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lyudmila [28]
3 years ago
6

The national weather service reports the daily temperature in degrees

Mathematics
1 answer:
kobusy [5.1K]3 years ago
4 0

Answer:

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

Step-by-step explanation:

Given

F = 1.8C + 32

Required

Solve for C

F = 1.8C + 32

Subtract 32 from both sides

F-32 = 1.8C + 32-32

F-32 = 1.8C

Divide both sides by 1.8

\frac{1}{1.8}(F - 32)  = C

Express the decimal as fraction

\frac{1}{18/10}(F - 32)  = C

\frac{10}{18}(F - 32)  = C

Simplify

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

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

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Paul plans to buy a movie that has a regular price of $19.99. It is on sale for 25% off, but Paul will have to pay 6% sales tax.
d1i1m1o1n [39]

Answer:

16.00

Step-by-step explanation:

19.99 - 25% + 6% = 15.89 =16.00

8 0
3 years ago
What is the sum of 9+10 (;
garri49 [273]

Answer:

19 or 21.

Step-by-step explanation:

I swear.

5 + 5 = 10

10 + 5 = 15

15 + 4 = 19

________________

9 + 9 = 18

18 + 10 = 28

28 - 5 = 23

There are two nines so

23 - 2 = 21

6 0
3 years ago
Two sides of a triangle are equal in length and double the length of the shortest side . The perimeter of the triangle is 36 inc
Firdavs [7]

Answer:

The length of the sides of the triangle are as follow: Two sides are 14.4 inches long and the shortest is 7.2 inches.

Step-by-step explanation:

P = 36in // perimeter of triangle

P = A + B + C //equation for perimeter of a triangle

A = B or B = A //Showing that two sides are equal in length

A = 2C and B = 2C //Showing that the two equal sides are each doubled of the shortest side

C = A/2 and C = B/2 //Showing the same thing as the top, but in terms of the shortest side

Solve for C //First we solve for the shortest side as it's easiest

36 = A + B + C

36 = 2C + 2C + C //Use substitution for A and B

36 = 5C

C = 7.2in

Solve for A

A = 2C

A = 2(7.2) //Use what we solved for C

A = 14.4in

Solve for B

B = A

B = 14.4in //Same as A

Check Work

P = A + B + C

P = 14.4 + 14.4 + 7.2

P = 36

4 0
3 years ago
What is the range of the function y= 2e^x -1 ?
PtichkaEL [24]

The range is all real number greater than - 1

6 0
3 years ago
Read 2 more answers
Find the value of x if AB || CD
lions [1.4K]

x = (180 - 55) + (180 - 25) = 280°



Answer: x = 280°

5 0
3 years ago
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