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ArbitrLikvidat [17]
3 years ago
13

Solve the equation for the variable. Show all solving steps. –13m = –39

Mathematics
2 answers:
Klio2033 [76]3 years ago
8 0
I'm unsure of how to explain this but -39 divided by -13 equals 3
M=3
ikadub [295]3 years ago
3 0
M=(-39/-13)
m=3

......
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13. Find the surface area of each figure to the nearest tenth. Show your work.
stiv31 [10]
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SA of Pyramid = 12*P*l + s^2
SA of Pyramid = 12*4s*l + 16^2
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SA of Pyramid = 11,008 square inches

b.) The formula for the SA of a cone is: 

SA of cone = πr[r+√(h^2+r^2)]
SA of cone = π(3)[(3+√(8^2+3^2)]
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Step-by-step explanation:

The sum of the angles must be 360.

4x+3x+3x+2x = 12x

12x = 360

x =360/12 = 30

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5 0
3 years ago
A patient's total surgery charges are $1,278. The patient must pay the annual deductible of $1,000, and the policy states a 80-2
musickatia [10]

Answer:

The patient owe $1255.6 .

Step-by-step explanation:

As given

A patient's total surgery charges are $1,278.

The patient must pay the annual deductible of $1,000.

The policy states a 80-20 coinsurance.  (i.e 20% of the surgery amount is given by the patient .)

20% is written in the decimal form .

= \frac{20}{100}

= 0.20

20% of patients surgery cost  =  0.20 ×  $1278

                                                 = $ 255.6

Patients owe = Deductible cost + 20% of patients surgery cost

                      = $1000 + $255.6

                      = $ 1255.6

Therefore the patient owe $1255.6 .

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4 years ago
A line segment always contains a line
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