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rosijanka [135]

3 years ago

11

I'm calculaing tip and tax on a total cost. Do I need to add th tax to the total, then calculate tip, or calcualte tip on the or

iginal cost?

1 answer:

Usimov [2.4K]3 years ago

4 0

You would need to calculate the original cost with the tax then find the tip because the tip is always a percent out of the total cost including tax

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In 1 hr, a plane can travel 440 mi into the wind and 480 mi with the wind. Find the wind speed and the rate of the plane in stil

nexus9112 [7]

Answer:

the plane would fall and crash at 150mph

Step-by-step explanation:

8 0

3 years ago

Expand: x(3 + 9). please

Oksi-84 [34.3K]

Answer:

x(3 + 9) = 3x + 9x = 12x

Step-by-step explanation:

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8 0

3 years ago

Rewrite in simplest rational exponent form √x • 4√x. Show each step of your process.

Vikentia [17]

Step-by-step explanation:

$= \sqrt{x} .4 \sqrt{x}$

$= {x}^{ \frac{1}{2} } \times 4 {x}^{ \frac{1}{2} }$

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4 0

3 years ago

Please help me simplify these expressions

Archy [21]

Answer:

Step-by-step explanation:

If base of variable is same, add the powers

1) x² * x * x³ * x⁵ = x²⁺¹⁺³⁺⁵ = x¹¹

2) -2n² * -n⁴ * 5n³ = (-2* -1* 5 ) *n²⁺⁴⁺³ = 10n⁹

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5 0

3 years ago

Read 2 more answers

A bike rental shop rents out bicycles with a flat rate of $6 and then charges $2 per hour a person rents out the bike. Identify

DIA [1.3K]

Answer:

Independent Variable: Number of hours

Dependent Variable: Cost

Equation: C = 2x + 6

Step-by-step explanation:

The independent variable (x) is the variable that is manipulated. In this instance, that would be the number of hours a person rents out the bike.

The dependent variable (C) is the variable that is manipulated depending on the value of the independent variable. In this instance, that would be the total cost for renting the bike.

The total equation would be C = 2x + 6. The coefficient, 2, represents the charge of $2 per hour and the 6 represents the starting charge of $6.

6 0

3 years ago