4 years ago

The bill for a meal was $33.75. The customer left $40.00. What percentage of the bill was the tip?

Mathematics

1 answer:

Eva8 [605]4 years ago

6 0

Answer:

It was a 18.5% Tip

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Estimate how many days it would take for 200 milliliters of water to evaporate. Explain why.

aliina [53]

Answer:Water. Am I right?

Step-by-step explanation:

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3 years ago

PLEASE HELP Which of the following expressions is equal to-4x^2-36? A:(-4x-9i)(x-4i) B:(-4x+9i)(x-4i) C:(-4x-12i)(x+3i) D:(-4x+1

Harrizon [31]

Answer:

C is equal to -4 $x^{2}$ - 36

Step-by-step explanation:

<h3></h3><h3>C: ( -4x -12) ( x + 3)</h3><h3>= multiply -4x × x = -4 $x^{2}$ </h3><h3>= multiply -4x × 3 = -12x</h3><h3>= multiply -12 × x = -12x</h3><h3>= multiply -12 × 3 = -36</h3><h3>= -4 $x^{2}$ -24x -36, simplified to (-4 $x^{2}$ - 36) </h3>

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3 years ago

To help plan its nursing staff schedule, a large hospital uses simple exponential smoothing to forecast the daily number of hosp

Morgarella [4.7K]

Answer:386

Step-by-step explanation:

We have given

Smoothing parameter $\left ( \alpha \right )=0.56$

Forecasted demand $\left ( F_t\right )=385$

Actual demand $\left ( D_t\right )=386$

And Forecast is given by

$F_{t+1}=\alpha D_t+\left ( 1-\alpha \right )F_t$

$F_{t+1}=0.56\cdot 386+\left ( 1-0.56\right )385=385.56\approx 386$

$F_{t+2}=0.56\cdot 386+\left ( 1-0.56\right )385.56=385.806\approx 386$

$F_{t+3}=0.56\cdot 386+\left ( 1-0.56\right )385.806=385.914\approx 386$

$F_{t+4}=0.56\cdot 386+\left ( 1-0.56\right )385.914=385.962\approx 386$

3 0

3 years ago

The chance of randomly selecting a red marble from a bag is 3/10. What is the probability of not selecting a red marble.

Andreas93 [3]

The correct answer is 7/10

5 0

3 years ago

You are using 0.05 gallons per mile of a SUV gas tank that holds 16 gallons. y = - 0.05x + 16. (Or, if you wish you may use

asambeis [7]

Here, we just use the following x values and put them into the equation.

y = - 0.05x + 16
y = -0.5(0) + 16
y = 16

y = - 0.05x + 16
y = -0.5(160) + 16
y = -80 + 16
y = -64

y = - 0.05x + 16
y = -0.5(320) + 16
y = - 160 + 16
y = -144

Now, to set up the table, you could list the x values and the y values.

x values :- 0,160, 320
y values:- 16, -64, -144

6 0

3 years ago

Read 2 more answers