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zavuch27 [327]
3 years ago
15

The fastest car on Earth, a German-made Thrust SSC, would win every NASCAR race in America. If it takes 30 minutes to travel 380

miles, what is its speed?
Mathematics
1 answer:
baherus [9]3 years ago
7 0
760 MPH...............
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I need help<br><img src="https://tex.z-dn.net/?f=%20-%203n%20%2B%207%20%2B%202n%20-%208" id="TexFormula1" title=" - 3n + 7 + 2n
natta225 [31]
-1n+1
simplified to n=1
hope this helps!
8 0
3 years ago
It has been observed that, during various forms of social competition, men experience an increase in testosterone levels. A 2018
svetoff [14.1K]

Answer:

= ( -4.725, 6.945) pg/ml

Therefore at 95% confidence interval (a,b) = ( -4.725, 6.945) pg/ml

Step-by-step explanation:

Confidence interval can be defined as a range of values so defined that there is a specified probability that the value of a parameter lies within it.

The confidence interval of a statistical data can be written as.

x+/-zr/√n

Given that;

Mean gain x = 1.11 pg/ml

Standard deviation r = 15.18 pg/ml

Number of samples n = 26

Confidence interval = 95%

z(at 95% confidence) = 1.96

Substituting the values we have;

1.11+/-1.96(15.18/√26)

1.11+/-1.96(2.977042931397)

1.11+/-5.835004145539

1.11+/-5.835

= ( -4.725, 6.945) pg/ml

Therefore at 95% confidence interval (a,b) = ( -4.725, 6.945) pg/ml

7 0
3 years ago
Fred the clown can create 20 animal balloons every 15 minutes. How many balloons can he make in 6 minutes?
Shalnov [3]

Answer:

8 balloons

Step-by-step explanation:

Balloons created in 15 minutes = 20

Balloons created in 1 minute = 20/15

Balloons created in 6 minutes = 20/15 * 6 =4/3 * 6 = 8

4 0
3 years ago
Read 2 more answers
You place a 16 foot ladder against a building. The angle that the ladder forms with
gulaghasi [49]

Answer:The base of the ladder should be placed so that it is one foot away from the building for every four feet of hight to where the ladder rests against the building. This is known as the 4 to 1 rule.

Step-by-step explanation:

7 0
3 years ago
A gym's membership in 2012 was 9,300. The current membership is 2,800. Which expression can be used to find the
gizmo_the_mogwai [7]

Answer:

Find the difference between the two, divide by the years, and should get the percent of change

the answer is b

Step-by-step explanation:

mrk  me brainliest

8 0
3 years ago
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