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Alinara [238K]
3 years ago
14

A robot can complete 5 tasks in 2/3 hour. Each task takes the same amount of time.

Mathematics
1 answer:
melisa1 [442]3 years ago
4 0

Answer:

a. 8 minutes

b. 7.5 tasks

Step-by-step explanation:

\frac{2}{3} of an hour is just 40 minutes.

Let's use a ratio:

minutes : tasks

   40      :    5

     8       :    1

   20       :   2.5

   60       :   7.5

a. 8 minutes

b. 7.5 tasks

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Select the correct answer. Solve the equation for x in terms of c. 2/3(cx + 1/2) - 1/4 = 5/2​
Nikolay [14]

Answer:

x = 29/8c

Step-by-step explanation:

2/3(cx+1/2) - 1/4+ 1/4 = 5/2+1/4

2/3(cx+1/2) = 11/4

1/3(cx+1/2) = 11/4 / 2

cx/3 + 1/2/3 = 11/4/2

cx/3 + 1/2*3 = 11/4/2

cx/3 + 1/6 = 11/4/2

cx/3 + 1/6 = 11/4*2

cx/3 + 1/6 = 11/8

cx/3 = 11/8 - 1/6

cx/3 = 29/24

cx = 29/24 * 3

x = 29/8 / c

x = 29/8c

6 0
3 years ago
Find the number, if 5/7 of it is 15
Karolina [17]
Hey there! :D

Divide 15 by the numerator so we can find 1/7.

15/5= 3

3*7= 21

The number is 21. 

I hope this helps!
~kaikers
7 0
3 years ago
Read 2 more answers
Kaden, Keith, and Kipp compete in a series of daily 3-way races. For each race, the probability that Kaden wins is 1/6, the prob
BlackZzzverrR [31]

9514 1404 393

Answer:

  3/5

Step-by-step explanation:

Let a, b, c represent the probability of a win by Kaden, Keith, and Kipp, respectively.

  P(bc' | a') = P(a'bc')/P(a')

  P(bc' | a') = (1/2)/(1 -1/6) = (3/6)/(5/6) = 3/5

The probability is 3/5 that Keith beats Kipp when Kaden doesn't win.

4 0
3 years ago
How do u do this?!?!
soldi70 [24.7K]

Answer:

-9

Step-by-step explanation:

5-p

p=-9

-4 is greater than 5-p

8 0
2 years ago
T-6=8-t<br><br>how do solve? pls include steps
umka2103 [35]
First, add t to each side:
2t - 6 = 8
Add 6 to each side:
2t = 14
Divide both sides by 2:
t = 7

Hope this helps!! :)
8 0
4 years ago
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