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Temka [501]
3 years ago
8

Find the value of k such that the line through (k + 3, 7) and (-5,3 – k) has a slope of 3/5

Mathematics
1 answer:
Nookie1986 [14]3 years ago
8 0

Answer:

k = 2

Step-by-step explanation:

slope = rise/run = (y1 - y2) / (x1 - x2)

s = (7 - (3-k)) / ((k+3) - (-5)) give slope is 3/5

3/5 = (7 - (3-k)) / ((k+3) - (-5))   then multiply both sides by ((k+3) - (-5))

(3/5)((k+3) - (-5)) = (7 - (3-k))

(3/5)(k+3+5) = 7 - 3 + k

(3/5)(k+8) = 4 + K

3k/5 + 24/5 = 4 + k

3k/5 - k = 4 - 24/5

3k/5 - 5k/5 = 20/5 - 24/5

-2k/5 = -4/5

-2k = -4

k = 2

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Help me on this please
steposvetlana [31]
I got you hun!

27= 3x is the equation you will need

27 is the total the coach needs making it the total. Since each pack comes with 3 you will mutiply the amount of pack, or x, by 3. 

X=9 

we know this because if you divide 3 by 27 to get it on the other side we get 9. This means the coach needs to buy 9 packs of baseballs for the team.

27=3(9) 

Hope this helps!


5 0
3 years ago
Carl worked six and one-half hours on Monday. He worked eight and two-third hours on Tuesday. How many hours did Carl work in al
Gnoma [55]

Answer: 15 hours and 37 minutes


Step-by-step explanation: 6 and 1/2 hours is 6 hours and 30 mins

8 and 2/3 hours is 8 hours and 67 mins


So 8 hours + 6 hours is 14 hours


Since 67 minutes is over an hour, we're going to take 60 minutes from 67, leaving u with 7 minutes


Add the 60 minutes to the 14 hours and you get 15 hours.


Take the 7 minutes and add it to the 30 minutes and you get 37 minutes.


All together the answer is 15 hours and 37 minutes


7 0
3 years ago
What is the product? Enter your answer as a fraction, in simplified form, in the box. −1/4⋅(−6/11)
ivann1987 [24]

Answer:

3/22

Step-by-step explanation:

-1/4 . (-6/11)

  • You have to multiply the signs: As both are negative, the result will be positive.
  • You have to multiply the numbers in the top part (numerators) and the numbers in the bottom part (denominators)

1 . 6 / 4 . 11 = 6/44

  • Finally, you must simplify the answer by dividing both numbers among the same divisor, in this case the number is 2

6÷2 / 44÷2 = 3/22

4 0
3 years ago
a baseball glove was on sale for 5/6 of the original price. if the original price was $90 what was the sale price
grandymaker [24]
 since the original price was ninety we have to multiply 5/6 by 90
90/1(5/6)
=450/6
=75

6 0
3 years ago
Read 2 more answers
1. Solve.
Ivahew [28]

Step-by-step explanation:

2x × 3x +(-5×1)=6x-6=o

7 0
3 years ago
Read 2 more answers
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