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3 years ago

How do I do this ( answer please )

Mathematics

1 answer:

Dmitry_Shevchenko [17]3 years ago

8 0

Answer:

I think see what circuit is connected to the light

Step-by-step explanation:

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What is 2/9 = 4/x+8 i dont get this fraction solving

Dmitriy789 [7]

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$\frac{2}{9} = \frac{4}{x + 8} \\$

$\frac{4}{x + 8} = \frac{2}{9} \\$

Inverse both sides

$\frac{x + 8}{4} = \frac{9}{2} \\$

Multiply sides by 4

$4 \times \frac{x + 8}{4} = 4 \times \frac{9}{2} \\$

$x + 8 = 2 \times 9$

$x + 8 = 18$

Subtract sides 8

$x + 8 - 8 = 18 - 8$

$x = 10$

Done...

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3 0

2 years ago

(3t^2+1)-t^2. How do you do this equation and what’s the answer. Algebra 1.

Oksana_A [137]

2t^2+1

Subtract t^2 from 3t^2 you get 2t^2

which is 2t^2+1 answer

3 0

3 years ago

Write the equation of the line that has a slope of -2 and goes through the point (-3,4).

liubo4ka [24]

SOLUTION:

General Equation: y = mx + b

Substitute slope = -2 into the equation:

y = -2x + b

Find the y-intercept:

4 = -2(-3) + b

4 = 6 + b

b = -2

Substitute b = -2 into the equation:

y = -2x - 2

Answer: y = -2x - 2

4 0

3 years ago

Read 2 more answers

A system of equations and its solution are given below.

ddd [48]

Answer:

a would be correct

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

Hi, umm pls help 1/6(x-5)=1/2(x+6), solve for x And can you please explain

Mumz [18]

Answer:

By solving the equation $\frac{1}{6}(x-5)=\frac{1}{2}(x+6)$ we found that $x=\frac{23}{2} \text { or }=11 \frac{1}{2}$

Explanation:

Given equation,

$\frac{1}{6}(x-5)=\frac{1}{2}(x+6)$ to find x

Step: 1 Cross multiply the denominators 2(x-5)=6(x+6)

Step: 2 Open brackets and simplify the term 2x-10=6x+36

Step: 3 Bring x terms on one side and simplify the equation the equation obtained is following,

2x-6x=36+10

-4x=46

$-x=\frac{46}{4}=\frac{23}{2}=11 \frac{1}{2}$

Therefore, we solved x value from the given equation $\frac{1}{6}(x-5)=\frac{1}{2}(x+6)$ as $x=\frac{23}{2} \text { or }=11 \frac{1}{2}$ .

4 0

3 years ago