2 years ago

What is the answer 2 x + 8= -4

Mathematics

2 answers:

Tamiku [17]2 years ago

6 0

Answer - x = -6

Explanation:

Fantom [35]2 years ago

5 0

Answer:

x=−6

Step-by-step explanationn

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ANSWER

Option D is correct

EXPLANATION

We resolve the forces into component forms.

$F_1 = 400 \cos(30) i + 400 \sin(30) j$

$F_1 = 200 \sqrt{3} i +200j$

Also the second is resolved to obtain,

$F_2= 280 \cos(135) i + 280 \sin(135) j.$

$F_2= - 140 \sqrt{2} i + 140 \sqrt{2} j$

To find the resultant vector, V, We add the corresponding components of the two forces to get:

$V=F_1+F_2$

$\implies \: V = (200 \sqrt{3} - 140 \sqrt{2} )i + (200 + 140 \sqrt{2})j$

The correct answer is D.

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3 years ago

Which are solutions of the linear equation?<br> Select all that apply.<br> 3x + y = -10

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Answer:

3x + y = -10

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In one class the ratio of boys to girls is 5:6 if in this class it has 10 boys how much girls in this class

tigry1 [53]

Answer:

Step-by-step explanation:

5 : 6 = Number of boys to girls

(We have to ×2 to get from 5 to 10 so we must ×2 from 6 to 12)

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10 : 12 = Number of Boys to girls

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I need this equation solved

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Answer:

Step-by-step explanation:

similar triangles are proportional

and add all the sides of the bigger triangle

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Step-by-step explanation:

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