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Bogdan [553]
3 years ago
12

I would like some help ​

Mathematics
1 answer:
Flauer [41]3 years ago
8 0
With what? what’s the question?
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The area of a circle is 78.5 cm² . Find the lenght of the radius of a circle . Use π = 3.14
Tpy6a [65]

Answer:

5cm  = r

Step-by-step explanation:

The area of a circle is given by

A = pi r^2

78.5 = 3.14 r^2

Divide each side by 3.14

78.5/ 3.14 = r^2

25 = r^2

Take the square root of each side

sqrt(25) = sqrt(r^2)

5 = r

6 0
3 years ago
Read 2 more answers
If you drew a horizontal line on the coordinate plane, what could you say about the y-coordinate for every point on the line?
sattari [20]
It's the y intercept.
If y = a then every point on the line would be (x,a)
The lines slope is 0.  I know that has nothing to do with the question, but it is true and it gives me 3 things to tell you.  
6 0
3 years ago
Tim tradesman had a taxable income of $82,500
maria [59]
What is the question? 
6 0
3 years ago
Only do question 4<br><br> 50 points<br><br> Topic: Percentage
Sergeu [11.5K]

Answer:

a 1

b 6

c 15

Step-by-step explanation:

101% 101/100 = 1 1/100

is 1  complete 100 grid and 1/100 of another grid so you will need 2 grids

589% 589/100 = 5 89/100

is 5 complete 100 grids and 89/100 of another grid so you will need 6 grids

1450% 1450/100 = 14 50/100

is 14 complete grids and 50/100 of another grid so you will need 15 grids

4 0
3 years ago
The school that Stefan goes to is selling tickets to a choral performance. On the first day of ticket sales the school sold 3 se
aniked [119]
52 - 38 is 14 
since on the second they sold one more child ticket then the first day we know the extra money is the price of a child ticket 
so 14 is how much a child ticket is 
if 3 senior citizen tickets but 14$ = 38 
subtract 14 from38 = 24
and then 24/3 =senior ticket
child:14$
senior:8$
5 0
3 years ago
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