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mezya [45]
2 years ago
13

Solve the Percent Discount Application.

Mathematics
1 answer:
shusha [124]2 years ago
5 0
79.90*0.8= 63.92

Answer
63.92
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Anne is building bookcases that are 3.1 feet long. How many complete shelves can be cut from a 12-foot board?
bekas [8.4K]

Answer: 3 shelves

Step-by-step explanation:

12 ÷ 3.1 = 3.87…

Since this is more than 3 but less than 4, we can build 3 full shelves with a leftover.

5 0
3 years ago
Which is the correct form
slamgirl [31]
None of the above is the correct choice
7 0
3 years ago
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(a) A random sample of 10 houses in a particular area, each of which is heated with natural gas, is selected and the amount of g
rewona [7]

Answer:

In average, houses in the particular area use 119,6 therms of gas during the month of January.

Step-by-step explanation:

The μ formula is:

μ= ΣXi/N

ΣXi= is the sum of each xi. xi is each observation in the sample.

N= Total number of observations.

For this case:

ΣXi= 125+103+118+ 109+ 122+ 82+ 99+ 138+ 151+ 149

ΣXi= 1196

N= 10

μ= 1196/10

μ= 119,6

In average, houses in the particular area use 119,6 therms of gas during the month of January.

5 0
3 years ago
What equation is graphed in this figure?
Semmy [17]

-3/2 that's the answer idk what else to say lol.

                                                                 

5 0
3 years ago
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Find the simple interest earned to the nearest cent for each principal, interest rate, and time.
Y_Kistochka [10]

Answer:

Interest earned at 3.9 percent rate is $31.2

Interest earned at 2 percent rate is $5.8

Step-by-step explanation:

A = P(1 + rt)

Where 'A' is the amount, 'r' is the rate and 't' is the time in years

When;

P = $1200

r = 3.9%

t = \frac{8}{12} years

Then,

A = $1200(1 + 0.039(\frac{8}{12}))

A = $1200 + $31.2 = $1231.2

Interest = Amount - Principal

Interest earned at 3.9 percent rate is $1231.2 - $1200 = $31.2

When;

P = $580

r = 2%

t = \frac{6}{12} years

Then,

A = $580(1 + 0.02(\frac{6}{12}))

A = $580 + $5.8 = $585.8

Interest earned = Amount - Principal

Interest earned at 2 percent rate = $585.8 - $580 = $5.8

4 0
3 years ago
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