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MrRa [10]
3 years ago
12

Choose the best answer

Mathematics
1 answer:
solmaris [256]3 years ago
8 0

Answer:

the best answer

Step-by-step explanation:

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39 is what percent of 82
s2008m [1.1K]

Answer:

47.5%

Step-by-step explanation:

39/82 = .475 = 47.5%

3 0
3 years ago
Read 2 more answers
The scale drawing of a rectangular room will be enlarged by a scale factor of 4 to create the actual room. The actual area of th
bearhunter [10]

Answer:

The expression is equal to \frac{150}{4^{2}}

The area of the scale drawing is 9.375\ ft^{2}

Step-by-step explanation:

we know that

If two figures are similar, then the ratio of its areas is equal to the scale factor squared

let

z------> the scale factor

x------> the area of the actual room

y-----> the area of the scale drawing

so

z^{2}=\frac{x}{y}

we have

z=4

x=150\ ft^{2}

substitute and solve for y

4^{2}=\frac{150}{y}

y=\frac{150}{4^{2}}=9.375\ ft^{2}

6 0
3 years ago
Find the unknown angle measure by solving for the given variable
tiny-mole [99]

A straight line is 180°. So you can do:

(15x - 4) + (5x - 8) = 180  Simplify

20x - 12 = 180

20x = 192    Find the value of x

x = 9.6

m∠ABD = 15x - 4      Plug in x = 9.6

m∠ABD = 15(9.6) - 4 = 144 - 4 = 140°

m∠DBC = 5x - 8   Plug in 9.6

m∠DBC = 5(9.6) - 8 = 48 - 8 = 40°

3 0
3 years ago
What is the distance in feet if you runs 8.05 kilometers every day?
Sveta_85 [38]
You run 26410.76 ft every day
8 0
3 years ago
Let's find the unknown variables in the following cases. ) (a) If C.P. Rs 150 and profit = Rs 12, find profit percent​
vivado [14]

Answer:

solution,                                                                                                                                     cp=Rs150                                                                                                                                        profit=Rs12                                                                                                                              Now,                                                                                                                                                   profit percent=profit% of cp                                                                                              or,profit percent=12/100 x Rs150                                                                                                Therefore,profit percent =18%

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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