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Alenkinab [10]
3 years ago
12

Write an equation and then solve for x

Mathematics
2 answers:
mezya [45]3 years ago
7 0

Answer:

11x-63=(5x-11)+(2x+20)

x=18

Step-by-step explanation:

external angle Theorem: The external angle is equal the sum of the two other internal angles.

Then we have this equation:

11x-63=(5x-11)+(2x+20)

Solving this:

11x=63+7x+9

4x=72

x=18

Nata [24]3 years ago
4 0

Answer:

(5x-11)+(11x-63)+(2x+20)

Step-by-step explanation:

If you have to solve for it then just add all your like terms into a simplified equation. 18x-54 would be the simplified version

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andrey2020 [161]

Given:

Principal value = 40000

Rate of compounded interest = 20%

Time = 2 years

To find:

The interest.

Solution:

Formula for amount is

A=P\left(1+\dfrac{r}{100}\right)^t

Where, P is principal, r is rate of interest and t is time in years.

Putting the given values, we get

A=40000\left(1+\dfrac{20}{100}\right)^2

A=40000\left(1+\dfrac{1}{5}\right)^2

A=40000\left(\dfrac{6}{5}\right)^2

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A=57600

Now, the formula for interest is

I=A-P

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The greatest number is 70000 and i know because im un fourth grade
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andrezito [222]

Answer:

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