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goldfiish [28.3K]
2 years ago
15

9.54

Mathematics
1 answer:
damaskus [11]2 years ago
7 0

Answer:

9.5

Step-by-step explanation:

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Cant find the answer
dedylja [7]

Answer:

Carter family = 25 hours

Davis family = 31 hours

Step-by-step explanation:

Let's say the number of hours the Carter family used their sprinkler is x and the number of hours the Davis family used their sprinkler for is y.

So combined:

x + y = 45 hours

and we are also told that:

40x + 15y = 1300 L

So we can do simultaneous equations to solve the problem.

With some rearranging, we can figure out that:

y= 45 - x

and by substituting that into the second equation:

40x + 15 (45 -x) = 40x + 675 - 15x = 1300L

25x = 1300 - 675

25x = 625

x = 25 = hours that the Carter family used their sprinkler

and we can substitute that back into the original equation to find how many hours the Davis family used their sprinkler so:

25 + y = 56

y = 31

The Davis family used their sprinkler for 31 hours whilst the Carter family used their sprinkler for 25 hours.

7 0
1 year ago
What happens if the red lines are NOT parallel. Which angle types are still congruent?(please help)
PtichkaEL [24]

Answer:

If they are not parallel they will cross.

The angle types that are still congruent are the angles that are the same size.

Step-by-step explanation:

Parallel lines never cross but non parallel lines cross.

<h2><u><em>Could I please have BRAINLIEST?</em></u></h2>

5 0
3 years ago
Ellie wanted to know how much her mother spent on groceries weekly, so she saved each week's receipt for a whole year.
Aloiza [94]
Mean or c is the answer
7 0
2 years ago
Read 2 more answers
GUYS AGAIN PLEASE HELP 1 MILLION POINTS, get it wrong i report you!!
Evgesh-ka [11]

Answer:

Sweats heavily , I hope the answer is FALSE

Step-by-step explanation:

Is it right. Please mark Brainliest if is.

4 0
2 years ago
Identify two composite numbers that each have 8 as a factor.
Lemur [1.5K]
Two composite numbers that have 8 as a factor are 16 and 24.
7 0
2 years ago
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