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Harman [31]
4 years ago
12

How to solve the equation -4(2n-5)= -28

Mathematics
1 answer:
Dmitrij [34]4 years ago
7 0
-4(2n-5)=-28
-8n+20=-28
-8n=-48
n=6
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Find the area of a right triangle with a base of 38 cm and height of 26 cm.
meriva

Answer:

494cm²

Step-by-step explanation:

A=hbb/2

=26*38/2= 494cm²

6 0
4 years ago
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Identify least to greatest<br><br> 4/25<br><br> .15<br><br> 7%<br><br> .28
IRISSAK [1]

Answer:

7%, .15, 4/25, .28

Step-by-step explanation:

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4 years ago
In a survey of 200 publicly-traded companies, the average price-earnings ratio was 18.5 with a standard deviation of 8.2. When t
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Answer:

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Step-by-step explanation:

We are told that affer testing the hypothesis (at the 5% level of significance), that the average price-earnings ratio increased from the past value of 16.8.

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And since it has been discovered that the ratio increased from the past value of 16.8, the alternative hypothesis is;

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5 0
3 years ago
a triangular sail has a base length of 2.5 meters. the area of the sail is 3.75 square meters. how tall is the sail?
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Area=1/2 times height times base
base=2.5
area=3.75
subsitute

3.75=1/2 times height times 2.5
multiply both sides by 2 to get rid of fraction
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divide both sides by 2.5
3=height

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Step-by-step explanation:

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