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Anton [14]
2 years ago
5

Jamie scored an 85% on a test that had 20 questions on it. How many question did she get right? How many questions did she get w

rong?
Mathematics
1 answer:
SSSSS [86.1K]2 years ago
3 0

Answer:10 wrong

Step-by-step explanation:

I am smart

Hope it helps :)

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A right circular cone has a height of 10 centimeters and a base of 9cm. What is the volume of the cone
swat32

Answer:

19cm

Step-by-step explanation:

3 0
3 years ago
Assume that X is Normal with mean $ 240 and standard deviation $60 . the probability that , in a randomly selected week , Dan wi
enyata [817]

Answer:

The probability of Dan making less than $255 is 0.5987 or 59.87%

Step-by-step explanation:

Given that:

Mean = μ = $240

SD = σ = $60

We have to find the probability that Dan will make less than $255

First of all, we have to find the z-score of 255

z-score is denoted by z and is given by the formula

z = \frac{x-mean}{SD}

Here,

x = 255

Putting the values

z = \frac{255-240}{60}\\z = \frac{15}{60}\\z = 0.25

Now we have to look at the z-score table to find the probability of 0.25

P(x<255) = 0.5987

Converting into percentage

59.87%

Hence,

The probability of Dan making less than $255 is 0.5987 or 59.87%

3 0
2 years ago
Ill give brainliest
steposvetlana [31]

Answer:

If they are parallel then angle b is

A. 51°

Step-by-step explanation:

6 0
2 years ago
If 0
telo118 [61]
The correct answer is A
7 0
3 years ago
Can someone pls help? ab to fail geometry. any help is nice.
Mamont248 [21]
By the law of cosines, the angle C satisfies

8.77^2=2^2+9^2-2\times2\times9\times\cos C

which reduces to

\cos C=0.2246\implies C=\arccos(0.2246)\approx1.34422\text{ rad}

which converts to approximately 77 degrees (this can be done my multiplying by 180 and dividing by pi).
7 0
3 years ago
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