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SashulF [63]
3 years ago
6

I have absolutely no idea what this even is and it is a huge grade

Mathematics
2 answers:
ValentinkaMS [17]3 years ago
8 0

Answer:

50.27 (to 2dp)

Step-by-step explanation:

radius = 4

area of circle = pi * r * r

16 pi is area = 50.2655 units^2 (to 4dp)

valkas [14]3 years ago
6 0

Answer:

50.24

Step-by-step explanation:

Area of the circle is \pi r^{2}. If the diameter is 8, then we know that the radius is 4, because the radius is half of the diameter. Then solve. 4 squared is 16, then multiply by 3.14 in place of pi and you will get 50.24. So yes, you are correct, it is 50.24.

You might be interested in
Find the value of x. 4(x-7)= 3(9- 1/3x)
Makovka662 [10]

Answer:

x = 11

Step-by-step explanation:

distribute: 4x - 28 = 27 - x

add x to both sides: 5x - 28 = 27

add 28 to both sides: 5x = 55

divide 5 to both sides: x = 11

4 0
3 years ago
HELP!!!!!!!!! I don't understand this question. Does anyone know how to do it?
Semenov [28]

Answer:

y = 8(.88)^x

y = 4.221855 for the fifth reduction

Step-by-step explanation:

We can use the formula

y =ab^x

where a =the initial value

b= 1 -percent decrease

a = 8 inches

b = 1-12%

   = 1-.12

   = .88

y = 8 (.88)^x

The fifth reduction is

y = 8 (.88) ^5

y = 4.221855


5 0
3 years ago
This is Algebra
Vilka [71]
1. ( t + 8) (t - 6) t = -8 and 6
2. prime
3. (t - 16) (t + 3) t = 16 and -3
4. prime
5. (t + 15) (t - 2) t = -15 and 2
7 0
3 years ago
The formula y=12x converts x feet to y inches. Rewrite the formula to convert y inches to x feet
Lelechka [254]

Answer:

x=y/12

Step-by-step explanation:

I took the variable and flipped it. Instead of solving for y inches, I solved for x feet.

6 0
3 years ago
2(12 - y) = 23- (2y - 1) is there a solution for this?
natali 33 [55]

Answer:

Step-by-step explanation:

Short Answer: No

2(12 - y) = 23- (2y - 1)                    Remove the Brackets on both sides

24 - 2y = 23 - 2y + 1                     Combine like terms on the right

24 - 2y = 24 - 2y                          No matter what you do, the 2ys are going to cancel. When they do, the question goes with them.

You get 24 = 24 Which is true but not relevant.

The other answer you could use is there are an infinite number of answers.

Equality will be maintained, but there is no single answer that works.

3 0
3 years ago
Read 2 more answers
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