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3 years ago

(-2.1m-5)+(3m-7) Find the sum

Mathematics

2 answers:

wolverine [178]3 years ago

4 0

Answer:

0.9 m − 12

Note:

Since there is no y value m can not be determine. Therefore finding the sum here can not be determined so instead you can try simplifying

OverLord2011 [107]3 years ago

4 0

Answer:

0.9m - 12

Step-by-step explanation:

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A photograph has a length that is 2 inches longer than its width, x. So its area is given by the expression x(x + 2) square inch

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2 years ago

john read the first 114 pages of a novel which is 3 pages less than 1/3 of the novel. write the equation

tatyana61 [14]

The equation is:

$114=\frac{p}{3}-3$

And

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Step-by-step explanation:

The equation has to be formed by using the given information.

Let p be the total number of pages in the novel

Then

1/3rd of the p will pe:

$\frac{p}{3}$

Total pages read by John = 114

Then according to the statement

$114=\frac{p}{3}-3$

We can solve the equation to get the total pages of the novel

$114=\frac{p}{3}-3\\Adding\ 3\ on\ both\ sides\\114+3=\frac{p}{3}-3+3\\117=\frac{p}{3}\\Multiplying\ both\ sides\ by\ 3\\3*117 = \frac{p}{3}*3\\p=351$

The equation is:

$114=\frac{p}{3}-3$

And

Total number of pages are 351

Keywords: Linear equation, variable

Learn more about linear variable at:

#LearnwithBrainly

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3 years ago

tim earns $150/week plus $15.00 for each desk he assembles. Write an inequality to represent how many desks he needs assemble to

Gennadij [26K]

x = number of desks needed to make

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solution:

150 +15.50x >=400

15.50x = 250

x = 250/15.50 = 16.129

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15.50*17 = 263.50 +150 = $413.50

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