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Sonja [21]
3 years ago
7

A student solves a quadratic and gets solutions of x=-7 and x=8. Could the discriminant of this equation equal -188?

Mathematics
1 answer:
MrMuchimi3 years ago
8 0

Answer:

7

Step-by-step explanation:

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Please help
shtirl [24]

Answer:

Step-by-step explanation:

The slope of the line in question is the same as the slope of the line parallel to it. Using y = mx + b, where m is the slope, we find the slope of our line is -3.

Using the pt-slope form, y - y1 = m( x - x1), we get y - (-1) = -3( x - 2) or y + 1 = -3x + 6. Which leads us to y = -3x + 5. QED

4 0
2 years ago
Find the distance from the point (6,10) to the line y=-x to the nearest tenth
ValentinkaMS [17]
<span>points (6,10)
</span>y = -x
x + y = 0

distance = lax1 + by1 + cl/√(a^2 + b^2)
 = l1(6) + 1(10) + 0l/√(1^2 + 1^2)
 = l6 + 10 + 0l/√(1 + 1)
 = l16l/√2
 = 16/√2
 = 8 .2/√2
 = 8 . √2.√2/√2
= 8√2
4 0
3 years ago
Zoya sells insurance. She earns $10,25/hour and 8% commission on all her sales. Last week
Vlad1618 [11]

Answer:

$523.39

Explanation:

10.25 x 35 hours= 358.75

2058 x 8/100 = 164.64

358.75 + 164.64 = 523.39

8 0
2 years ago
(3) There are 2 mixtures of light purple paint. Mixture A is made with 5 cups of
ivann1987 [24]

Answer:

Mixture A

Step-by-step explanation:

besause it uses less portion of white paint

6 0
2 years ago
A used book costs $17 less than the same book new. Theused book costs $9. Write and
zvonat [6]

Answer:

$26

Step-by-step explanation:

17+9=26

4 0
3 years ago
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