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oee [108]
3 years ago
13

PLEASE HELP ME!!!!!!! I HAVE EITHER 1 OR 2 ATTEMPTS TO GET IT RIGHT!!

Mathematics
1 answer:
Zinaida [17]3 years ago
7 0

You just have to make equal fractions, so if c = 4 that means \frac{a}{5} = \frac{4}{7} so cross multiply to get 7a = 20; divide both sides by 7 to get a = 2.86 and do the same with the other ones

If c = 11 then \frac{a}{5} = \frac{11}{7} cross multiply to get 7a = 55; divide both sides by 7 to get a = 7.86 and so on

The answer is true to the other question

Hope this helps :)

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How i did? In livada sunt 12 mere am cules 6. Cate mera au ramas?
vovikov84 [41]

Answer:

72

Step-by-step explanation:

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there are 5 boxes of markers in the drawer. each box contains 24 markers and more than 60% of the markers are blue markers. Find
yulyashka [42]
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3 years ago
Banu is 20 years older than binu. In 5 years, Banu will be twice as old as binu. Find their present age.
Katarina [22]

Answer:

i think Banu is 40 and Binu is 20

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Read 2 more answers
HELP
Yakvenalex [24]

Answer:

5. 50.3 m²

6. 113.1 cm²

7. 102.1 yards²

8.  50.3 yards²

9.  452.2 ft²

10.379.8 ft²

Step-by-step explanation:

Area of  a circle = nr²

The circumference of a circle = 2nr

n = pi = 22/7

r = radius

the diameter is the straight line that passes through the centre of a circle and touches the two edges of the circle.

A radius is half of the diameter

radius = diameter / 2

5. (22/7) x 4² = 50.3 m²

6.  (22/7) x 6² =113.1 cm²

7. radius = 11.4/2 = 5.7 yards

(22/7) x 5.7² =102.1 yards²

8. radius = 8/2 = 4 yards

(22/7) x 4² = 50.3 yards²

9. 2nr = 75.4 yards

2 x (22/7) x r = 75.4

to find r, divide both sides of the equation by 2 and 7/22

r = 12 ft

Area =  (22/7) x 12² = 452.2 ft²

10. 2nr = 69.1 yards

2 x (22/7) x r = 69.1

to find r, divide both sides of the equation by 2 and 7/22

r = 10.99 ft²

Area = (22/7) x 10.99² = 379.8 ft²

the tenth is the first number after the decimal place. To convert to the nearest tenth, look at the number after the tenth (the hundredth). If the number is greater or equal to 5, add 1 to the tenth figure. If this is not the case, add zero

8 0
3 years ago
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