3 years ago

Helppppp please i tont get these answers will get brainly i swear

Mathematics

1 answer:

Marrrta [24]3 years ago

5 0

Answer:15-A

Step-by-step explanation:

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Sierra left $17.75 as a tip for a waiter. This was 20% of the bill before the tip. How much was her total bill before the tip

iris [78.8K]

Answer:

$31.95 Before tip.

Step-by-step explanation:

I believe you should just add 17.75+80%=31.95

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2 years ago

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slava [35]

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3 years ago

Solve each equation. Check your solution. 9= 4a + 13 Oa. -16 Ob. -1 c. 1 Od 5

Paha777 [63]

Answer:

b. -1

Step-by-step explanation:

9=4a+13

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3 years ago

Which expression is equivalent to the following complex fraction? (pls help me out)

const2013 [10]

Answer:

B. $\frac{-4x + 7}{2(x - 2)}$

Step-by-step explanation:

Simplify the given expression to determine its equivalent expression in the given options.

$\frac{\frac{3}{x - 1} - 4}{2 - \frac{2}{x - 1}}$

$\frac{\frac{3}{x - 1} - \frac{4}{1}}{\frac{2}{1} - \frac{2}{x - 1}}$

$\frac{\frac{3 - 4(x - 1)}{x - 1}}{\frac{2(x - 1) - 2}{x - 1}}$

$\frac{\frac{3 - 4x + 4}{x - 1}}{\frac{2x - 2 - 2}{x - 1}}$

$\frac{\frac{-4x + 7}{x - 1}}{\frac{2x - 4}{x - 1}}$

$\frac{-4x + 7}{x - 1} * \frac{x - 1}{2x - 4}$

(x - 1) cancels (x - 1)

$\frac{-4x + 7}{1} * \frac{1}{2x - 4}$

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$\frac{-4x + 7}{2x - 4}$

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3 years ago

A store decreases the price of an item from 120 to 90. what is the percent decrease

vampirchik [111]

There is a 25% decrease because the decrease is 30, which is 25% of 120.

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3 years ago