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3 years ago

13

Combine like terms to create an equivalent expression. -2/3a + 5/6a - 1/6

1 answer:

Neko [114]3 years ago

4 0

Yup, they were right Combined like terms

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What are 3 equivalent ratios of 2 to 9 (fraction)? (one of them divided and one multiplied)

Sedaia [141]

Answer:

Step-by-step explanation:

$\frac{2}{9}=\frac{2*3}{9*3}=\frac{6}{27}\\\\\frac{2}{9}=\frac{2*4}{9*4}=\frac{8}{36}\\\\\frac{2/2}{9/2}=\frac{1}{4.5}$

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Which type of triangle has these measurements 100 degrees 30 degrees 50 degrees

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An obtuse triangle has those measurements

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3xy^3 + 5- x- 2xy^3= xy^3 +11<br><br> Solve please

snow_lady [41]

Answer:

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3 years ago

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What are the exact solutions of x^2 − 3x − 7 = 0?

bulgar [2K]

<u>Given</u>:

The given equation is $x^{2} -3x-7=0$

We need to determine the exact solutions of the equation.

<u>Exact solution:</u>

The exact solution of the equation can be determined by solving the equation using quadratic formula,

$x=\frac{-b \pm \sqrt{b^2-4ac}}{2a}$

From the equation the values are a = 1, b = -3 and c = -7

Thus, substituting these values in the equation, we get;

$x=\frac{-(-3) \pm \sqrt{3^2-4(1)(-7)}}{2(1)}$

$x=\frac{3 \pm \sqrt{9+28}}{2}$

$x=\frac{3 \pm \sqrt{37}}{2}$

Thus, the exact solutions of the given equation is $x=\frac{3 \pm \sqrt{37}}{2}$

Hence, Option A is the correct answer.

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3 years ago

How to multiply fractions

GREYUIT [131]

You wanna cross out numbers if they can both divide by the same number. then multiply the numbers in the same row together

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