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Mamont248 [21]
3 years ago
8

Given the points (1,-6) and (-7,-4) determine the slope

Mathematics
1 answer:
Lynna [10]3 years ago
7 0

Answer:

y = -0.25x – 5.75

Step-by-step explanation:

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Work out the difference in minutes, between 1 hour 50 minutes and 1 3/4 hours
m_a_m_a [10]

Answer:

5 mins difference

Step-by-step explanation:

1 3/4 hours = 1 hour and 45mins

50-45=5mins

8 0
3 years ago
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A hypothesis regarding the weight of newborn infants at a community hospital is that the mean is 6.6 pounds. A sample of seven i
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the null hypothesis is 5.6

Step-by-step explanation:

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6 0
3 years ago
1. If the area of a circle is 81pi square feet, find its circumference.
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Answer:

the circumference is 18 pi feet.

Step-by-step explanation:

4 0
2 years ago
Show all steps when completing the square to solve 2x^2 - 4x - 5 = 25
aleksley [76]

Answer:

x = 5, -3

Step-by-step explanation:

2x² - 4x - 5 = 25

add 5 to each side

2x² - 4x = 30

factor out the 2

2(x² - 2x) = 30

divide both sides by 2

x² - 2x = 15

divide b by 2, square it -- (b/2)², and add it to both sides

-2/2 = -1 → -1² = 1

x² - 2x + 1 = 15 + 1

factor the expression on the left -- this will be [x - (b/2)]²

(x - 1)² = 16

find the square root of both sides

x - 1 = ±4

add 1 to both sides

x = 4 + 1

x = -4 + 1

solve

x = 5, -3

8 0
3 years ago
Angle A and Angle B are supplementary angles. If angles A = 65, find the m Angle B.
WARRIOR [948]

Answer:

B = 115

Step-by-step explanation:

Since A and B are supplementary, they add up to 180 degrees.

Thus, 65 + B = 180, and B = 115

8 0
3 years ago
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