3 years ago

PLEASE HELP QUICK

1 answer:

6 0

we are given with a triangle with the sides 6 ft, 21 ft, 23 ft. although it follows the rule of triangles that state that no side of the triangle exceeds the sum of the lengths of two other sides, this does not follow Pythagorean theorem: 23^2-21^2 = 88 which is not equal to 6^2 or 36. This is not a right triangle, hence. Hope this helps!

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has a $50 bill and wants to buy a pair of shoes for $48. If the sales tax is 6% how much more does she need to buy the shoes?

adelina 88 [10]

Answer:

He will ned 1 dollar more

Step-by-step explanation:

50x.06=3 so that is the sales tax subtract it by 2 and he will need 1 more dollar

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3 years ago

Read 2 more answers

A company wants to establish that the mean life of its batteries, when used in a wireless mouse, is over 183 days. The data will

enyata [817]

Answer:

a) Null and alternative hypotheses are:

$H_{0}$ : mu=183 days

$H_{a}$ : mu>183 days

b) If the true mean is 190 days, Type II error can be made.

Step-by-step explanation:

Let mu be the mean life of the batteries of the company when it is used in a wireless mouse

Null and alternative hypotheses are:

$H_{0}$ : mu=183 days

$H_{a}$ : mu>183 days

Type II error happens if we fail to reject the null hypothesis, when actually the alternative hypothesis is true.

That is if we conclude that mean life of the batteries of the company when it is used in a wireless mouse is at most 183 days, but actually mean life is 190 hours, we make a Type II error.

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3 years ago

List at least two similarities and at least two differences between each pair of graph types.

sasho [114]

Look it up on google. you'll get all the answers quick

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3 years ago

A playground is being designed where children can interact with their friends in certain combinations.

Nutka1998 [239]

Answer:

D) an = an-1 + (2n – 3)

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