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Alex73 [517]
3 years ago
14

T takes 46 minutes for 10 people to paint 3 walls.

Mathematics
1 answer:
Tasya [4]3 years ago
6 0

Answer:

69 mins

Step-by-step explanation:

46/10=4.6 mins per wall

46/4=11.5 mins per wall

11.5 x 6=69

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Thoko deposited R300 every month into savings account from january 31,2020 until January 2022.How many.How many R300's did Thoko
Semenov [28]

Answer:

25

Step-by-step explanation:

12 months in a year

From 31 January 2020 to 31 December 2020 = 12 months

From 31 January 2021 to 31 December 2021= 12 months

include final January = 1 month

12+12+1=25

8 0
2 years ago
Which of the following numerical expressions results in a negative number? (-21) - (-22) (-13) - (-8) 15 - (-7) - 19 (-37) - (-4
Viktor [21]

Answer:

-13 + 8 = -5 (negative number)

Step-by-step explanation:

1.  

(-21) - (-22)

-21 + 22 = 1 (positive number)

2.

(-13) - (-8)

-13 + 8 = -5 (negative number)

3.

15 - (-7) - 19

15 + 7 - 9

22 - 9 = 13 (positive number)

4.

(-37) - (-45)

-37 + 45 = 8 (positive number)

Hope this helps!

4 0
2 years ago
Can U help picture up there
rosijanka [135]
What picture are you talking about ?
6 0
2 years ago
I need help showing my answer -7/12 + 1/2
anyanavicka [17]

Answer  -1/12

Step-by-step explanation:

-7/12 + 1/2 cannot be added until you change 1/2 into 6/12.

To change 1/2 to 6/12, you have to multiply 1/2 by 6 because you want the same denominator. Since you can't just make a whole new fraction by changing the denominator, you have to multiply the numerator by 6 as well.

After changing the fraction, you should get -7/12 + 6/12.

now you can just add the numerators and denominators together and get -1/12!

4 0
3 years ago
Jerry's team has played 8 games of basketball. During those 8 games his team scored 59, 66, 56, 63, 42, 55, 62 and 51. What is t
zavuch27 [327]

Answer:

To calculate the mean of a set of data, you have to work out the sum of the data (in this case, you need to work out the sum of all the points) and divide it by the number of data points there are (in this case, number of games played).

So you have to do:

(67 + 45 + 84 + 55 + 73 + 36 + 80 + 62 + 38)/9 = 60

The mean number of points is 60.

Step-by-step explanation:

please mark as brainiest

8 0
3 years ago
Read 2 more answers
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