34/18
x=tan^-1 (34/18)
x=62°

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4 years ago