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leonid [27]
3 years ago
5

Find the circumference of a circle with a radius of 2.4 m

Mathematics
2 answers:
kari74 [83]3 years ago
8 0

not sure how many decimals you want lol, but here ya go:

15.07964474

for future reference you can plug radius (r) into

c = 2pi x r

to get the circumference :)

bagirrra123 [75]3 years ago
7 0

Answer:

15.07964

..................

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A virus is spreading around Summerfield. At the moment, 800 people are infected. If the virus is spreading at a rate of 15% each
shutvik [7]

Answer:

C y=800(1.15)^12

Step-by-step explanation:

4 0
3 years ago
6. There are only cars and trucks in the parking lot. Five out of every 13
Reika [66]

Answer:

88 trucks

Step-by-step explanation:

Ratio of cars : vehicles = 5:13

Hence, the ratio of trucks : vehicles = 8:13

143/13 = 11

If the number of vehicles is 143,

we have to multiply both sides of the ratio by 11:

8*11 : 13* 11

88 : 143

Hence, there are 88 trucks for every 143 vehicles.

<em>Hope this answers your question... Have a wonderful time ahead at Brainly!</em>

5 0
3 years ago
Find the sides of a rectangle having area 125 square units if the sides are in the ratio 5:3.
tatiyna

For this case we have the following data:

Area of the rectangle, A = 125

Relationship of the sides 5: 3

By definition, the area of a rectangle is given by:

A = a * b

Where

  • a: is the longest side.
  • b: it is the side of least length.

If the sides have a 5: 3 ratio, it means:

\frac{a}{b}=\frac{5}{3}

a=\frac{5}{3}b

Substituting in the formula of the area, we have:

125 =a * b\\

125=\frac{5}{3}b*b

Clearing b:

3 * 125 = 5 * b ^ 2

\frac{375}{5}= b ^ 2

75 = b ^ 2

b =\sqrt{75}b = 8.7 units

Substituting and clearing:

125 = a * 8.7

a =\frac{125}{8.7}

a = 14.4units

So, the sides are:

a = 14.4units

b = 8.7units

Answer:

a = 14.4units

b = 8.7units


7 0
3 years ago
Nine fever than half a number is five more than four times the number
gogolik [260]
9-1a/2 = 5+4a
-5         -5

4-1a/2 = 4a
  +1a/2   +1a/2

4 = 9a/2
*2   *2

8 = 9a
/9   /9

8/9 = a

HOPE THIS HELPS!!!
5 0
3 years ago
Choose the following ratios as a percent: 20 correct out of 25 problems<br> 25%<br> 80%<br> 20%
lions [1.4K]
20/25 * 4 = 80/100 = 80%
8 0
3 years ago
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