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scZoUnD [109]
3 years ago
14

The radius of a circle is 7 yards. What is the circle's area?

Mathematics
2 answers:
never [62]3 years ago
8 0

Answer: 153.86

Step-by-step explanation:

a=nr^2

A= 3.14 * 49

A= 153.86

oksian1 [2.3K]3 years ago
3 0

Answer:

153.94

It says in Google Calculator

(You can also use Google and search up "Circle with area with 7" and put the information in.)

Step-by-step explanation:

A= pi r ^2

Apply the equation

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I will repot any links
asambeis [7]

Answer:

Sorry for being late it is a Fewer than 14.05 Hope this helps :D

Step-by-step explanation:

7 0
2 years ago
8c=5c+21 What would that be
NemiM [27]
To solve for C, you have to get both of the numbers with a C on the same side.  So, subtract the 5c from the right side onto the left side.

8c = 5c + 21\\8c - 5c = 5c - 5c + 21\\3c = 21

Then, divide by 3 on each side.

3c = 21\\3c /3 = 21/3\\c = 7

So, c = 7.
7 0
3 years ago
Read 2 more answers
How many liters each of a 25% acid solution and a 50% acid solution must be used to produce 80 liters of a 40% acid solution?
alina1380 [7]

Answer:

  • 32 and 48 liters

Step-by-step explanation:

Let 25% solution is x liters, then 50% solution is (80 - x) liters.

<u>Acid content is going to be same:</u>

  • 0.25x + 0.5(80 - x) = 80*0.4
  • 0.25x - 0.5x + 40 = 32
  • 0.25x = 8
  • x = 8/0.25
  • x = 32 liters

So 32 liters of 25% solution and 80 - 32 = 48 liters of 50% solution

4 0
3 years ago
Help me please it’s simple :( thank u
Vikki [24]
All have 4 sides. That’s what I would put. Good luck and don’t copy links they’re most likely viruses
6 0
3 years ago
Gerry visited a farm and saw a total of 87 chickens and pigs. If there were a total of 248 legs between all of these animals, ho
Shkiper50 [21]

Answer: 37

Step-by-step explanation:

87 x 2 = 174

248 - 174 = 74

74 divided by 2 = 37

So, therefore you answer will be 37

:))

6 0
2 years ago
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