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3241004551 [841]
3 years ago
12

David paints 3 rooms in 7.5 hours at the same pace how long would it take him to paint 15 rooms

Mathematics
1 answer:
Lena [83]3 years ago
5 0

Answer:

22.5 hours long please make brain thx

Step-by-step explanation:

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Find the missing value.
Lynna [10]

Answer:

The answer is -8

Step-by-step explanation:

Hope this helped! Have a great day!

8 0
3 years ago
Read 2 more answers
The Taylor family order a 95-inch turkey and cheese sub from the local deli. They also buy 7 gallons of lemonade. About how many
erma4kov [3.2K]

Given: Here given that the Taylor family order 95 inches of turkey and cheese sub from the local deli.

To find: Here we need to find how many foot long is the turkey and cheese sub.

Solution: We know, 1 inches=0.0833 foot

So, 95 inches=7.9135 foot approximately.

Therefore, 7.9135 foot approximately long is the turkey and cheese sub.

7 0
3 years ago
Jessica and her sister have a combined age of 47. Jessica is 5 years older than her sister. How old is Jessica
maw [93]
Let the sister be x years old.
Then Jessica is x + 5 years old.
Their ages add to 47.

x + x + 5 = 47

2x + 5 = 47

2x = 42

x = 21

x + 5 = 26

Jessica is 26, and her sister is 21.
4 0
4 years ago
PLEASE HELP!!!!!!!!When you use regrouping to multiply two digit numbers why does the second partial product always end in 0?
jarptica [38.1K]
That is the x spot or the non existing spot it is there just to make sure you have the numbers in order right and so the sums for the multiplication equation do not collide
7 0
3 years ago
A lab assistant needs to create a 600 mL mixture that is 3% hydrochloric acid. The
OlgaM077 [116]

Answer:

240 ml of 1.5% solution and 360 ml of 4% solution should be used.

Step-by-step explanation:

Since a lab assistant needs to create a 600 mL mixture that is 3% hydrochloric acid, and the assistant has solutions of 1.5% and 4% in supply at the lab, to determine the number of milliliters of the 1.5% solution and the number of milliliters of the 4% solution that must be used, the following calculations must be performed:

50 x 0.015 + 50 x 0.04 = 0.75 + 2 = 2.75

40 x 0.015 + 60 x 0.04 = 0.6 + 2.4 = 3

600 x 0.4 = 240

Therefore, 240 ml of 1.5% solution and 360 ml of 4% solution should be used.

4 0
3 years ago
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