2 years ago

Rearrange the following equation to solve for x. y=1/2x+10

1 answer:

6 0

In order to solve this we must first,

Subtract both sides of the equation by 10,
y-10=1/2x

Now we have to multiply both sides by 2 so that only x is left.

2y-20=x

Therefore, x=2y-20

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fenix001 [56]

Move all the logarithms on the left hand side, and all the constants on the other:

$\log_2(x-2) - \log_2(x) = -1$

Use the rule of logarithms

$\log_a(b) - \log_a(c) = \log_a\left(\dfrac{b}{c}\right)$

To rewrite the equation as

$\log_2\left(\dfrac{x-2}{x}\right) = -1$

Evaluate 2 to the power of each side:

$\dfrac{x-2}{x} = 2^{-1} = \dfrac{1}{2}$

Multiply both sides by 2x:

$2(x-2) = x \iff 2x-4 = x \iff x = 4$

6 0

3 years ago

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A beach ball has a radius of 9 inches. find the volume of the beachball, in cubic inches and round the answer to the nearest who

lesya692 [45]

V=4/3pi(r^3)
V=4/3pi(9^3)
V=3,054 inches^3

Think this is right

7 0

2 years ago

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Solve for d.<br> -4d + 7 = 3d

STALIN [3.7K]

Step-by-step explanation:

The Answer Is

-4d + 7 = 3d

So, 7 = 3d + 4d

Then, 7 = 7d

•d = 7/7

= 1

So D = 1.

4 0

2 years ago

5.6 x N= 2.24 N=? Please help

dlinn [17]

Answer:

N = -3.36

Step-by-step explanation:

5.6 x N= 2.24

-5.6 -5.6

N= -3.36

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2 years ago

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Select the correct answer from each drop-down menu. Wayne and Winston collect old coins. Winston has 8 fewer coins than Wayne ha

maria [59]

Answer:

is it timetable just wanna know an i help

Step-by-step explanation:

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2 years ago

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