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spayn [35]
4 years ago
13

How would I solve (6r +3)2 and show my work?

Mathematics
1 answer:
Eddi Din [679]4 years ago
4 0

Answer:

12r+6

Step-by-step explanation:

2(6r+3)

2(6r)+2(3)

12r+6

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Emma has completed 70% of her summer reading list. She has read 14 books so far. How many books are there on her summer reading
REY [17]

The number of books in her summer reading list is = 20

The number of books that has been read by Emma = 14

The percentage of books that has been read by Emma  = 70%

But the percentage of books in Emma summer reading list = 100%

∴ The number of books in her reading list= ˣ

That is ;

           70% = 14

          100% = ˣ

Make ˣ the subject of formula,

            ˣ = 100 × 14 / 70

            ˣ = 20

Learn more here:

brainly.com/question/20766171

7 0
3 years ago
Triangle LMN is positioned inside rectangle LKPN as shown in the diagram. Which is the area of △LMN?
Sati [7]

Step-by-step explanation:

The formula of a triangle is A=½bh

Base=6.5

Height=4.8(since the height if the triangle and the width of the rectangle are same)

A=½(6.5)(4.8)

A=½(31.2)

a =  \frac{31.2}{2}

A=15.6

Therefore, the area of the triangle LMN is 15.6

I hope this helps.

6 0
4 years ago
A biologist counted 10,000 migrating monarch butterflies. How do you express 10,000 as a power of 10?
dmitriy555 [2]
4 to the power of ten
4 0
3 years ago
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83250/?=74*25<br>options are: <br>a) 50<br>b) 45<br>c) 40<br>d) 55<br>e) none of these​
olya-2409 [2.1K]

Answer:

B. 45

Step-by-step explanation:

Simplyfy 74*25

1850

Now blug in all the values for the "?".

83250/45=1850

This is the only value that staifies this equaton so therefore, B 45

5 0
2 years ago
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The price of an airline ticket from St. Louis to Washington D.C. costs $250. A bus ticket costs $100. Traveling by plane takes 2
Aleksandr-060686 [28]

Answer:

He would gain by choosing air travel if, and only if, he values his time at more than $5 per hour.

Step-by-step explanation:

The problem states that:

A bus ticket from Washington to St. Louis costs $100, while it takes 32 hours to arrive.

A plane ticket from Washington to St. Louis costs $250, while it takes 2 hours to arrive.

Other things constant, Andrew would gain by choosing air travel if, and only if, he values his time at more than

If Andrew choses to go by plane, he saves 32-2 = 30 hours at the expense of $250-$100 = $150.

So, dividing the extra cost by the number of hours saved:

\frac{150}{30} = 5

He would gain by choosing air travel if, and only if, he values his time at more than $5 per hour.

7 0
4 years ago
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