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kati45 [8]
3 years ago
5

Maria's dinner bill is $21.89 after tax. If she wants to leave 15% tip, what will the total cost of the dinner be

Mathematics
1 answer:
lana [24]3 years ago
4 0

Answer:

24.56

Step-by-step explanation:

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What is the vertex of g(x) = 8x2 – 64x?
Simora [160]

Answer:

(4, -128).

Step-by-step explanation:

If the function is written in the form y = a(x – h)^2 + k, the vertex will be (h, k). Let's write the function 8x^2 - 64x in the form of a(x – h)^2 + k. g(x) = 8x^2 - 64x.

also i loooove ur profile picte bakugou and aizawa yessssssssssssssss

7 0
3 years ago
In a situation where the sample size was 28 while the population standard deviation was increased, what would be the impact on t
My name is Ann [436]

Answer:

C; It would become wider due to using the z-distribution

Step-by-step explanation:

Mathematically, we go on to look at the formula for confidence interval calculations here

The formula involves multiplying z by the s

which is the z-value and the standard deviation

Increasing the standard deviation value means we are increasing the product of multiplying z and s

This means that we are getting a larger value for the multiplication

Thus, we now have a wider confidence interval value as a result of a larger product

So this means that the CI would become wider due to the usage of the z-distribution

5 0
3 years ago
in class of 24 students sold over 150 raffle tickets each, and the rest of the class sold about 60 raffle tickets each. the clas
Murrr4er [49]
They reached their goal because 150x24= 3,600 and that is much more than the class goal of 2,000 plus the 60 extra tickets the rest of the class sold. 
7 0
3 years ago
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Quick algebra 1 question for 50 points! <br><br><br> Only answer if you know the answer, Tysm!
Juliette [100K]
<h2>A)</h2>

revenue = selling \: price \times quantity \: sold

m(t) = 3t

<h2>B)</h2><h3>Since we only have 75 tickets to sell, the domain is:</h3><h2>t ε [ 0 , 75 ]</h2>

<h2>Range: (extra)</h2><h2>m ε [ 0 , 225 ] </h2>
8 0
2 years ago
Read 2 more answers
Choose the solution(s) of the following system of equations:
Tatiana [17]

Answer: (sqrt(6),0)

Step-by-step explanation:

By substituting all of the choices into the equation, we get that the 2nd answer from top is the only answer

8 0
3 years ago
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