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Zinaida [17]
3 years ago
8

Tools -

Mathematics
1 answer:
stich3 [128]3 years ago
4 0

Answer: D

Step-by-step explanation:

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James’ college charges tuition based only on the number of credits a student takes. James paid $1218 to take 12 credits in the f
Zielflug [23.3K]

Answer:

16 credits

Step-by-step explanation:

Divide $1218 by 12 to find out how much 1 credit costs. It's $101.50

Because he paid $1624 total for spring, you'll divide that by $101.50 because it's per credit.

1624/101.5 = 16 credits.

hope this is good enough

8 0
4 years ago
Read 2 more answers
in a poll about work, 62% of respondents said that their jobs were sometimes or always stressful. twelve workers are chosen at r
Sladkaya [172]

The mean and standard deviation of number who find their jobs stressful are 7.44 and 1.6814 respectively.

Given,

number of workers chosen , n=12

percentage of respondents =62%

from given data the calculation are done according to binomial distribution,

then,

probability of respondents ,p=\frac{62}{100}=0.62

a)calculating mean,

\mu=n*p\\\\\mu=12*0.62\\\\\mu=7.44

b)calculating standard deviation,

\sigma=\sqrt{n*p*(1-p)}\\\\\sigma=\sqrt{12*0.62*(1-0.62)}\\\\\sigma=\sqrt{7.44(0.38)}\\\\\sigma=\sqrt{2.8272}\\\\\sigma=1.6814

Thus, the mean and standard deviation of number who find their jobs stressful are 7.44 and 1.6814 respectively.

To learn more about binomial distribution refer here

brainly.com/question/15303817

#SPJ4

8 0
1 year ago
3X+4Y=-8<br> -9X-12Y=-10
Yuliya22 [10]
X=<span><span><span><span>−4/</span>3</span>y</span>+<span><span>−8/</span><span>3
and
</span></span></span>x=<span><span><span><span>−4/</span>3</span>y</span>+<span>10/<span>9</span></span></span>
7 0
4 years ago
What are the intercepts of 3x -4y=-24
masha68 [24]

Answer:

desmos

Step-by-step explanation:

look up desmos. its a grphing calculator and it gives u all the awnsers. welcome bro

6 0
3 years ago
Read 2 more answers
List all the pairs of triangles that are congruent by ASA.
morpeh [17]

Answer:

A, D, E

Step-by-step explanation:

8 0
3 years ago
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