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inessss [21]
3 years ago
10

Sue drank 2/5 of her water bottle and sally drank 4/10 of her water bottle how much water did both girls drank?

Mathematics
1 answer:
stealth61 [152]3 years ago
3 0

well, clearly the LCD from the denominators of 5 and 10 is just 10, thus

\bf \stackrel{\textit{Sue}}{\cfrac{2}{5}}+\stackrel{\textit{Sally}}{\cfrac{4}{10}}\implies \stackrel{\textit{LCD of 10}}{\cfrac{(2)2~~+~~(1)4}{10}}\implies \cfrac{2+4}{10}\implies \cfrac{6}{10}\implies \stackrel{\textit{simplified}}{\cfrac{3}{5}}

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1/3 + 1/4 + 1/6<br> PLEASE SHOW WORK, thank you
Dovator [93]

Answer:

3/4

Step-by-step explanation:

1/3 + 1/4 + 1/6

notice that the denominators consists of the numbers 3, 4 and 6 and that the lowest common multiple for all 3 numbers is 12, hence all these fractions can be expressed with a denominator of 12

i.e

1/3 = 4/12

1/4 = 3/12

1/6 = 2/12

hence,

1/3 + 1/4 + 1/6

= 4/12 + 3/12 + 2/12

= (4+3+2) / 12

= 9/12  (simply)

= 3/4

3 0
2 years ago
Read 2 more answers
Hannah works at the mall selling book bags. She sold 35 book bags in 5 hours. How many book bags did she sell per hour?
erma4kov [3.2K]

Answer:

7 bags per hour

Step-by-step explanation:

To determine how many bags she sells per hour

Take the total number of bags and divide by the number of hours

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7 bags per hour

5 0
2 years ago
The points (-7,-1) and (-8,6) fall on a particular line. What is its equation in point-slope form?
Arisa [49]

Answer:

y - 6 = -7(x + 8)

Step-by-step explanation:

Slope: m = (y2-y1)/(x2-x1) = (6 - -1)/(-8 - -7) = (6 + 1)/(-8 + 7) = 7/-1 = -7

Point-slope form: y - 6 = -7(x - -8)

=> y - 6 = -7(x + 8)

3 0
2 years ago
Fie trapezul ABCD dreptunghic in A, BC||AD,CD=12, m unghiului BCD=60°, BC=2AD.
Step2247 [10]
B is the correct answer i think
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3 years ago
Two more than a certain membership is 15 less than twice the number
kompoz [17]
2+x = 2x -15
2+15=2x - x
17 = x
4 0
2 years ago
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