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2 years ago

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Determine what number to multiply the first equation by to form opposite terms for the x-variable. 2/5 x + 6y = -10 –2x – 2y = 4

0 Multiplying the first equation by will create opposite x terms.

2 answers:

katovenus [111]2 years ago

7 0

Answer: 5

Step-by-step explanation: edge 2021

m_a_m_a [10]2 years ago

6 0

Answer:

5

Step-by-step explanation:

Just finished

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Question 8 of 10 What is sin 30º? 60 2 901 D A B. c.. () E. E )

levacccp [35]

Answer:

A. $\displaystyle \frac{1}{2}$

General Formulas and Concepts:

<u>Trigonometry</u>

[Right Triangles Only] SOHCAHTOA
[Right Triangles Only] sinθ = opposite over hypotenuse

Step-by-step explanation:

<u>Step 1: Define</u>

sin 30°

<u>Step 2: Solve</u>

Since sin is opposite over hypotenuse, we need to find the length of the opposite leg of the angle and the length of the hypotenuse.

Given the triangle and it's values, the opposite leg to the 30° angle is 1 and the hypotenuse is 2.

Substituting it into sin, we have:

sin 30° = 1/2 = 0.5

∴ our answer is A.

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What is the image of (-9,6) after a dilation by a scale factor of 4 centered at the<br> origin?

myrzilka [38]

Answer:

<em>( - 36, 24 ) </em>

Step-by-step explanation:

(- 9, 6) ------> ( - 9×4, 6×4) = <em>( - 36, 24 )</em>

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Convert 50 tons to pounds

Mrrafil [7]

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Read 2 more answers

How to turn 3/9 in to a decimal ? no calculator

Lady_Fox [76]

3/9 reduces to 1/3 (divide both parts by the GCF 3)

Then use long division to divide 1/3

See attached of what I mean

Which is why $\frac{1}{3} \approx 0.3333$

The '3's in 0.333 will go on forever

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