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Anton [14]
3 years ago
14

Through: (-2,-1), slope= 5/2

Mathematics
2 answers:
alekssr [168]3 years ago
6 0
If finding the slope, the answer would be
m=3/2
love history [14]3 years ago
6 0

Answer:

y = \frac{5}{2} x + 4

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Here m = \frac{5}{2}, thus

y = \frac{5}{2} x + c ← is the partial equation

To find c substitute (- 2, - 1) into the partial equation

- 1 = - 5 + c ⇒ c = - 1 + 5 = 4

y = \frac{5}{2} x + 4 ← equation of line

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Can someone help me please?!?!?!
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Answer:

see explanation

Step-by-step explanation:

you are looking for perfect square factors of the numbers under the radical sign. both numbers and the sum are irrational because they contain √5

125 = 5×25

80 = 5×16

<em>3</em>√125 =<em> 3</em>√(25×5) = <em>3</em>×5√5 = 15√5

√80 = √(16×5) = 4√5

1)  15√5 + 4√5 = 19√5      the √5 is the same square root so you add the coefficients

perfect square factors are bold

4×√(25×2)×√(9×2) =

4×5×3×√(2×2) =

60×√4 =

2)  60 × 2 = 120

the numbers are both irrational but the answer is rational because √2 ×√2 = √4 = 2

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