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Tju [1.3M]
3 years ago
9

Mason gave the waiter a $14.58 tip, which was 15 percent of the dinner bill. What was the amount of the dinner bill before he ad

ded the tip?
A. $9.72
B. $21.87
C. $97.20
D. $218.70
Mathematics
1 answer:
lapo4ka [179]3 years ago
8 0

Answer:

21.87

Step-by-step explanation:

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Which points on the wave are the trough and the crest?
Vlad1618 [11]

Answer:

ok

trough is the y

Crest is W

I put a picture for help

6 0
3 years ago
The five posters made for spirit week are being hung in the front hall. What is the probability the largest poster will be in th
Leto [7]

Answer:

1/20 or 0.05

Step-by-step explanation:

Assuming that all five posters are different, the number of ways to randomly place those posters is given by:

N=5*4*3*2*1 = 120\ ways

If we want the largest to be in the center and the next largest to be on its left, two poster will have a set position and only three could be randomized:

n=3*2*1*1*1=6\ ways

Therefore, the probability is:

P=\frac{n}{N}=\frac{6}{120} =\frac{1}{20} =0.05

The probability is 1/20 or 0.05.

5 0
3 years ago
The starting salary at a company is $42,000 per year. The company automatically gives a raise of 3% per year. Write a recursive
cricket20 [7]
To solve this, we are going to use the recursive formula for a geometric sequence: a_{n}=a_{1}r^{n-1}
where
a_{n} is the nth term of the geometric sequence.
a_{1} is the first term of the geometric sequence.
r is the common ratio 
n is the position of the term in the sequence. 

We know that the starting salary is $42,000, so a_{1}=42000. Now, to find the common ratio r, we need to find the next term in the sequence first:
We know from our problem that t<span>he company automatically gives a raise of 3% per year, so the next term in the sequence will be 42000 + 3%(42000) = 42000 + 1260 = 43260. Remember that the common ratio is the current term of the geometric sequence divided by the previous term of the sequence; we know that our current term is 43260 and the previous term is 42000, so:
</span>r= \frac{43260}{42000}
r=1.03
<span>Now we can plug the values in our recursive formula:
</span>a_{n}=a_{1}r^{n-1}
a_{n}=42000(1.03)^{n-1}

We can conclude that the recursive definition for the geometric sequence formed by the salary increase is: a_{n}=42000(1.03)^{n-1}
8 0
3 years ago
I need help with number 30 immediately plx
igomit [66]
Because 4-5=-1 and 2-3=-1 so they are equal.
6 0
3 years ago
In the diagram below which ratio is equal to sin R
stiks02 [169]

Answer:

\huge\boxed{Option \ 4}

Step-by-step explanation:

\displaystyle sin \theta = \frac{opposite }{hypotenuse}

Where opposite = 55, hypotenuse = 73

\displaystyle sin R = \frac{55}{73} \\\\\rule[225]{225}{2}

Hope this helped!

<h3>~AH1807</h3>
6 0
3 years ago
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