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gayaneshka [121]
3 years ago
6

6(7x-9)+15 simplify equation

Mathematics
2 answers:
elixir [45]3 years ago
7 0
Use distributed property first
6*7x= 42x
6*9= 54
42x-54

add it to the equation

42x-54+15

combine like terms

-54+15 = -39

42x-39 is your answer

devlian [24]3 years ago
6 0

Answer:

42x-39

Step-by-step explanation:

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If the original pair of a pair of shoes is $80 but a sign above the shoes reads “ Sale - 20% discount”, then what price would a
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Answer:

A. 64

Step-by-step explanation:

The shoes are 80 dollars.  We get a 20% discount

Discount = 80*20%

                = 80*.20

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The sales price = original price less the discount

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3 years ago
A few years​ ago, a census bureau reported that​ 67.4% of American families owned their homes. Census data reveal that the owner
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Answer:

The hypothesis can be defined as follows:

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Hₐ: The rate of home ownership is more than 67.4%, i.e. p > 0.674.

Step-by-step explanation:

In this case we need to determine whether the city should continue with plan of offering tax breaks to first-time home buyers in order to encourage people to become homeowners.  

It is provided that, a few years ago, a census bureau reported that 67.4% of American families owned their homes.  

But the Census data reveal that the ownership rate in one small city is much lower.

So, to improvise this the city council wants to offer tax breaks to first-time home buyers in order to encourage people to become homeowners.  

They decide to adopt the plan on a 2-year trial basis and use the data they collect to make a decision about continuing the tax breaks.

To determine whether the city council should continue with the plan or not, the hypothesis can be defined as follows:

H₀: The rate of home ownership is 67.4%, i.e. p = 0.674.

Hₐ: The rate of home ownership is more than 67.4%, i.e. p > 0.674.

4 0
3 years ago
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Answer:

uploaded in the attachment

Step-by-step explanation:

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The statement is true.

Answer: Option 1.

<u>Explanation:</u>

An horizontal beam is constantly flat and has a consistent cross-segment. Notwithstanding normal shaft parameters, bar has the accompanying properties: Direction. A flat shaft might be situated either along the worldwide X-hub or worldwide Y-pivot.

A horizontal beam is used to hold a building up right and to give the support to the building. But the length of the horizontal beam differs in an inverse way between the supports.

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