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Rainbow [258]
3 years ago
8

Can someone please help me with the 2 questions below. (they go together)

Mathematics
1 answer:
il63 [147K]3 years ago
6 0

Answer:

r=√(A/π)

r=2.8

Step-by-step explanation:

We want to get (r) alone on one side

A=πr^2

divide each side by π

A/π=r^2

square root each side

√(A/π)=r

r=√(A/π) is the answer to your first question.

now we are given A

r=√((25)/3.14)

put the left side into a calculator

r=2.8216632

round to nearest tenth of a centimeter

r=2.8

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0.2-4.5x
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8 0
3 years ago
This season, the probability that the Yankees will win a game is 0.48 and the probability that the Yankees will score 5 or more
gavmur [86]

Answer:

0.33

Step-by-step explanation:

We can think of this in tems of a venn diagram.

We have a rectangle, which represents the probabilities combined, which is 1.

Then we have two interlocking circles, the first representing the probability the yankees win, the second representing the probability the yankes score 5 or more runs, and the overlap representing the probability of both.

Therefore, the probability of losing and scoring less than 5 runs must be the area outside the circles but inside the rectangle.

The union of 'winning' and 'scoring 5 or more runs' is equal to the sum of the probability of either, minus the probability of both, which is 0.48+0.57-0.38 = 0.67.

Therefore the probability neither happen is 1-0.67 = 0.33

3 0
3 years ago
Drew wants to wallpaper his bedroom. The room is 10 ft long, 12 ft wide, and 8 ft tall. How many square feet of wallpaper does h
olganol [36]

Answer:

you have four walls. two of them 12*8 and the other two are 10*8 ( we used 8 in both because it's the height of the room). so it goes( 2*12*8)+(2*10*8) and it goes 352S

Step-by-step explanation:

let's say that walls A 12*8 and walls B 10*8. you have 4 walls ta wallpaper.

for walls A= 2*12*8=192

for walls B=2*10*12=160

in total, you need 160+192= 352 square feet of wallpaper

7 0
3 years ago
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natali 33 [55]

Answer:

Hi

Step-by-step explanation:

6 0
3 years ago
What does X equal in 4x+1=5x-4
weeeeeb [17]

Answer:

x = 5

Step-by-step explanation:

4x - 5x + 1 = -4

4x - 5x = -4-1

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Hope this helped

Brainliest is Appreciated.

5 0
3 years ago
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