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kotykmax [81]
3 years ago
11

What is the area of a circle with a radius of 7 cm2 (Use 3.14 for

Mathematics
1 answer:
lyudmila [28]3 years ago
7 0

Answer: 153.9

Step-by-step explanation:

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How many hours would someone earns 7.50 per hour have to work to earn $116.25
SCORPION-xisa [38]

Let h = amount of hours

7.5h=116.25

Since they earn $7.50 per hour, we can multiply that by an unknown amount of hours to get $116.25. Let's solve:

7.5h=116.25

Divide both sides by 7.5 to isolate the h, amount of hours.

\frac{7.5h}{7.5}=\frac{116.25}{7.5}

Simplify.

h=15.5

In conclusion, someone would have to work 15.5 hours to earn $116.25 if they earn $7.50 per hour.

5 0
3 years ago
A piece of tile is 4 1/2 inches long and 3 1/4 inches wide. What is the area of the tile? A. 7 3/4 square inches B. 12 square in
mario62 [17]
First change the 4\frac{1}{2} to 4\frac{2}{4} .
Then multiply 4\frac{2}{4} and 3\frac{1}{4}
The answer would be D) or 14\frac{5}{8} in².
8 0
3 years ago
Lin can read at rate of 20 pages in 35 minutes she just borrowed a book from library that 48 pages how many minutes will it take
tiny-mole [99]

Answer:

84

Step-by-step explanation:

4 0
3 years ago
2 Points
Inga [223]

Answer:

D

Step-by-step explanation:

Given

9 - 7x = (4x - 3)² + 5 ← expand the squared factor

9 - 7x = 16x² - 24x + 9 + 5, that is

9 - 7x = 16x² - 24x + 14 ( subtract 9 - 7x from both sides )

0 = 16x² - 17x + 5, that is

16x² - 17x + 5 = 0 ← in standard form → D

4 0
3 years ago
the point Z(3, -3) is rotated 180 degrees counterclockwise around the origin. what are the coordinates of the resulting point, Z
Leviafan [203]

Answer: -3 , 3

Step-by-step explanation:

thank me later;)

7 0
3 years ago
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