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Colt1911 [192]
3 years ago
12

Why is substitution sometimes more helpful than elimination?

Mathematics
1 answer:
ExtremeBDS [4]3 years ago
5 0
 Substitution<span> method is not better or worse </span>than<span> any other method of solving ... </span>Sometimes substitution<span> can be easier </span>than<span> using </span>elimination<span> or graphing. ... Maybe you would like to learn </span>more<span> about one of these?</span>
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What is the slope of the line that passes through the points (4, 5) and (12, 7)?
blondinia [14]

Answer:

1/4

Step-by-step explanation:

To find slope, we use the formula rise over run (y2-y1 over x2-x1)

So first, our y's: 7-5=2

And our x's: 12-4=8

2/8 simplifies to 1/4

3 0
2 years ago
How much interest does $400 make in 5 years at 7% per annum?
ZanzabumX [31]

Answer:

$112

Step-by-step explanation:

7% for each year = $28

7% for four years = $28.4= $112

4 0
3 years ago
OMG HELP PLS IM PANICKING OMG OMG I GOT A F IN MATH AND I ONLY HAVE 1 DAY TO CHANGE MY GRADE BECAUSE TOMORROW IS THE FINAL REPOR
kherson [118]
A. You need to compare 2/5, 1/2 and 3/4
2/5= .4
1/2= .5
3/4=.75
Therefore the bucket that is 2/5 full is less than 1/2 full
8 0
2 years ago
Read 2 more answers
Solve for j. -1j+1&gt;2<br> Please help.
prohojiy [21]
You can use photomath for this
6 0
3 years ago
If the line with the slope 5 that passes through the point (-1,3) intersects the x axis at a point, what are the coordinates of
Crazy boy [7]

Answer: (-8/5,0)

Step-by-step explanation: If the slope is 5, m = 5

For (-1,3) we have x₀= -1 and y₀ = 3, to find the line equation

y - y₀ = m(x - x₀)

y - 3 = 5(x - (-1))

y - 3 = 5(x + 1)

y - 3 = 5x + 5

y = 5x + 8

A P that intersects the x axis has y = 0

0 = 5x + 8

5x = -8

x = -8/5

P (-8/5,0)

7 0
3 years ago
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