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vovangra [49]
4 years ago
9

a total of 4 freinds ate lunch at a cafe. they decided to split the bill wvenly. the total bill was $17.84. how much was each pe

rsons share?
Mathematics
1 answer:
ivann1987 [24]4 years ago
7 0
So that would be the total bill divided by 4
17.84/4=16/4+1/4+0.84/4=4+0.25+0.21=4.46

each person's share was $4.46
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Please help !!!! urgent
Finger [1]

Answer:

P(x) = 16x - 100 - 0.1x^2

Step-by-step explanation:

Given

R(x) = 46x

C(x) = 100 +30x +0.1x^2

Required

Determine the profit function

This is calculated as follows:

P(x) = R(x)- C(x)

Substitute values for R(x) and C(x)

P(x) = 46x - (100 + 30x + 0.1x^2)

Open bracket

P(x) = 46x - 100 - 30x - 0.1x^2

Collect like terms

P(x) = 46x - 30x - 100 - 0.1x^2

P(x) = 16x - 100 - 0.1x^2

3 0
3 years ago
Simplify |-34| + |19|
Ede4ka [16]

Answer: 53

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First find the absolute values of the numbers and then add them.

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The absolute value of 19 is 19

34 + 19 = 53

5 0
4 years ago
Read 2 more answers
The basketball coach at a small local college believes that his team plays better and scores more points in front of larger crow
Orlov [11]

Answer:

Step-by-step explanation:

Given that points scored is the dependent variable Y and Number of people attending the game is the independent variable is independent variable x

The correlation coefficient, slope and intercept are calculated as shown below:

x y

378 54

350 57

320 59

478 80

451 82

250 75

489 73

451 53

410 67

215 78

113 67

250 56

450 85

489 101

472 99

 

Mean 371.0666667 72.4

std dev 117.5138087 15.42632259

covariance 667.5733333  

r 0.394558035  

Slope 3.005642934  

Intercept 153.4581182  

y = 3.006x+153.46 is the regression line.

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8 0
3 years ago
against the wind a small plane flew 280 miles in 1 hour and 10 minutes. the return trip took only 50 minutes. What was the speed
Amanda [17]
1)  1hour 10minutes = \frac{7}{6} hours,
              50 minutes = \frac{5}{6}  hours

2) speed of plane against the wind = \frac{280miles}{ \frac{7}{6} } = \frac{280*6}{7}=240miles /hours

3) speed of plane on the the wind =\frac{280miles}{ \frac{5}{6} } = \frac{280miles*6}{5}=336miles/hours

4) (336-240):2=48miles/hours  - speed of wind
5)336-48=288miles/hours - plane's speed <span>in still air

Answer: speed of wind is 48 miles/hours, speed of  </span>plane in still air is 288 miles/hours



5 0
4 years ago
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