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ELEN [110]
1 year ago
9

X/6 + 4 = 15 what does x equal? What is x?

Mathematics
2 answers:
astraxan [27]1 year ago
8 0

Answer:

x=66

Step-by-step explanation:

x/6 +4=15

or, x+24/6=15

or,x+24=90

or,x=90-24

Hence, x=66

Umnica [9.8K]1 year ago
4 0
Hello there! x = 66.

x/6 + 4 = 15

This means that since 15 - 4 = 11, x/6 = 11.

Given the two numbers and a variable, we can multiply:

6 x 11 = 66

66/6 = 11

Therefore, x = 66

Hope this helps!
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3 years ago
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The Lewis family and the Martin family each used their sprinklers last summer. The water output rate for the Lewis family's spri
MrRa [10]

Answer:

Martin family: 20 hours

Lewis family: 35 hours

Step-by-step explanation:

Let's say that the Lewis family sprinklers were out for L hours and the Martin family's sprinklers were out for M hours. We know that for each hour that the Lewis family sprinkler was on, 30L of water was put out. We can thus write the Lewis family sprinkler water output as 30L per each hour of L = 30 * L. Similarly, the Martin family sprinkler water output = 15 * M .

We know that the total hours for the sprinklers is 55, so L + M = 55. The total water output for the sprinklers is the sum of the sprinkler outputs, so 30 * L + 15 * M = 1350

L + M = 55

30 * L + 15 * M = 1350

One way to solve this would be to solve for L in the first equation and substitute that into the second

subtract M from both sides in the second equation

55 - M = L

30 * (55-M) + 15 * M = 1350

30 * 55 - 30 * M + 15 * M = 1350

1650 - 15M = 1350

subtract 1650 from both sides to isolate the M and its coefficient

-15M = -300

divide both sides by -15 to isolate M

M = 20

L = 55-20 = 35

6 0
3 years ago
There are 5/6 jugs of water and 3/10 of the water are for the other runners. How many jugs of water is there
Whitepunk [10]

Answer:

8/15 left

Step-by-step explanation:

Given data

We want to perform subtraction operation on fractions

Total number of water= 5/6

we are told that 3/10 are for other runners

Hence the number of water left is

=5/6-3/10

=50-18/60

=32/60

=8/15

Hence there are 8/15 left

8 0
2 years ago
Please help me need to revise for a testtt!!!!
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3a-5a+2w-9w
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3 0
2 years ago
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What is 910÷15 ?
Illusion [34]

Answer:

60.666667

Step-by-step explanation:

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