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Naddika [18.5K]
2 years ago
5

Can someone help me please??

Mathematics
2 answers:
dem82 [27]2 years ago
7 0
Add all the sides together
10+15+7+8+8+2=50 ft
elena55 [62]2 years ago
4 0

Answer:

the perimeter is just the distance around the shape so 7+10+15+8+8+2=50

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Subtract 8-4 1/2. A. 3 B. 4 C. 4 1/2 D. 3 1/2
kicyunya [14]
This was the answer I came up with - 3.5
3 0
3 years ago
Find the height of a rectangular prism with a 3 in by 4 in base and a volume of 20 cubic inches
Crank

Answer:

1 2/3 inches.

Step-by-step explanation:

Volume = area of the base * height so:

20 = 3*4 * h

h = 20/12

h = 1 2/3 inches.

5 0
3 years ago
The monthly amounts spent for food by families of four receiving food stamps approximates a symmetrical, normal distribution. Th
e-lub [12.9K]

Answer:

95% of monthly food expenditures are between $110 and $190.

Step-by-step explanation:

Given : The monthly amounts spent for food by families of four receiving food stamps approximates a symmetrical, normal distribution. The sample mean is $150 and the standard deviation is $20.

To find : Using the Empirical rule, about 95% of the monthly food expenditures are between which of the following two amounts?

Solution :

At 95% of the data is between two standard deviation to left and right of the mean is given by,

To the left side, \bar{x}-2\sigma

To the right side, \bar{x}+2\sigma

We have given,

The sample mean \bar{x}=\$150

The standard deviation \sigma=\$20

Substitute in the formula,

\bar{x}-2\sigma

=150-2(20)

=150-40

=110

\bar{x}+2\sigma

=150+2(20)

=150+40

=190

Therefore, 95% of monthly food expenditures are between $110 and $190.

6 0
3 years ago
What is the distance between the points (0,1) and (8,7)?
andrew11 [14]

Answer:

The answer is 10.

Step-by-step explanation:

4 0
3 years ago
You buy $2.75$ pounds of pistachios and $2$ pounds of cashews. Do you pay more for the pistachios or for the cashews?
olya-2409 [2.1K]

Answer:

what's the rate? ........

7 0
3 years ago
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