3 years ago

Someone please explain... I’m not sure how to do this

Mathematics

1 answer:

Goryan [66]3 years ago

6 0

Answer:

60 degree

Step-by-step explanation:

that sign denotes equilateral triangle.

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The answer
5
Explanation
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3 years ago

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Answer:

Transversal and Consecutive

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3 years ago

Round up to the nearest hundredth

Shalnov [3]

$x^2+3x-5=0\\\\a=1;\ b=3;\ c=-5\\\\b^2-4ac=3^2-4\cdot1\cdot(-5)=9+20=29\\\\x_1=\dfrac{-b-\sqrt{b^2-4ac}}{2a};\ x_2=\dfrac{-b+\sqrt{b^2-4ac}}{2a}\\\\x_1=\dfrac{-3-\sqrt{29}}{2\cdot1}=\dfrac{-3-\sqrt{29}}{2}\approx-4.19\\\\x_2=\dfrac{-3+\sqrt{29}}{2\cdot1}=\dfrac{-3+\sqrt{29}}{2}\approx1.19$

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4 years ago

Help which expression represents the phrase 8 less than the product of 6 and a number x

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Answer:

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Step-by-step explanation:

Just write what you see by the letters

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4 years ago

What is the value of x in the equation 3 X- 3 8 5 X2

gizmo_the_mogwai [7]

Answer:

x = 1

Step-by-step explanation:

$\frac{1}{2} x - \frac{3}{4} = \frac{3}{8} - \frac{5}{8} x \\ \\ \frac{1}{2} x + \frac{5}{8} x = \frac{3}{8} + \frac{3}{4} \\ \\ \frac{1 \times 4}{2 \times 4} x + \frac{5}{8} x = \frac{3}{8} + \frac{3 \times 2}{4 \times 2} \\ \\ \frac{4}{8} x + \frac{5}{8} x = \frac{3}{8} + \frac{6}{8} \\ \\ \frac{4 + 5}{8} x = \frac{3 + 6}{8} \\ \\ \frac{9}{8} x = \frac{9}{8} \\ \\ x = \frac{9}{8} \times \frac{8}{9} \\ \\ x = 1$

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3 years ago