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Mariana [72]
3 years ago
15

If 12 bottles of perfect water weigh a total of 8 kilograms (kg), what is the weight of 15 bottles?

Mathematics
2 answers:
frutty [35]3 years ago
8 0
12 bottles of perfect water weigh = 8kg... so 15 bottles weigh = 15x8/12(cross multiplication) = 10kg. Hope it helps.
Lisa [10]3 years ago
7 0
8 / 12 will give u the amount per bottle

the answer to this is 0.666666667

Now multiply 0.666666667 by 15 to get your answer

your answer is 10
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3 years ago
Omg, I need help! A builder is buying property where she can build new houses. The line plot shows the sizes for each house. 1/6
klemol [59]

Answer:

Average size of the lots = ⅓ acre

Step-by-step explanation:

The question incomplete without specifying what we are to determine.

Question:A builder is buying property where she can build new houses. The line plot shows the sizes for each house. 1/6 has 6 X's 1/3 has 3 X's and 1/2 has 6 X's. Organize the information in a line plot. What is the average size of the lots? _________ acre

Help anyone?

Solution:

We are asked to organize the information in a line plot. See attachment for the line plot.

Given: 1/6 has 6 X's 1/3 has 3 X's and 1/2 has 6 X'sIn no particular order, the sizes of the lots are:1/6, 1/6, 1/6, 1/6, 1/6, 1/6, 1/3, 1/3, 1/3, 1/2, 1/2, 1/2, 1/2, 1/2 and 1/2 acre.

Let's count the number of lot for each size given.

For 1/6: there are 6 X's on the line plot of 1/6 number of lot for 1/6

= the lot × number of times it occurs

= (1/6) × 6 = 6/6 = 1 acre

For 1/3: there are 3 X's on the line plot of 1/3 number of lot for 1/3 = the lot × number of times it occurs

= (1/3) × 3 = 3/3 = 1 acre

For 1/2: there are 6 X's on the line plot of 1/2 number of lot for 1/2

= the lot × number of times it occurs

= (1/2) × 6 = 6/2= 3 acres

To find average size of the lots, we would sum all lot for each given size then divide by the total number of lots given.Sum of all lot for each given size = 1+1+3

Sum of all lot for each given size = 5

The total number of lots given = 15

Average size of the lots = 5/15 = 1/3

Average size of the lots = ⅓ acre

7 0
3 years ago
on Saturday quentin will earn 15.00 more than 2 times the amount of money he earned on Friday. if quentin earned d dollars on Fr
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$15 more, than twice Friday's earnings

d is how much he earned on Friday

s is how much he earned on Saturday

2d + 15 = s

6 0
3 years ago
Which of the following is a solution of x2 + 4x + 25?
blondinia [14]
Solve for x:
x^2 + 4 x + 25 = 0     I ssume that's the notation.
Subtract 25 from both sides:
x^2 + 4 x = -25
Add 4 to both sides:
x^2 + 4 x + 4 = -21
Write the left hand side as a square:
(x + 2)^2 = -21
Take the square root of both sides:
x + 2 = i sqrt(21) or x + 2 = -i sqrt(21)
Subtract 2 from both sides:
x = i sqrt(21) - 2 or x + 2 = -i sqrt(21)
Subtract 2 from both sides:
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5 0
3 years ago
Six added to 3 times a number is equal to 4 less than 5 times the number. What is the number?
harina [27]

Answer:

5

Step-by-step explanation:

Let the number be x.

3x+6=5x-4

3x-5x=-4-6

-2x=-10

2x=10

2x/2=10/2

x=5

The number is 5.

8 0
3 years ago
Read 2 more answers
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