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Vera_Pavlovna [14]
3 years ago
6

Charles can do a job in 1 hour, Bill can do the same . . job in 2 hours, and Bob can do the job in 3 hours.. . How long does it

take them to do the job working. . together?
Mathematics
1 answer:
abruzzese [7]3 years ago
6 0
It would take 2 hours because of the average of 3 plus 2 plus 1 divided by 3

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leonid [27]
<h3>Answer: Choice 2)  sin(B) = cos(90-B)</h3>

Explanation:

The rule is that

sin(A) = cos(B)

if and only if A+B = 90.

Solving for A gets A = 90-B

So we end up with

sin(90-B) = cos(B)

which is the same as

cos(B) = sin(90-B)

5 0
3 years ago
What is the next fraction in this sequence? Simplify your answer. 3/4, 1/4, 1/12, 1/36
antiseptic1488 [7]
Hey their,

3/4 
1/4
1/12
1/36
0/60

The pattern is -1/x every 2 +x/8 

How i got this was 36/12=3
3*12=36
so 60-36=24
24x3/2+24=60
then 60/5=12

Hopethis helped


7 0
3 years ago
Each patron pays an annual fee of $36 to the library. If the library collects $20,304 from the annual fee, how many patrons are
choli [55]

Answer:

564 patrons.

Step-by-step explanation:

20,304/36 = 564

5 0
2 years ago
He;lp The formula for the area of a circle is A = πr2, where A = area and r = radius.
kogti [31]

Answer:

5

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
The circumference of the bike tire above is 82.896 inches. What is the radius of the bike tire? Use = 3.14.
Lemur [1.5K]
Circumference = 2 x radius x pie (3.14)

<span>82.896 = 2 x 3.14 x r </span>
<span>82.896 = 6.28 x r </span>
<span>r = 82.896 / 6.28 </span>
<span>r = 13.2 

hoepfully this answer helps you</span>
3 0
3 years ago
Read 2 more answers
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