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Georgia [21]
3 years ago
6

John goes to a restaurant and has a bill of $32.57. He uses a 10% off coupon on the cost of the meal. The tax is 8%. He leaves a

tip of 18% on the amount before the coupon or tax is applied. How much does he spend?
Mathematics
1 answer:
Nimfa-mama [501]3 years ago
4 0

Answer:

$37.52

Step-by-step explanation:

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Ben is 4 times as old as I Ishaan and is also 6years older than ishaan
777dan777 [17]

Answer:

24

Step-by-step explanation:

4 times 6 =24

7 0
3 years ago
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It was reported that 23% of U.S. adult cellphone owners called a friend for advice about a purchase while in a store. If a sampl
leva [86]

Answer:

P(X=7)

And using the probability mass function we got:

P(X=7)=(15C7)(0.23)^7 (1-0.23)^{15-7}=0.0271  

Step-by-step explanation:

Let X the random variable of interest, on this case we now that:  

X \sim Binom(n=15, p=0.23)  

The probability mass function for the Binomial distribution is given as:  

P(X)=(nCx)(p)^x (1-p)^{n-x}  

Where (nCx) means combinatory and it's given by this formula:  

nCx=\frac{n!}{(n-x)! x!}  

And we want to find the following probability:

P(X=7)

And using the probability mass function we got:

P(X=7)=(15C7)(0.23)^7 (1-0.23)^{15-7}=0.0271  

5 0
3 years ago
Can someone help me, im really stuck.
tresset_1 [31]

Answer:

(x/4) +1 OR (4/x)+1

Step-by-step explanation:

5 0
3 years ago
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A hose fills an empty fish tank with 24 gallons of water in 8 minutes. At that same rate, how many minutes will it take the hose
kolezko [41]

Answer:

\frac{8}{24} = \frac{x}{60}

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x = 20

Step-by-step explanation:

3 0
3 years ago
Find the surface area:
ANTONII [103]

Answer:

120 in

Step-by-step explanation:

(5 in * 12 in)/2 = 30 in

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I hope that helps :D

8 0
3 years ago
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