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lara31 [8.8K]
3 years ago
6

A line passes through (1, –5) and (–3, 7).

Mathematics
1 answer:
Brilliant_brown [7]3 years ago
5 0
Slope of the line =(7- -5) / (-3-1) = 12 / -4 = -3

a. point slope form is y + 5 = -3(x - 1)  Answer

b  rearrange to slope-intercept form:-
 y = -3x + 3 - 5
y = -3x - 2  Answer
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Find the length of the missing side.
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Step-by-step explanation:

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3 0
3 years ago
Read 2 more answers
A small bag of trail mix contains 3 cups of dried fruit and 4 cups of almonds.A large bag contains 41/2 cups of dried fruit and
Juliette [100K]
Let's call:
f = price of 1 cup of dried fruit
a = price of 1 cup of almonds

In order to build the linear system, you need to consider that the total price of a bag is given by the sum of the price of cups times the number of cups in each bag, therefore:

\left \{ {{3f + 4a = 6} \atop {41/2 f + 6a = 9 }} \right.

Solve for a in first equation:
a = (6 - 3f) / 4

Then substitute in the second equation:
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41/2 f + 9 - 9/2 f = 9
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Now, substitute this value in the formula found for a:
</span>a = (6 - 3·0) / <span>4
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Hence, the cups of dried fruit are free and 1 cup of almond costs 1.5$</span>

3 0
3 years ago
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