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Degger [83]
3 years ago
12

Emilio asked his aunt for $20 to buy supplies for his lemonade stand. Once his stand opened he made $40 a day

Mathematics
1 answer:
FrozenT [24]3 years ago
8 0

The equation that represents profit is $40x - $20.

The profit after 5 days in business is $180.

The profit after 10 days in business is $380.

The profit after 10 days in business if revenue is $45 is $430.

<h3>What is profit? </h3>

Profit is total revenue less total cost.

Profit = total revenue - total cost

Profit = $40x - $20

Where:

x = number of days

<h3>What is the total profit after 5 days and 10 days? </h3>

$40(5) - $20

= $200 - $20

= $180

$40(10) - $20

$400 - $20

$380

<h3>What is total profit if revenue is $45? </h3>

$45(10) - $20

= $450 - $20

= $430

To learn more about profit, please check: brainly.com/question/26181966

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The time it takes to deliver a pizza (from time of phone call to delivery at door) follows a normal distribution with a mean (µ)
Yuki888 [10]

Answer:

99.87% of the store’s total delivery orders will be delivered to consumers with charge

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

\mu = 45, \sigma = 5

If a pizza store’s policy is, "Orders delivered within one hour or they’re free!", what percentage of the store’s total delivery orders will be delivered to consumers with charge?

Within one hour, which is 60 minutes. So this is the pvalue of Z when X = 60.

Z = \frac{X - \mu}{\sigma}

Z = \frac{60 - 45}{5}

Z = 3

Z = 3 has a pvalue of 0.9987

99.87% of the store’s total delivery orders will be delivered to consumers with charge

5 0
3 years ago
8 x 1024<br>What is the quotient<br>Tin scientific notation? HELPPPP ME NOWWWWW​
Sati [7]

Answer:

4 × 10^6

Step-by-step explanation:

8 × 10^24/2 × 10^18

to cut it short, subtract 18 from 24 ( the exponent) = 6

and divide 8 by 2 = 4

<u>8 × 10^24</u>

2 × 10^18

= 4 × 10^6

8 0
3 years ago
Which equation represents this situation?
aalyn [17]

Answer:

dirk =13.25 hours

charlie =11 75 hours

Step-by-step explanation:

c+d=25------(1)

d-1.5=c-----(2)

from (1),

c+d=25

c=25-d-----(3)

substitude (3) into (2)

d-1.5=c

d-1.5=25-d

2d=26.5

d=13.25

if d=13.25 hours

c+d=25

c+13.25=25

c=25-13.25

c=11.75

7 0
4 years ago
Sin(-180° + θ) = ________
Svet_ta [14]

Answer:

\sin\left(-180^o+\theta\right)=-\sin\left(\theta\right)

Step-by-step explanation:

We need to find the value of \sin(-180^o+ \theta)

So let's apply formula

\sin\left(A+B\right)=\sin\left(A\right)\cos\left(B\right)+\sin\left(B\right)\cos\left(A\right)

\sin\left(-180^o+\theta\right)=\sin\left(-180^o\right)\cos\left(\theta\right)+\sin\left(\theta\right)\cos\left(-180^o\right)

\sin\left(-180^o+\theta\right)=0\cdot\cos\left(\theta\right)+\sin\left(\theta\right)\cdot\left(-1\right)

\sin\left(-180^o+\theta\right)=0-\sin\left(\theta\right)

\sin\left(-180^o+\theta\right)=-\sin\left(\theta\right)

8 0
3 years ago
What is 6/13=3/c what is c
Inga [223]
<span>To determine the value of c, we can use cross multiplication of the given ratios composing the proportion. 13 times 3 is equal to 39. Then, divide the obtained answer by 6 giving us the final answer which is equal to 6.5. Hence, the answer to this item is 6.5</span>
4 0
4 years ago
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