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brilliants [131]
3 years ago
5

Mike pays $26 for 10 baseball tickets. if he wants to buy 30 baseball tickets, how much will he pay?

Mathematics
1 answer:
Shalnov [3]3 years ago
3 0
26/10 = 2.60 .... 2.60 x 30 = 78. So 78 is the answer
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Hi, can you help me answer this question please, thank you!
matrenka [14]

It is given that the sample size is 17.

So degrees of freedom is 16.

The confidence level is 80%.

Use the t table or a tool to find the critical t value as below:

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So the critical value is 0.865.

8 0
1 year ago
Rewrite the expression with the given base. <br><br> 16^x with a base of 2.
olga55 [171]
Keeping in mind that 16 = 2*2*2*2, thus 16 = 2⁴

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5 0
3 years ago
Alan needs to manufacture a circular metal plate with a perimeter of `10pi` centimeters. If the allowed error tolerance in the p
AnnZ [28]

The ideal radius Alan must control is \frac{1}{2\pi } cm.

<h3>Define perimeter of circle.</h3>

The measurement of the circle's perimeter, also known as its circumference, is called the circle's boundary. The area of a circle determines the space it takes up. A circle's diameter is equal to the length of a straight line traced through its center. Usually, it is stated in terms of units like cm or m.

Given data -

Perimeter of circular plate = 10\pi cm

We know that perimeter of a circle is 2\pir

Therefore   10\pi = 2\pir

r = 5 cm

The given error Alan can make is +-1 cm.

Minimum radius is given by

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r = \frac{10\pi - 1 }{2\pi }

r = 5 - \frac{1}{2\pi }

Maximum radius is given by

2\pir = 10\pi + 1

r = \frac{10\pi + 1 }{2\pi }

r = 5 + \frac{1}{2\pi }

The ideal radius Alan must control is \frac{1}{2\pi } cm.

To know more about perimeter of circle, visit:

brainly.com/question/2718232

#SPJ1

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Graph the equation<br> g(x)=1/5x^2-2x-1
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Answer:

Step-by-step explanation:

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