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3 years ago

Which sum or difference is equivalent to the following expression 3x-2/9

Mathematics

1 answer:

aleksandr82 [10.1K]3 years ago

7 0

Answer:

The answer is the first one 1/3X-2/9

Step-by-step explanation:

The answer is the first one because when you apply the distributive property with the 9 division, you get the exact same number as the first option

(3x-2)÷9== (3÷9)X-(2÷9)---> 1/3X-2/9

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What equals 39 by multiplying 10 ?

qwelly [4]

You can just do the inverse operation. 39 divied by 10 = 3.9

so 3.9 *10 =39

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3 years ago

What is the slope of a line between the points (-4,-3) and (4, -2)?

Mashcka [7]

Answer:

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Step-by-step explanation:

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after simplifying your answer would be 1/8

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3 years ago

Find the solution(s) to 22 +57-3 = 0. Check all that apply.

irakobra [83]

Answer:

x = -3 and x = 1/2

Step-by-step explanation:

To find the solutions to

2x² + 5x - 3 = 0

we can use the quadratic formula, as follows:

$x = \frac{-b \pm \sqrt{b^2- 4(a)(c)}}{2(a)}$

$x = \frac{-5 \pm \sqrt{5^2- 4(2)(-3)}}{2(2)}$

$x = \frac{-5 \pm 7}{4}$

$x_1 = \frac{-5 + 7}{4}$

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$x_2 = \frac{-5 - 7}{4}$

$x_2 = -3$

8 0

3 years ago

Describe how you would get to point (4,-3)

m_a_m_a [10]

The answer is c, right 4 down 3

8 0

3 years ago

A triangle has sides of length 2, 2, and 3. Which of the following is the measure of the obtuse angle of the triangle?

kramer

Answer:

$97.18^{\circ}$

Step-by-step explanation:

An obtuse angle in the triangle is opposite to the greatest side. The greatest side in the triangle with sides lengths 2, 2 and 3 is side with length 3. By the cosine rule,

$3^2=2^2+2^2-2\cdot 2\cdot 2\cdot \cos \alpha,\\ \\9=4+4-8\cos \alpha,\\ \\-8\cos \alpha=9-4-4=1,\\ \\\cos \alpha=-\dfrac{1}{8},\\ \\\alpha\approx 97.18^{\circ}.$

7 0

4 years ago