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leonid [27]
3 years ago
15

What is exact area of circle with radius=7.

Mathematics
2 answers:
Illusion [34]3 years ago
7 0
153.94 is the area of a circle
Aleks04 [339]3 years ago
4 0
Answer: 153.93804002589987 (using pi) or 153.86 (using 3.14)

Formula is pi times radius squared
7 squared is 49
Multiply 49 by pi
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The product of a number and 32.
hoa [83]

Answer:

32n

Step-by-step explanation:

Product means to multiple

So “product of a number” is something times a variable, in this case I used “n” to represent “number” but you don’t have to use “n” if you don’t want to, you could other letters to represent the “number”. The “number” is unknown so that way it is a variable.

The “and 32” is what the “number” is multiple to, so the answer would be: 32n

6 0
3 years ago
Select the correct answer. Which expression has a greatest common factor of 3h? A. 18h2 − 6h B. 3 − 9h C. 6h2 − 2h D. 12h + 21h2
horsena [70]

Answer: D. 12h + 21h2

Step-by-step explanation: The answer is D,

because when you devide 12h/3h = 4

and for the other value 21h2/3h=7h

4 + 7h

if you perform the same operation with the rest of answers you will get a minor values if you compare with this results, because of that the answer with the greatest common factor is D.

6 0
3 years ago
Read 2 more answers
Find three rational numbers between -2/5 and 2/5
ra1l [238]

Step-by-step explanation:

multiplying both numerators and denominators of both fractions by any number to get equivalent fractions. let us multiply by 20 so

-2/5 = -40/100 and

2/5 = 40/100

so rational numbers between them

-39/100, -38/100,-37/100.........-3/100,-2/100,-1/100,0,1/100,2/100,3/100................37/100,38/100,39/100

as many as you like you can write

8 0
4 years ago
Read 2 more answers
What is the perimeter, in units, of polygon ABCDEF
PIT_PIT [208]

Answer:

30

Step-by-step explanation:

HOPE THIS HELPS

PLZZ MARK BRAINLIEST

7 0
3 years ago
Read 2 more answers
Joanne has 20 books on crafts and cooking. she has 6 more cookbooks than craft books. how many of each does she have?​
marin [14]

Answer:

Crafts books: 7

Cookbooks: 13

Step-by-step explanation:

Let x be the crafts book

Let y be the cookbooks

Solve for x:

  1. Plug x and y in: x + y = 20
  2. Re-write: y = x + 6
  3. Plug in x + 6 instead of y: x + x + 6 = 20
  4. Combine like terms: 2x + 6 = 20
  5. Subtract 6 from each side, so it now looks like this: 2x = 14
  6. Divide each side by 2 to cancel out the 2 next to x. It should now look like this: x = 7

Solve for y:

  1. Re-use an equation from above: y = x + 6
  2. Plug in the value of x: y = 7 + 6
  3. 7 + 6 = 13
  4. So, y = 13

I hope this helps!

5 0
4 years ago
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