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sammy [17]
3 years ago
9

Solve the equation below for x. cx-4=7 PLZ ANSWER SOON

Mathematics
2 answers:
kiruha [24]3 years ago
6 0
Cx-4=7

add 4 on both sides

cx=11

divide c on both sides

x = \frac{11}{c}
Furkat [3]3 years ago
3 0

Answer:

x=\frac{11}{c}

Step-by-step explanation:

We have been given the equation cx-4=7

We have to eliminate 4 from the left hand side of the equation. Since, 4 is in subtraction hence, add 4 to both sides to eliminate 4.

cx-4+4=7+4\\\\cx=11

Now, we have to eliminate c. Since, c is in multiplication with x hence, divide both sides by c

\frac{cx}{c}=\frac{11}{c}\\\\x=\frac{11}{c}

Therefore, the value of x is x=\frac{11}{c}

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If a car is depreciated in four years, what's the rate of depreciation using twice the straight-line rate?
Ulleksa [173]

Answer:

The rate of depreciation is 50%

Step-by-step explanation:

We are given

a car is depreciated in four years

so, depreciation in 1 year is

=\frac{1}{4}

the rate of depreciation using twice the straight-line rate

so, we will multiply by 2 and then we can find rate of depreciation

so, rate of depreciation is

=2\times \frac{1}{4}\times 100

=50%


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4 years ago
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3 years ago
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3 years ago
By rounding each number to 1sf estimate the answers to 8.2*6.7/ 0.46
LiRa [457]

Answer:

Please check the explanation.

Step-by-step explanation:

Given the function

8.2\times \frac{6.7}{0.46}

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