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Diano4ka-milaya [45]
3 years ago
7

The sum of 1/6,2/3 and 1/4 is

Mathematics
2 answers:
Roman55 [17]3 years ago
8 0

Before you add the fractions, make sure they have a common denominator. The LCM of 6, 3, and 4 is 12.

6 \times 2 = 12 \\ 3 \times 4 = 12 \\ 4 \times 3 = 12

Change each fraction so that they have a common denominator.

\frac{1 \times 2}{6 \times 2} = \frac{2}{12}

\frac{2 \times 4}{3 \times 4} = \frac{8}{12}

\frac{1 \times 3}{4 \times 3} = \frac{3}{12}

Now add the 3 fractions:

\frac{2}{12} + \frac{8}{12}  + \frac{3}{12} = \frac{13}{12} \rightarrow 1 \frac{1}{12}

Your answer is 1 \frac{1}{12}

Zigmanuir [339]3 years ago
5 0
The answer is 13/12 or 1 1/12

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Substitute the values for a, b, and c into b2 – 4ac to determine the discriminant. Which quadratic equations will have two real
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Answer: 0=2x^2-7x-9\\0=4x^2-3x-1\\0=x^2-2x-8


Step-by-step explanation:

We know that the standard quadratic equation is  ax^2+bx+c=0

Let's compare all the given equation to it and , find discriminant.

1. a=2, b= -7, c=-9

b^2-4ac=(-7)^2-4(2)(-9)=49+72>0

So it has 2 real number solutions.

2. a=1, b=-4, c=4

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3. a=4, b=-3, c=-1

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3 years ago
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The measures of two supplementary angles are (2x – 8)° and (3x - 2)°. What is the measure of the
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Answer:

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Step-by-step explanation:

Here,

  • Two supplementary angles are (2x – 8)° and (3x - 2)°.

As we know that the sum of two supplementary angles are 180°. So,

→ (2x – 8)° + (3x – 2)° = 180°

→ 2x° – 8° + 3x° – 2° = 180°

→ 5x° – 10° = 180°

→ 5x° = 180° + 10°

→ 5x° = 190°

→ x = 190° ÷ 5°

→ <u>x</u><u> </u><u>=</u><u> </u><u>3</u><u>8</u><u>°</u>

Supplementary angles are,

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→ 2(38°) – 8

→ (76 – 8)°

→ 68°

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