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german
2 years ago
5

Add and Subtract the fractions below: 1/3 and 1/4

Mathematics
1 answer:
Alex2 years ago
6 0

Addition Answer: 1/3 + 1/4 = 4/12 + 3/12 = 7/12

Subtraction Answer: 1/3 - 1/4 = 4/12 - 3/12 = 1/12

Step-by-step explanation:

Basically, find the greatest common multiple of 3 and 4.  Once you do this, then you can multiply across and solve any fraction problem!

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AC=4, AE=7, AD=10, what is the length of AB? <br> A: 1 3/7 <br> B: 2 1/2<br> C: 5 5/7<br> D: 17 1/2
11Alexandr11 [23.1K]

Answer:

C. AB = 5\frac{5}{7}

Step-by-step explanation:

When two polygons are considered similar, the ratio of their corresponding sides would also be equal.

Since ∆ABC and ∆ADE are similar, \frac{AE}{AC} = \frac{AD}{AB}

\frac{7}{4} = \frac{10}{AB}

Cross multiply

7*AB = 10*4

7*AB = 40

Divide both sides by 7 to find AB

\frac{7*AB}{7} = \frac{40}{7}

AB = \frac{40}{7}

AB = 5\frac{5}{7}

6 0
3 years ago
(23 + ) + 19 = 23 + ( + 19)
Tpy6a [65]
I think it should be 42
6 0
3 years ago
Please only answer if you're 100% sure it's correct. Thank you. (It's pretty easy.)
Julli [10]

Answer:

2x-7, 2x-7=14, 2+7

Step-by-step explanation:

I am 99% sure these are correct

7 0
3 years ago
Convert 40.64 centimeters to inches. [Type your answer as a number.] 1 inch ≈ 2.54 centimeters
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4 years ago
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The weight, in grams, of eight different kiwis was used to create the box plot shown above. Which of the sets of numbers below m
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Answer:

Step-by-step explanation:

The answer is d because 75 is the medain of the kiwi fruit

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3 years ago
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