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Mnenie [13.5K]
4 years ago
14

Renee, Susan, and Martha will share the cost to rent a vacation house for a week. Renee will pay 40 percent of the cost. What fr

action of the cost will Renee pay? Put in simplest form
Mathematics
1 answer:
Rom4ik [11]4 years ago
7 0

Answer:

Amount paid by Martha = $200

Amount paid by Renee = $320

Amount paid by Susan = $280

Step-by-step explanation:

Here, the given question is INCOMPLETE.

Renee, Susan and Martha will share the cost to rent a vacation house for a week. Renee will pay 40% of the cost. Susan will pay 0.35 of the cost. Martha will pay the remainder of the cost. If the cost to rent the vacation house is $800, how much will each person pay?

Here, the total cost of the vacation  = $800.

Renee pays 40% of the cost.

Calculating 40% of $800, we get:

\frac{40}{100} \times 800 = 320

So, Renee pays a total of $320 in the cost of vacation.  ... (1)

Susan pays 0.35 = 35 %  of the cost.

Calculating 35% of $800, we get:

\frac{35}{100} \times 800 = 280

So, Susan pays a total of $280 in the cost of vacation.  ... (2)

Now, The amount paid by { Renee + Susan  + Martha} = $800

⇒ $320 + $280 + Amount paid by Martha  = $800

⇒Amount paid by Martha = $800 - $600 = $200

Hence, Amount paid by Martha = $200

Amount paid by Renee = $320

Amount paid by Susan = $280

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Please help!!! I’ll mark you as brainliest!!!
Sedaia [141]
Ok I’ll break this down so it’s easier to understand:

So you start of with $80

The first step is to find 20% off

An easy way to find 20% is to divide it by 5.

80/5= 16

And since it’s 20% OFF we subtract 16 from 80

80-16= 64

Next we need to do the coupon

It is $5 off so

64-5= 59

And finally the rebate which is $2

59-2= 57

Answer:
57
3 0
3 years ago
Read 2 more answers
Because of staffing decisions, managers of the Gibson-Marimont Hotel are interested in the variability in the number of rooms oc
Anit [1.1K]

Answer:

a)\hat \sigma^2 =s^2 =30^2 = 900

b) 567.277 \leq \sigma^2 \leq 1690.224

Rounded to the nearest number would be:

567 \leq \sigma^2 \leq 1690

c) 23.818 \leq \sigma \leq 41.112

And rounded :

23.8 \leq \sigma \leq 41.1

Step-by-step explanation:

Data given and notation

s=30 represent the sample standard deviation

\bar x=290 represent the sample mean

n=20 the sample size

A confidence interval is "a range of values that’s likely to include a population value with a certain degree of confidence. It is often expressed a % whereby a population mean or variance lies between an upper and lower interval".  

The margin of error is the range of values below and above the sample statistic in a confidence interval.

The Chi Square distribution is the distribution of the sum of squared standard normal deviates .

Part a

The best point of estimate for the population variance is the sample variance, so on this case:

\hat \sigma^2 =s^2 =30^2 = 900

Part b

The confidence interval for the population variance is given by the following formula:

\frac{(n-1)s^2}{\chi^2_{\alpha/2}} \leq \sigma \leq \frac{(n-1)s^2}{\chi^2_{1-\alpha/2}}

The next step would be calculate the critical values. First we need to calculate the degrees of freedom given by:

df=n-1=20-1=19

Since the Confidence is 0.90 or 90%, the value of \alpha=0.1 and \alpha/2 =0.05, and we can use excel, a calculator or a table to find the critical values.  

The excel commands would be: "=CHISQ.INV(0.05,19)" "=CHISQ.INV(0.95,19)". so for this case the critical values are:

\chi^2_{\alpha/2}=30.144

\chi^2_{1- \alpha/2}=10.117

And replacing into the formula for the interval we got:

\frac{(19)(30)^2}{30.144} \leq \sigma \leq \frac{(19)(30)^2}{10.117}

567.277 \leq \sigma^2 \leq 1690.224

Rounded to the nearest number would be:

567 \leq \sigma^2 \leq 1690

Part c

In order to find the confidence interval for the deviation we just need to take the square root for the interval of the variance, and we got:

23.818 \leq \sigma \leq 41.112

And rounded :

23.8 \leq \sigma \leq 41.1

7 0
3 years ago
Alejandro kicks a football. The graph below shows the height of the football hh in meters after tt seconds. What is the football
mamaluj [8]

Answer:

The answer will be 30.625 m

4 0
2 years ago
What is the value of the y-intercept of the graph <img src="https://tex.z-dn.net/?f=f%28x%29%3D-6x7.5%5Ex" id="TexFormula1" titl
Veseljchak [2.6K]

Answer:

y-intercept = (0,0)

Step-by-step explanation:

To find the x-intercept, substitute in 0 for y and solve for x. To find the y-intercept, substitute in 0 for x and solve for y.

5 0
3 years ago
What is the least common denominator for this equation?<br><br> A. 9<br> B. 36<br> C. 36c<br> D. 12c
defon

Answer:

B

Step-by-step explanation:

Though it is not obvious, the c belongs in the numberator, not the denominator.

So C and D are both wrong.

9: 3 * 3

3: 3

4:2 * 2

Lowest common denominator = 2 * 2 * 3 * 3

Lowest common denominator = 36

B

6 0
3 years ago
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