2 years ago

Solve c= 5/9(F-32) for F

Mathematics

1 answer:

guajiro [1.7K]2 years ago

8 0

Answer:

F=9/5c+32

Step-by-step explanation:

c=5/9f-160/9

9c=5f-160

-5f=-160-9c

f=32+9/5c

f=9/5c+32

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Prove that the value of the expression (125^2+25^2)(5^2–1) is divisible by 3

Radda [10]

Step-by-step explanation:

$A =(125^{2} + 25^{2} ) (5^{2} - 1)\\A = [(5^{3})^{2} + (5^{2})^{2} ] . (5^{2} - 1)\\A = (5^{6} + 5^{4} ). (5^{2} - 1)\\A = [5^{4} . ( 5^{2} + 5)].(5^{2} - 1) \\A = 5^{4} . (25+ 5). (5^{2} - 1)\\A = 5^{4} . 30. (5^{2} - 1)\\$

Since 30 is divisible by 3

Thus, A is divisible by 3

Good luck!

5 0

3 years ago

Read 2 more answers

A new business center in town was built in a shape of a regular nonagon. Each side is 160 feet long which is the area occupied b

charle [14.2K]

Answer:

158,254.08 ft²

Step-by-step explanation:

A nonagon is a polygon with 9 sides and 9 angles. A regular nonagon has all equal sides and all equal angles. In order to find the area of a nonagon, you can use the formula:

A = $\frac{9}{4}a^{2}cot(\frac{180}{9})$ where 'a' represents the length of one side