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vredina [299]
3 years ago
9

Help me with that last 3 plzzzzz

Mathematics
2 answers:
Molodets [167]3 years ago
8 0
12) Answer: 1 and 5/8

13) 3 and 1/6=19/6=57/18
1 and 7/9=16/9=32/18
(57/18)-(32/18)= 25/18
Answer: 25/18 or 1 and 7/18

14) 10.73+20.00= 30.73
30.73-16.89=13.84
Answer: $13.84

goldenfox [79]3 years ago
7 0
1 3/8 is left because 12 - 10 5/8 is 1 3/8
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Which term completes the product so that it is the difference of squares?
FromTheMoon [43]

Answer:

the answer is  3

Step-by-step explanation:

(-5x-3)(-5x+3)=(5x)^2 - (3)^2

A difference of squares is the difference of two squared terms.

We have

a^2 - b^2

We can factorize the difference of squared terms like this:

a^2-b^2 = (a+b)(a-b)

We have (-5x-3)(-5x+3)

Lets prove it:

(-5x-3)(-5x+3) = (-5x*-5x)+(-5x*3)+(-3*-5x)+(-3*3)

(-5x-3)(-5x+3) = 25x^2+(-15x)+(15x)+(-9)

(-5x-3)(-5x+3) = 25x^2-15x+15x-9

(-5x-3)(-5x+3) = 25x^2-9

(-5x-3)(-5x+3) = (5x)^2 - (3)^2

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3 years ago
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tia_tia [17]

Answer:

John would be running 1560 miles in a year

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2 years ago
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What is an equation of the line passing between(4, -6) and (12, -8)?*
I am Lyosha [343]

Answer:

y= -1/4x - 5

Step-by-step explanation:

first you need to find the slope.

to do this you can use the equation: change in y/change in x which is also y2 - y1/x2-x1

-8 - (-6)/12-4

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since the line's equation is y = mx + b, we still need to find the y-intercept. we can do this by just plugging in one of the points

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so the final equation is y= -1/4x - 5

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