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babunello [35]
2 years ago
9

What’s the area of this circle?

Mathematics
1 answer:
Alisiya [41]2 years ago
4 0

Answer:

530.66

Step-by-step explanation

A=r2*3.14=13*13*3,14=530.66

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OPEN ENDED QUESTION
posledela

Answer: I hope this helps :)

Substitution:  45+15(6-1)

Simplify:  120

Step-by-step explanation:

Calculate within parenthases (6-1) =5    =45+15(5)

Multiply left to right 15(5)=75      =45+75

Add leftg to right 45+75=120

Answer = 120

4 0
3 years ago
Find the missing value <br> 3/8 +1/?=5/8<br> 3/4-1/?=1/4<br> ?/6 + 1/8= 23/24
steposvetlana [31]
1st one : is 1/4 ( subtract 3/8 from both sides and simplify 5/8 - 3/8 to 1/4. )

2nd one : is 1/2 ( subtract 3/4 from both sides, simplify 1/4 - 3/4 to 1/-2, and then multiply both sides by -1 )

3rd one : is 5/6 ( subtract 1/8 from both sides and simplify 23/24 - 1/8 to 5/6).
6 0
3 years ago
Read 2 more answers
Find the average rate of change for f(x) = x2 + 9x + 18 from x = −10 to x = 10.
igor_vitrenko [27]
The average rate of change formula is 
           f(b) - f(a)
arc = ----------------
               b-a
                    
Here, a= -10 and b = 10

                   (10)^2 + 9(10) + 18 - [ (-10)^2 + 9(-10) + 18]
Here arc = --------------------------------------------------------------
                                     10 - (-10)

10^2 and -(-10)^2 cancel.     18 - 18 cancel.

                                               90 - (-90)            180
This leaves us with     arc = ----------------- = ------------- = 9 (answer)
                                                   20                     20
7 0
3 years ago
Create a story context for the following expression.<br> 1/3 x ($20 - $3.20)
maksim [4K]

Answer:

Julie and her 2 sisters want to buy a new videogame, it costs $20, if their grandmother gives them $3.20 to buy it, how much will each have to pay?

Step-by-step explanation:

When you have a problem like this you just have to thing on a reason to multiply by a fraction and a withdrawal from the total, if you are multiplying by a fraction, that means you are dividing money, so thats why we put julie and her sisters as subjects, and her grandma givin them money is to withdraw from the total amount those $3.20

4 0
3 years ago
Please help im stuck ​
kolbaska11 [484]
It looks like the first 3 are because they all are blank x2.5 but the last one would be 8x2.5=20..
6 0
2 years ago
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