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kramer
3 years ago
12

Convert 59°F to Celsius, using the formula C = 5/9 (F - 32)

Mathematics
2 answers:
mr_godi [17]3 years ago
6 0
<h2>15°C</h2>

C = 5/9 (F - 32)

Substitute for 59.

C = 5/9 (59 - 32)

C = 5/9 (27)

Multiply.

C = 5/9 (27)

C=15

<h2>15°C</h2>
nadya68 [22]3 years ago
3 0

Answer: C=15\°C

Step-by-step explanation:

To solve this exercise you only need to susbstitute the value of the temperature in Fahrenheit into the formula given in the problem.

Therefore, keeping the above on mind, you obtain that 59°F to Celsius is:

C=\frac{5}{9}(F-32)

Substituting F=59 into the formula you have that:

C=\frac{5}{9}(59-32)

C=15\°C

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3 years ago
Marielle’s painting has the dimensions shown (Painting Width = 18 inches, Painting Length = 24 inches). The school asks her to p
monitta

Answer

Find out the  what is the constant proportionality .

To prove

Formula

Area of rectangle = Length × Breadth

As given

Marielle’s painting has the dimensions shown (Painting Width = 18 inches, Painting Length = 24 inches).

Area of the original painting = 18 × 24

                                              =  432 inches²

As given

The school asks her to paint a larger version that will hang in the cafeteria.

The larger version will be twice the width and twice the height.

Length of the  larger version painting = 2 × 18

                                                              = 36 inches

Breadth of the  larger version painting = 2 × 24

                                                                = 48 inches

Now area of the larger version painting = 36 × 48

                                                                  = 1728 inches²

As given

The  area of the original painting proportional to the area of the larger

painting .

Thus

Area\ of\ original\ painting\ \propto\ Area\ of\ larger\ painting

Area\ of\ original\ painting\ = k\times \ Area\ of\ larger\ painting

Where k is the constant  of proportionality

Putting the value

432 = k × 1728

k = \frac{1728}{432}

k = 4

The constant proportionality is 4 .

Hence proved  







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