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Sergio [31]
3 years ago
12

Help this is my midterm

Mathematics
2 answers:
adoni [48]3 years ago
7 0
Oh nu your cheating that ain’t gooood
Kay [80]3 years ago
3 0

Answer:

Solution given:

relationship between perpendicular and hypotenuse is given by sin angle

sin angle =P/h

angle=sin-¹(7/12)=35.68

so

your option is b.36.

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What is the area of this parallelogram <br><br> 20<br> 28<br> 30<br> 35
Vikentia [17]
ANSWER: 28

EXPLANATION:

Area is l • w or length • width. We know the width is 7 but for the length you only multiply the straight line. As 5 is slanted we use 4 instead, leaving us to multiply 7 • 4. This give us a solution of 28.

Hope that helps★
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3 years ago
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6.1.7 (Video Solution) An article in Human Factors (June 1989) presented data on visual accommodation (a function of eye movemen
horsena [70]

Answer:

- the sample mean is 44

- the sample standard deviation is 12.35

Step-by-step explanation:

given information:

data, x_{i} = 36.45, 67.90, 38.77, 42.18, 26.72, 50.77, 39.0, 50.23

the number of data, n = 8

the sample mean, xbar

xbar = ∑x_{i}/n

       = (36.45+67.90+38.77+42.18+26.72+50.77+39.0+50.23)/8

       = 352.08/8

       = 44

standard deviation, s

s = \sqrt{sum(x_{i} - xbar)^{2}/n-1}

  = \sqrt{(36.45-44)^{2}+(36.45-44)^{2}.........(39.00-44)^{2}+(50.23-44)^{2}/(8-1 )}

 = \sqrt{\frac{1067.12}{7} }

 = 12.35

7 0
3 years ago
Jim bought a fishing rod for $42. The price was 70% of the original price. What was the original price?
Free_Kalibri [48]
It was 71.4 , hope that helped 

4 0
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How much does Taylor has?
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