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2 years ago

SOMEONE DO THIS QUICKLY! THIS IS DUE IN 30 MINS!

Mathematics

1 answer:

Fofino [41]2 years ago

7 0

Answer:

2) a) Neither; b) Adjacent; c) Vertical; d) Adjacent; e) Neither; f) Vertical

3) Vertical, x = 135

4) Adjacent, x = 57

5) Adjacent, c = 45

6) Adjacent, x = 118

7) Vertical, x = 47

8) Adjacent, x = 58

9) Adjacent, x = 9.67

10) Adjacent, x = 10

11) Vertical, x = 20

Step-by-step explanation:

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Suppose that replacement times for washing machines are normally distributed with a mean of 9.3 years and a standard deviation o

Ad libitum [116K]

The probability will be found as follows:
z-score is given by:
z=(x-μ)/σ
where:
mean-μ=9.3
standard deviation-σ=1.1
but
σ/√n=1.1/√70=0.1315
thus the z-score will be:
z=(9.1-9.3)/0.1315
z=-1.5209
thus:
P(x<9.1)=P(z<-1.5209)=0.0643

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3 years ago

The temperature in some region of Alaska equals 15 F. Convert this temperature to Celsius.

sergij07 [2.7K]

The formula you need to use is C = 5/9•(F - 32)

So take 15 and subtract 32: 15-32 = -17
Then multiply that by 5/9: 5/9•(-17) ≈ -9.44

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2 years ago

Daniel created an intersection with his race track. One of the angles at the intersection is 55°. What are the three other angle

melomori [17]

Answer:

55, 125 and 125

Step-by-step explanation:

In this question, we are asked to find the other 3 angles in an intersection.

Please check attachment for what the diagram of the intersection might look like.

The intersection consists simply of 4 angles meeting at a point with the 2 angles on each side vertically opposite to the angles on the other side.

since one of the angles is 55, and we are having a straight line, the other angle would be 180-55 = 125.[ sum of angles on a straight line is 180]

These two angles are vertically opposite, this means that the other three angles are 55,125 and 125.

3 0

2 years ago

A snail traveled 150 feet per hour. How far would he travel in 45 minutes?

Nuetrik [128]

Answer:

112.5 which is 113

Step-by-step explanation:

150 divided by 60= 2.5

2.5 times 45=112.5

3 0

2 years ago

Rock-music sales represented 24.8% of the total music sales in 2000. By 2007, rock-music sales represented 32.4% of the total mu

baherus [9]

Answer:

Unit Rate of Change = 1.27%

Step-by-step explanation:

In 2000, t=1 and Total Music sales = 24.8%

In 2007, t=7 and Total Music sales = 32.4%

The Slope $m=\dfrac{32.4-24.8}{7-1} =\dfrac{7.6}{6}=1.27\%$

The Unit Rate of Change is 1.27% and it means that the Total Music Sales Increased by approximately 1.27% every year.

8 0

3 years ago

Read 2 more answers