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3 years ago

9

Lydia was out at a restaurant for dinner when the bill came. Her dinner came to $30. After adding in a tip, before tax, she paid

$34.50. Find the percent tip.

2 answers:

Zielflug [23.3K]3 years ago

5 0

Answer:

15%

Step-by-step explanation:

Gwar [14]3 years ago

4 0

Answer:

is 16.75

Step-by-step explanation:

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−3x(−4x+x)−x(−x−2x)−4x(4x+3x)

777dan777 [17]

Answer:

$- 3x( - 4x + x) - x( - x - 2x) - 4x(4x + 3x) \\ \\ = 12 {x}^{2} - 3 {x}^{2} + {x}^{2} + 2 {x}^{2} - 16 {x}^{2} - 12 {x}^{2} \\ \\ = - 16{x}^{2}$

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2 years ago

A community college bookstore has a fixed monthly operating cost of $16,495 for salaries, their building, and taxes. The books t

skad [1K]

Answer:

$143,370 per month

Step-by-step explanation:

16495 + 8.75(14500) = x

16495 + 126875 = x

143370 = x

Answer: $143,370 per month

Hopefully this is right

7 0

4 years ago

A lasagna recipe uses 1 2/4 teaspoon basil 1/4 teaspoon pepper and 4 teaspoons parsley if you double the recipe how many teaspoo

Nimfa-mama [501]

Answer:

11 1/2 teaspoons

Step-by-step explanation:

1 2/4 basil= 1.5 tsp If you multiply this by two to double the recipe you will have 3 teaspoons of basil.

1/4*2= 2/4 pepper

4*2=8 parsley

After you double everything you need to add them together:

3+2/4+8

Which brings you to the final answer of 11 2/4 teaspoons or if you simplify it.... 11 1/2 teaspoons

6 0

3 years ago

Is y=9x proportinal?

igor_vitrenko [27]

Answer:

yeah it is

y is directly proportional to x

proportionality constant is 9

7 0

3 years ago

Write 600 as the product of prime factors.<br> Give your answer in index form.

slava [35]

Answer:2³×3×5²

Step-by-step explanation:

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3 years ago