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OverLord2011 [107]
2 years ago
5

8y+6x=7 solve for y

Mathematics
1 answer:
Lady_Fox [76]2 years ago
6 0

Answer:

y= \frac{7-6x}{8}

Step-by-step explanation:

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Ello awnser this what is 1 area x 649= ???<br> write in te awnser box
soldier1979 [14.2K]

Answer:

Well I believe 1 x 649 equals 649 units as the area...

I tried my best! Hope this helps you!

6 0
3 years ago
According to a survey, high school girls average 100 text messages daily (The Boston Globe, April 21, 2010). Assume the populati
Ghella [55]

Answer:

Step-by-step explanation:

Hello!

The variable of interest is:

X: number of daily text messages a high school girl sends.

This variable has a population standard deviation of 20 text messages.

A sample of 50 high school girls is taken.

The is no information about the variable distribution, but since the sample is large enough, n ≥ 30, you can apply the Central Limit Theorem and approximate the distribution of the sample mean to normal:

X[bar]≈N(μ;δ²/n)

This way you can use an approximation of the standard normal to calculate the asked probabilities of the sample mean of daily text messages of high school girls:

Z=(X[bar]-μ)/(δ/√n)≈ N(0;1)

a.

P(X[bar]<95) = P(Z<(95-100)/(20/√50))= P(Z<-1.77)= 0.03836

b.

P(95≤X[bar]≤105)= P(X[bar]≤105)-P(X[bar]≤95)

P(Z≤(105-100)/(20/√50))-P(Z≤(95-100)/(20/√50))= P(Z≤1.77)-P(Z≤-1.77)= 0.96164-0.03836= 0.92328

I hope you have a SUPER day!

3 0
3 years ago
Determine the rate: 6,000 miles in 3 hours
zmey [24]

Answer:

6,000:3

Step-by-step explanation:

6 0
2 years ago
You aint even saying why is yes you chould try explaining it better next time.
olchik [2.2K]
What are you talking about?
3 0
2 years ago
Read 2 more answers
Solve for m.<br><br> -5m = -35<br> m = ?
IgorLugansk [536]
-5m = -35

-5m/-5 = -35/-5

m = 7

Answer: m = 7
6 0
3 years ago
Read 2 more answers
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