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natita [175]
3 years ago
14

The ratio of the area of a circle, P , to the area of another circle, Q , is 16/81 .

Mathematics
1 answer:
stellarik [79]3 years ago
6 0
Ratio of  the radii = sqrt16 / sqrt81 = 4/9

so radius of circle Q  is  found by solving  4/9 = 8/x  where x = radius of Q

x = 2*9  = 18

radius of circle Q = 18.
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2x + 6y = -16 <br> -6x - 3y = -27<br> Find the Solution of the system of equation
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Answer: x=7, y=-5

Step-by-step explanation:

7 0
2 years ago
a farmer is putting up a rectangular pasture. it measures 320 feet by 335 feet it costs $8 per foot, how much will it cost
Anvisha [2.4K]

Answer:

I think it would cost $13,400

Step-by-step explanation:

if you do 320 times 335 you get 107200 and then if you divide that by 107,200 you get $13,400

8 0
3 years ago
A family has three children.The oldest is 4 years older than the middle,and the youngest child is 2 years younger than the middl
lesantik [10]

Answer:

The age of the youngest child = x = 6 years

The age of middle child = y = 8 years

The age of the oldest child = z = 12 years

Step-by-step explanation:

Let us represent:

The age of the youngest child = x

The age of middle child = y

The age of the oldest child = z

The sum of the ages of the children is 26.

Hence: x + y + z = 26...... Equation 1

The oldest is 4 years older than the middle

z = 4 + y

The youngest child is 2 years younger than the middle child

x = y - 2

Hence, we substitute 4 + y for z and y - 2 for x in Equation 1

x + y + z = 26...... Equation 1

y - 2 + y + 4 + y = 26

y + y + y -2 +4 = 26

3y + 2 = 26

Subtract 2 from both sides

3y + 2 - 2 = 26 - 2

3y = 26 - 2

3y = 24

y = 24/3

y = 8

Solving for x

x = y - 2

x = 8 - 2

x = 6

Solving for z

z = 4 + y

z = 4 + 8

z = 12

Therefore:

The age of the youngest child = x = 6 years

The age of middle child = y = 8 years

The age of the oldest child = z = 12 years

7 0
3 years ago
How many centimeters are in 32 inches?
Anettt [7]

Step-by-step explanation:

12 inches = 30cm.

12 inches = 30cm.

8 inches = 20.3 cm

32 inches = 80.3 cm.

5 0
3 years ago
I will give a brainliest if your answer are correct
Andrew [12]

Answer:

huhh what this is question is too hard

4 0
3 years ago
Read 2 more answers
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