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nikdorinn [45]
3 years ago
15

14x1/2 consider the expression

Mathematics
1 answer:
MissTica3 years ago
5 0

Answer: 7

Step-by-step explanation:

14*1=14

14/2=7

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Piral Review Solve for x.
Darina [25.2K]
Answer: x=65

step by step explanation:

since the two angles are linear pairs that would make the sum of the two angles equal out to 180 degrees (a straight line), therefore, the equation used would be 2x+50=180

to find x you must solve the equation 2x+50=180

work shown:

2x+50=180
2x=130
x=65
7 0
3 years ago
The revenue each season from tickets at the theme part is represented by t(x) = 3x. The cost to pay the employees each season is
Triss [41]

Answer: The profit after 5 seasons is $239.94.

Step-by-step explanation:

Since we have given that

Revenue function is given by

t(x)=3^x

Cost function is given by

r(x)=1.25^x

So, We need to find the total profit:

As we know the formula for profit:

Profit = Revenue - Cost

P(x)=t(x)-r(x)\\\\P(x)=3^x-1.25^x

We need to evaluate the profit after five seasons:

P(5)=3^5-1.25^5\\\\P(5)=\$239.94

Hence, the profit after 5 seasons is $239.94.

5 0
3 years ago
Read 2 more answers
In Melanie's Styling Salon, the time to complete a simple haircut is normally distributed with a mean of 25 minutes and a standa
Triss [41]

Answer:

Longer than 27.7 minutes.

Step-by-step explanation:

When the distribution is normal, we use 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 question, we have that:

\mu = 25, \sigma = 4

The slowest quarter of customers will require longer than how many minutes (to the nearest tenth) for a simple haircut?

Longer than the 100 - 25 = 75th percentile of times, which is X when Z has a pvalue of 0.75. So X when Z = 0.675. So

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

0.675 = \frac{X - 25}{4}

X - 25 = 4*0.675

X = 27.7

So

Longer than 27.7 minutes.

8 0
3 years ago
Consider f(x)=x+7 and g(x)=x^2-1 find (g of f)(x)
finlep [7]

Answer:

g(f(x))=x^2 + 14x + 48

Step-by-step explanation:

you insert (x+7) into every x in the g(x) equation, so g(x)=(x+7)^2 - 1. then you simplify it by doing (x+7)(x+7) which gets you x^2 + 14x + 49. then you subtract the 1 from the equation to get g(f(x))=x^2 + 14x + 48.

6 0
3 years ago
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At the beginning of a population study, a city had 360,000 people. Each year since, the population has grown by 4.3%.
dangina [55]

Answer: y = 360,000 times t + 4.3%

Step-by-step explanation:

6 0
3 years ago
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