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puteri [66]
2 years ago
7

3k^2+12k-7kn-28n square meters and a length of 3k-7n meters.

Mathematics
1 answer:
melomori [17]2 years ago
4 0

Step-by-step explanation:

here ! I used the formula area = length × width

and just some algrbric expressions solving

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Determine whether the following event is mutually exclusive or not mutually exclusive.
Softa [21]

Answer:

The event is mutually exclusive.

Step-by-step explanation:

Mutually exclusive events are events that cannot exist simultaneously.

Thus, events that are not mutually exclusive can exist simultaneously.

Since each student only has one major, a single student cannot be both a mathematics major and a business major.

So, the event is mutually exclusive.

5 0
3 years ago
Matt's phone bill consist of an initial monthly charge of $30 and then he pays $4.50 per gigabyte of internet he uses. If he spe
ivanzaharov [21]

Answer:

5 gigabytes

Step-by-step explanation:

30+4.50x=52.50 (equation)

-30           -30

4.50x=52.50

/4.50   /4.50

x= 5

5 gigabytes

5 0
3 years ago
What is the total amount that First Consumer Bank will receive after lending Jane $7,000 for three years at an interest rate of
nlexa [21]
<span>In 3 years, you will have $8,103.38

Formula:
</span>

<span>A = P (1 + r/n)<span> ^(nt)</span></span>

Where:

A = the future value of the investment/loan, including interest
P = the principal investment amount (the initial deposit or loan amount)
r = the annual interest rate (decimal)
n = the number of times that interest is compounded per year
t = the number of years the money is invested or borrowed for

7 0
3 years ago
Which typing time is the fastest? A. 320 words in 8 minutes; B. 600 words in 12 minutes; C. 350 words in 10 minutes; D. 225 word
Natasha2012 [34]

Answer:

B - 600 words in 12 minutes

Step-by-step explanation:

So most of this has to do with division. So let's look at answer one

320 words in 8 mins

320/8 = 40 words per minute.

600 words in 12 minutes

600/12 = 50 words per minute

350 words in 8 minutes

350/8 = 35 words per minute

And finally, 225 words in 5 minutes

225/5 = 45 words per minute. Thus, the answer is B

6 0
3 years ago
Read 2 more answers
A cylinder has a volume of 400 cubic feet. If the height of the cylinder is 25 feet, what is the radius of the cylinder? Use 3.
Lisa [10]

The radius of the cylinder will be  r=2.25ft

<h3>What will be the radius of the cylinder?</h3>

It is given that

Volume of the cylinder = 400 ft^{3}

height of the cylinder= 25 ft^{3}

Now we know that

Volume of the cylinder = \pi r^{2} h

putting values in the formula

400= \pi \times r^{2} \times25

r= \dfrac{4}{\sqrt{3.14} }

r=2.25 ft

Thus the radius of the cylinder will be  r=2.25ft

To learn more about the Volume of the cylinder follow

brainly.com/question/9554871

8 0
2 years ago
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