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e-lub [12.9K]
4 years ago
15

Show work. step by step instructions. solve for p 4(p+2)=28

Mathematics
1 answer:
Mazyrski [523]4 years ago
6 0

We can use the distributive property for this:

4 (p+2) = 28

4p + 8 = 28.

4p = 28 - 8.

4p = 24.

Divide by 4 on both sides:

p = 6

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12 eggs are in one dozen

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4 0
4 years ago
In Mary's first math test she scored 87%. The mean and standard deviation for the class were 71% and 18% respectively. In her se
erica [24]

Answer:

Step-by-step explanation:

Since your population are the students in math class, you can use the z-score formula z=(x-\mu)/\sigma in order to comparing the two math test scores. Where \mu is the mean for the class, \sigma is the standars deviation and x is Mary score.

For the first test \mu=.71 , \sigma=.18,x=.87 , so ,z_{1} = (.87-.71)/(.18)=.88.

For the second test \mu=.53 , \sigma=.14,x=.66 , so ,z_{1} = (.66-.53)/(.14)=.93

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4 years ago
Find the slope of the line (7, 5) and (3, -4) on it.
Karolina [17]

Answer:

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Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
When the air in a hot-air balloon is heated to 100 degrees Fahrenheit, each cubic foot of air can lift about 7 grams. The functi
jenyasd209 [6]
Answer: f(x) = 7x

See this table

x [ ft^3 of air in the ballon]    f(x) [grams that can be lifted]

1                                          7
2                                          14
3                                          21
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3 years ago
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Dima020 [189]

Answer:

y=1/3x-2

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

m=(0-(-2))/(6-0)

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m=2/6

simplify

m=1/3

y-y1=m(x-x1)

y-(-2)=1/3(x-0)

y+2=1/3(x)

y+2=1/3x

y=1/3x-2

6 0
3 years ago
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