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3 years ago

13

Which of the point-slope equations below are correct for the line that passes through the points (6,6) and (3,1)?

1 answer:

slavikrds [6]3 years ago

4 0

(6,6)(3,1)
slope(m) = (1 - 6) / (3 - 6) = -5/-3 = 5/3

y - y1 = m(x - x1)...using (6,6)
y - 6 = 5/3(x - 6) <== here is one

y - y1 = m(x - x1)...using (3,1)
y - 1 = 5/3(x - 3) <== here is the other one

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so 21 - 13, the money will be invested for 8 years.

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2 years ago

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solmaris [256]

Answer:

1 1/2 cups

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2 years ago

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A group walked 3/8 mile in 1/5 hour. Which is the groups walking speed in miles per hour

gogolik [260]

Answer:

The groups walking speed is $1\frac{7}{8}\frac{miles}{hour}$ or $1.875\frac{miles}{hour}$

Step-by-step explanation:

we know that

To find the speed divide the distance by the time

so

$\frac{(3/8)}{(1/5)}=\frac{15}{8}\frac{miles}{hour}$

Convert to mixed number

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vlabodo [156]

Answer:

x + 5 = (x + 5) - 5, which has no solution ⇒ answer C

Step-by-step explanation:

* Lets study the situation in the problem

- Jessica is 5 years older than her sister Jenna

- After five years Jenna's age will be as old as Jessica was five years ago

- Jenna's age now is x

* Lets change all information above to equation

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∴ Her age after 5 years will be x + 5

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∴ Her age from 5 years ago is (x + 5) - 5

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∵ x + 5 = x + 5 - 5 ⇒ add the like terms

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∴ There is no solution for this equation

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