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crimeas [40]
4 years ago
15

Simplify each expression 1) 5n(2n + 1) +48 - 6n)

Mathematics
1 answer:
Butoxors [25]4 years ago
7 0
Distribute the 5n to inside the parenthesis 10n+5n+48-6n
——10+5-6=9
9n+48
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Answer:

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Hi there it's me again! Sorry to bother you, but can someone help me out with this?
stiv31 [10]

Answer:

hey,

your answer Is 1. :)

Step-by-step explanation:

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After a 15% increase, a town has 115 people. What was the population before the increase?
Arte-miy333 [17]

Answer:

100 people

Step-by-step explanation:

<em>Population</em><em> </em><em>Of</em><em> </em><em>People</em><em>=</em><em>1</em><em>1</em><em>5</em><em>Percentage</em><em>ncrease</em><em>=</em><em>1</em><em>5</em><em>%</em>

<em>The</em><em> </em><em>New</em><em> </em><em>Population </em><em>corresponds </em><em>to</em><em> </em><em>1</em><em>1</em><em>5</em><em>%</em>

<em>(</em><em>That</em><em> </em><em>is</em><em> </em><em>1</em><em>0</em><em>0</em><em>+</em><em>1</em><em>5</em><em>)</em>

<em>We</em><em> </em><em>want</em><em> </em><em>to </em><em>find</em><em> </em><em>the</em><em> </em><em>popula</em><em>tion</em><em> </em><em>that</em><em> </em><em>corresponds</em><em> </em><em>to </em><em>100%</em><em> </em><em>that </em><em>is </em><em>the</em><em> </em><em>original</em><em> </em><em>population</em><em>.</em>

<em>Therefore</em><em> </em><em>Original </em><em>Population</em><em>;</em>

<em>\frac{100}{115}\times {115}{}</em>

<em>100 \: people</em>

7 0
3 years ago
What is the volume of this aquarium 24 in 8 in 12 in
mote1985 [20]
2304 cubic inches. You multiply the length, width, and base
4 0
4 years ago
Read 2 more answers
You and your friends have just measured the heights of your dogs. The heights are 600mm, 470mm, 170mm, 430mm and 300mm. Find out
Rufina [12.5K]

Answer:

To find the mean, you have to add all numbers together and divide them by the number of data points.

let me show what I mean:

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Step-by-step explanation:

600+470+170+430+300.

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Now we have to divide 1,970 by 5 ( because we are given 5 data points)

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Variance: First, arrange the data from least to greatest.

s2 = 27130

Standard Deviation: 164.71187

3 0
3 years ago
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