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Norma-Jean [14]
2 years ago
7

Work this out by giving your answer as a fraction 2/3 - 1/2

Mathematics
2 answers:
suter [353]2 years ago
7 0

When subtracting fractions, you need to make sure the denominators are the same. In 2/3 - 1/2, the denominators are different. To make them the same, find the least common denominator. In this case, the common denominator is 6

2/3 becomes 4/6

1/2 becomes 3/6

Now subtract the fractions with the common denominator

4/6 - 3/6 = 1/6

The answer is 1/6

Hope this helps. Please mark me as Brainliest. Thanks!

Hoochie [10]2 years ago
6 0

Answer:

7/6 or 1 1/6

Step-by-step explanation:

First, multiply both denominators so that they are both the same and equal each other. In this case that number is 6. Once they are both have the same denominator, you can add the numerators and keep the same denominator since it's the same thing. So you would add 4 plus 3 and get 7 as your numerator and keep 6 as your denominator,

2/3 = 4/6

1/2= 3/6

4/6 + 3/6 = 7/6 or 1 1/6

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The length of a rectangle is 3 centimeters less than four times its width. Its area is 10 square centimeters. Find the dimension
Kay [80]

Answer:

W = 2 cm

L = 5 cm

Step-by-step explanation:

A rectangle is a four sided shape with 4 perpendicular angles. It has two pairs of parallel sides which are equal in distance: width and length. Its area, the amount of space inside it, can be found using the formula A = l*w. If the area is 10 cm² and the length is "3 cm less than 4 times the width" or 4w - 3, you can substitute and solve for w.

A = l*w

10 = (4w - 3)(w)

10 = 4w² - 3w

Subtract 10 from both sides to make the equation equal to 0. Then solve the quadratic by quadratic formula.

4w² - 3w - 10 = 0

Substitute a = 4, b = -3 and c = -10.

w = \frac{3 +/- \sqrt{(-3)^2 - 4(4)(-10)} }{2(4)} = \frac{3 +/- \sqrt{9 +160)} }{8} =  \frac{3 +/- \sqrt{169} }{8} = \frac{3+/-13}{8}

There are two possible solutions which can be found.

3 + 13 / 8 = 16/ 8 = 2

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3 years ago
30 pts!
just olya [345]
<span>1: 8^-2 = 1 / 8^2 = 1/64

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3 years ago
1.1x + 1.2x - 5.4 = -10
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2 years ago
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Answer:

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Step-by-step explanation:

knowing that:

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