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Marrrta [24]
3 years ago
15

Solve the equation 12y+34=8

Mathematics
1 answer:
Dahasolnce [82]3 years ago
8 0
12y+ 34=8
-34. -34
12y/12= -26/12
Y= -2.16
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8 0
3 years ago
In one town, the number of pounds of sugar consumed per person per year has a mean of 8 pounds and a standard deviation 3 of 20
lesantik [10]

Answer:

c. 1.67 standard deviations above the mean

Step-by-step explanation:

The z-score measures how many standard deviations a score X is from the mean. It is given by the following formula:

Z = \frac{X - \mu}{\sigma}

In which \mu is the mean and \sigma is the standard deviation.

A positive z-score means that X is above the mean, and a negative Z-score means that X i below the mean.

In this problem, we have that:

\mu = 8, \sigma = 3

Tyler consumed 13 pounds of sugar last year How many standard deviations from the mean is that?

This is Z when X = 13. So

Z = \frac{X - \mu}{\sigma}

Z = \frac{13 - 8}{3}

Z = 1.67

So this is 1.67 standard deviations above the mean.

3 0
4 years ago
On one day a Plumber Joe earned $80 on a plumbing job. Out of his earnings he spent $6.85 on tea and snacks, $5.50 on food and $
In-s [12.5K]

Answer:

Joe saved 68.25

Step-by-step explanation:

Subtract 6.85 from 80, you get 73.15

Subtract 5.50 from 73.15 and you get 67.65.

Subtract 21.40 from 67.65 and you get 46.25.

Add 22 to that amount, you get 68.25.

P.S

Have an Amazing Day! I Hope this Helps and Good Luck!!

<em><u>~Faker/Tosrel</u></em>

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3 years ago
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