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lana [24]
2 years ago
5

The sum of 20 and twice Vidya's height

Mathematics
1 answer:
Rus_ich [418]2 years ago
8 0

Answer:

Vidya has the height of 20/3, and the person twice Vidya's height has the height of 40/3

Step-by-step explanation:

Vidya's height and another subject, let's name him Xander, or X, has the sum of 20.

V (Vidya) + X (Xander) = 20

X = 2V

X/2 = V

Let's replace the "V" with an X!

X/2 + X = 20

Now I'm multiplying it by 2 to get rid of fractions.

X + 2X = 40

3X = 40

X = 13 1/3

Xander has the heigh of 13 1/3 or 40/3

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Answer:

3/7

Step-by-step explanation:

its 3/7 because there are 3 weekend days and there are 7 days in total in one week, so out of the week there is 3 weekend days.

i hope this helps :)

6 0
3 years ago
Put -4, 6.2,18 1/2, -5.9,21, -1/4 and 1.75 is greatest to least order
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Suppose you spin a spinner that is equally likely to land on any one of the numbers from 1 to 8. What are the odds in favor of l
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8 0
2 years ago
Answer fast ..................​
Kitty [74]

Answer:

Please check the explanation.

Step-by-step explanation:

Ascending Order:

When we talk about the numbers to be arranged in ascending order, it means the numbers need to be arranged from smallest to largest.

For example, if we have to arrange the numbers from 1 to 5 in ascending order.

It means, the ascending order will be: 1, 2, 3, 4, 5

Now, let us arrange the given numbers in ascending order.

a) 2234 to 2238         2234          2235            2236          2237          2238

b) 4099 to 4103          4099          4100             4101            4102          4103

c) 3298 to 3302          3298          3299            3300         3301           3302

d) 7269 to 7273          7269          7270            7271            7272          7273

e) 6354 to 6358          6354           6355           6356           6357          6358

f) 8379 to 8383           8379           8380            8381           8382          8383

g) 7365 to 7369          7365           7366           7367           7368          7369

5 0
3 years ago
Somebody please help! Marked Brainliest!
olga nikolaevna [1]

Answer:

Part A:

The surface area of a cylinder is given by

A=  6πr² if h= 2r

Part B:

Total Cost of covering the cylinder = Rate *2πrh + rate*2πr²

Cost of covering only the side = Rate *2πrh

Step-by-step explanation:

Part A:

The surface area of a cylinder is given by

A= 2πrh + 2πr²

Where h= height and radius = r

But we have the height twice as radius so h= 2r

So putting h= 2r we get

A= 2πr(2r) + 2πr²

A= 4πr² + 2πr²= 2πr²(2+1) = 2πr²(3)= 6πr²

Part B:

Cost = Rate * area of the wall + rate * area of the top and bottom

Cost = Rate *2πrh + rate*2πr²

Where area of the top and bottom= πr² +πr² =2 πr²

and area of the side = 2πrh

Multiplying both with the rate and then adding would give the total cost of materials needed to cover the outside of the cylinder and from top and bottom as well.

If  you do not need to cover top and bottom then the expression would be

Cost of covering only the side = Rate *2πrh

Part C:

Already done above.

4 0
3 years ago
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