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fenix001 [56]
3 years ago
6

A pair of running shoes had a regular price of $65.00. The shoes are on sale for 20% off. The sales tax is 8%. What is the total

cost of the shoes including tax ?
Mathematics
1 answer:
ElenaW [278]3 years ago
3 0
The total cost of the shoes including tax would be $56.16
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Anna71 [15]

Answer: No answer

Step-by-step explanation:

You can calculate for x, because the equation isn't equal to anything.

4 0
2 years ago
I need help don’t know how to do the problem
Triss [41]

Answer:

1/9

Step-by-step explanation:

6 0
3 years ago
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An engineer designed a valve that will regulate water pressure on an automobile engine. The engineer designed the valve such tha
natita [175]

Answer:

Step-by-step explanation:

Given that:

Population Mean = 7.1

sample size = 24

Sample mean = 7.3

Standard deviation = 1.0

Level of significance = 0.025

The null hypothesis:

H_o: \mu = 7.1

The alternative hypothesis:

H_a: \mu > 7.1

This test is right-tailed.

degree \ of \  freedom=  n - 1 \\ \\ degree \  of \  freedom  =  24 - 1 \\ \\ degree \ of \  freedom   = 23

Rejection region: at ∝ = 0.025 and df of 23, the critical value of the right-tailed test t_c = 2.069

The test statistics can be computed as:

t = \dfrac{ \hat X - \mu_o}{\dfrac{s}{\sqrt{n}}}

t = \dfrac{ 7.3-7.1}{\dfrac{1}{\sqrt{24}}}

t = \dfrac{0.2}{0.204}

t = 0.980

Decision rule:

Since the calculated value of t is lesser than, i.e t = 0.980 < t_c = 2.069, then we do not reject the null hypothesis.

Conclusion:

We conclude that there is insufficient evidence to claim that the population mean is greater than 7.1 at 0.025 level of significance.

6 0
3 years ago
Gary brings a 64 ounce water jug to baseball practice everyday Gary drinks 47 ounces of water himself if he were to choose to al
jok3333 [9.3K]

Answer:

94

Step-by-step explanation:

Gary=47 ounce

friend =47 ounce

47 ounce +47 ounce =94 ounce

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3 years ago
I need help in 21,22,23,24, and 25 please I'm not understanding geometry please help and explain this in a easy way.
NISA [10]
For #21, you would just equal 2x +24 = 3x- 12 then simplify and get your answer
6 0
3 years ago
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