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Georgia [21]
2 years ago
15

Find the solution of the system of equations. 7x -- 8y = -237x – 7y = -14(?,?)​

Mathematics
1 answer:
gtnhenbr [62]2 years ago
6 0

Answer:

(7,9)

Step-by-step explanation:

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This is my question. If Andy drove 840 miles in 12 hours. How far could he drive in hours? Help me?
stellarik [79]

Answer:

840mi. - 12 hrs

  x       -  3 hrs

This is a simple cross multiplying problem.

840 _ 12

 x   --  3    ⇒12x=3(840) ⇒ 4x=280 ⇒ x=70 miles

:D

Step-by-step explanation:

7 0
3 years ago
Define highest common factor
wariber [46]

Answer:

Of two numbers, The largest whole number which is a factor of both.

Step-by-step explanation:

6 0
2 years ago
Regina bought 10 pounds of fruit salad for a family party. The fruit salad contained 3 ½ pounds of oranges, 4 ¾ pounds of peache
Roman55 [17]

Answer:

1.75 or 1 3/4 pounds

Step-by-step explanation:

Add the peaches and Oranged weights together to get 8.25 then 10-8.25=1.75

7 0
3 years ago
Use the replacement set {3, 4, 9} to find the solution of the equation below.<br> 3n−18=9
Mrac [35]

Answer:

n=9

Step-by-step explanation:

3n-18=9

3n+18= +18

3n=27

3(9)=27

n=9

5 0
2 years ago
Solve by completing the square: 5x2 + 20x + 32 = 0
igor_vitrenko [27]
Your answer is no solution (because a negative square root doesn't exist)
first, you divide all sides by five and then take b, half it then square it

5 0
3 years ago
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