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Sindrei [870]
3 years ago
5

Please any one can help me on this

Mathematics
1 answer:
riadik2000 [5.3K]3 years ago
5 0
Yes, answer choice D is correct.Answer now!
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the formula for the area of a circle is A pi r^2 what is the radius of a circle with an area of 400 pi cm^2
Bogdan [553]

Answer: 20 cm

Step-by-step explanation: Isolate the variable by dividing each side by factors that don't contain a variable.

4 0
3 years ago
PLEASE ANSWER ASAP!!!!!!!!!!!!!
Licemer1 [7]

Answer:

Since you have to distribute the 4 to both terms in parentheses, the equation is simplified like this:

1 + 12x - 40 -12x

= 1 - 40

= -39

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Nora and her children went into a grocery store and she bought $11.95 worth of apples and bananas. Each apple cost $1.25 and eac
SIZIF [17.4K]

Answer: apples = 7 and bananas = 8

Step-by-step explanation:

Let x represent the number  of apples and y represent the number of banana,

and it was said that the total apples and bananas altogether is 15 , that is

x + y = 15 ................. equation 1

Also,

1.25x + 0.40y = 11.95 ............. equation 2

Solving the two equations simultaneously ,

From the first equation, x = 15 - y ........... equation 3

substitute equation 3 into equation 2, we have

1.25(15 - y) + 0.40y = 11.95

18.75 - 1.25y + 0.40y = 11.95

18.75 - 0.85y = 11.95

18.75 - 11.95 = 0.85y

6.8 = 0.85y

therefore y = 6.8/0.85

= 8

substitute y = 8 , into equation 3

x = 15 - 8

x = 7

Therefore , she bought 7 apples and 8 banana

4 0
3 years ago
Grayson has 3 music lessons each week. Each lesson is 45 minutes long. How many total hours will he spend in music lessons in a
Anna [14]

about 117 hours bc there are about 52 weeks in a year. And one week of 3 lessons is 2 (1/4)hrs. And 2(1/4) × 52 = 117 hrs

6 0
3 years ago
9282 divided by 433 with a remainder
Studentka2010 [4]

Step-by-step explanation:

the explanation is pictured

7 0
3 years ago
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