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3 years ago

10

Adam celebrated his eighteenth birthday with friends at a Chinese restaurant. The bill came to $287.69 without tax. The service

was quite good, so he decided to tip the waiter 20 percent.How much is the total bill (excluding tax)?

1 answer:

VARVARA [1.3K]3 years ago

8 0

Answer:61.4

Step-by-step explanation:

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Kamila [148]

Answer:

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Step-by-step explanation:

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3 years ago

Help subtract (xsquared +43x10)-(10xsquared-5x+10 express the answer in standard form

ad-work [718]

Answer:

$\large\boxed{(x^2+43x+10)-(10x^2-5x+10)=-9x^2+48x}$

Step-by-step explanation:

$(x^2+43x+10)-(10x^2-5x+10)\\\\=x^2+43x+10-10x^2-(-5x)-10\\\\=x^2+43x+10-10x^2+5x-10\qquad\text{combine like terms}\\\\=(x^2-10x^2)+(43x+5x)+(10-10)\\\\=-9x^2+48x$

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4 years ago

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3 years ago

If a green light blinks every 4 seconds and a yellow light blinks every 5 seconds. When will both lights blink at the same time?

Andre45 [30]

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Step-by-step explanation:

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4 0

3 years ago

Read 2 more answers

What is the measure of angle A

stellarik [79]

Answer:

The angle of A is 80°

Step-by-step explanation:

Given that angle A lies on a straight line which is 180°. So in order to find A, you have to substract 100° from 180° :

∠A + 100° = 180°

∠A = 180° - 100°

∠A = 80°

4 0

3 years ago