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Anon25 [30]
3 years ago
9

Can anybody helppp meee please

Mathematics
1 answer:
crimeas [40]3 years ago
3 0

Answer:

r^2=(A/pi)

Step-by-step explanation:

if A=pi*r^2 then maybe dividing by pi to get r^2 alone says r^2=(A/pi) or to get rid of the exponent you may square root each side so r=(sqrt(A/pi))

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Simplify this expression <br> (1/3 + 11/12)×2/3
alisha [4.7K]

1/3 = 4/12

(4/12 + 11/12) * 2/3

= 15/12 * 2/3

15/ 12 can also be written as 5/4

5/4 * 2/3 = 10/12

10/12 can be simplified into 5/6

Therefore, the answer is 5/6

5 0
3 years ago
HELPPPPP PLSSSSS
gogolik [260]

Answer:

0.021 < 0.099 < 0.845

Step-by-step explanation:

Given numbers:

  • 0.021, 0.845, and 99/1,000 = 0.099
  • 0.021, 0.845, 0.099

In ascending order:

  • 0.021 < 0.099 < 0.845
8 0
3 years ago
Read 2 more answers
What is an equation of a vertical line that passes through (4,−6).
ra1l [238]

Answer:

I think it would be x = 4

Step-by-step explanation:

4 0
2 years ago
Dana can travel 9 miles in her rowboat in 6 hours against the current. With the current, it takes 4 hours to row the same distan
taurus [48]

Answer: The equations are

6x - 6y = 9

4x + 4y = 9

Step-by-step explanation:

Let x represent the speed of the row boat in still water.

Let y represent the speed of the current.

Dana can travel 9 miles in her rowboat in 6 hours against the current. This means that the total speed at which she travelled is

(x - y) miles per hour.

Distance = speed × time

Distance travelled against the current is expressed as

9 = 6(x - y)

6x - 6y = 9

With the current, it takes 4 hours to row the same distance. This means that the total speed at which she travelled is

(x + y) miles per hour.

Distance travelled with the current is expressed as

9 = 4(x + y)

4x + 4y = 9

7 0
3 years ago
PLS SHOW YOUR REASONING ASAP
Lubov Fominskaja [6]

Answer:

(assuming you are knowledge about Pythagoras theorem)

44.205

Step-by-step explanation:

draw the altitude line to the upper right corner and the lower left corner and you have 2 identical right triangles and a rectangle. If you solve the third side of the right triangles you get 1.685 (sqrt[7.2^2 - 7^2]).

now add up the areas of both triangles and the rectangle in the center whose base is 4.63 (subtract the 3rd side from 8)

you have

1.685(7) + 7(4.63)

7 0
3 years ago
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