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Ostrovityanka [42]
2 years ago
6

URGENT! In ABC. what is the value of r?

Mathematics
1 answer:
Bond [772]2 years ago
3 0

Answer:

16.2

Step-by-step explanation:

By geometric mean theorem:

{9}^{2}  = 5(x) \\  \\  \implies \: 81 = 5x \\  \\  \implies \:  x=  \frac{81}{5}  \\  \\ \implies \:  x=16.2

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Im so confused. :/ Anyone?
ArbitrLikvidat [17]
First one = 9x3=27

Second one 12x9=108

3rd one = 3x4=12
 
Idk what that last one is
7 0
3 years ago
There are 7 pens in a bag. Four of the pens are blue and the other 3 are red. What's the probability of pulling out a red
GarryVolchara [31]

Answer:

3/7

Step-by-step explanation:

P(red) = number of red pens / total number of pens

         = 3/7

6 0
2 years ago
Read 2 more answers
The city of Anville is currently home to 16000 people, and the population has been growing at a continuous rate of 4% per year.
Nesterboy [21]

Answer

After 13.15 years the population of both towns will become equal.

Step-by-step explanation:

Population of the city Anville is given by using the compound interest formula  

The formula of compound interest

A = p( 1+r/n)^n*t

using this we get

P1 = 16000 (1 +\frac{0.04}{1}) ^1*t

Population of the city of Brinker will be

P2 = 11000( 1  + \frac{0.07}{1}) ^1*t

now to make equal population in both towns

P1=P2

16000 (1 +\frac{0.04}{1}) ^1*t = 11000( 1  + \frac{0.07}{1}) ^1*t

(\frac{1.04}{1.07} )^t = \frac{11}{16}

t = 13.15 years

5 0
3 years ago
Fill in the missing number.<br> 24, 32, _<br> -, 48, 56
Cloud [144]
The answer is 40..........
3 0
3 years ago
Angles A and B are supplementary.Angle A has a measure of 80 degrees. What is the measure of angle B
yulyashka [42]

The sum of two supplementary angles is 180 degrees.

A+B=180.

80+B=180

B= 180-80

B=100

8 0
3 years ago
Read 2 more answers
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