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3 years ago

Please need help with one. I did it the first time and I know it’s not B

Mathematics

1 answer:

ludmilkaskok [199]3 years ago

4 0

Answer:

$14.89

Step-by-step explanation:

Retail store = $10 x 5 hrs = $50

Restaurant Manager = $21 x 4 hrs = $84

Total earnings throughout the day = $134

Total time worked = 9 hrs

Avg = Total earnings/Total time

=> 134/9

=> $14.89.

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tensa zangetsu [6.8K]

Answer:

1462/58

=25.21

Step-by-step explanation:

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5 0

2 years ago

Read 2 more answers

What is each number in scientific notation 0.0000855 855,000

Pie

8.55 * 10^-5
8.55 * 10^5

8 0

3 years ago

Solve for x PLS HELP NOW

Zepler [3.9K]

Answer:

$x=70$

General Formulas and Concepts:

Pre-Alg

Order of Operations: BPEMDAS
Equality Properties

Step-by-step explanation:

Step 1: Define equation

$\frac{0.35}{\frac{2}{3}x } =\frac{0.45}{x-10}$

Step 2: Solve for x

Cross-multiply: $0.35(x-10)=\frac{2}{3} x \cdot 0.45$
Distribute 0.35: $0.35x - 3.5=\frac{2}{3} x \cdot 0.45$
Multiply: $0.35x - 3.5=0.3x$
Isolate x term: $-3.5=-0.05x$
Isolate x: $70=x$
Rewrite: $x=70$

Step 3: Check

Plug in x to verify it's a solution.

Substitute: $\frac{0.35}{\frac{2}{3}(70) } =\frac{0.45}{70-10}$
Multiply: $\frac{0.35}{\frac{140}{3} } =\frac{0.45}{70-10}$
Subtract: $\frac{0.35}{\frac{140}{3} } =\frac{0.45}{60}$
Evaluate: $0.0075=0.0075$

7 0

3 years ago

Read 2 more answers

If g(x) = 3x + 8, evaluate g(2)

Mkey [24]

Answer:

g(2) = 14

Step-by-step explanation:

g(x) = 3x + 8

g(2) = 3(2) + 8

g(2) = 14

g(2)=14 Hope this helps

7 0

3 years ago

The average speed of a car is three times as fast as the average speed of a cyclist. to travel 225 km, the cyclist requires 5 h

Bumek [7]

Average speed of cyclist = x
average speed of car = 3x

x = 225/5
x = 45km/h

3x = 3(45)
3x = 135km/h

average speed of cyclist = 45km/h
average speed of car = 135km/h

6 0

3 years ago