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Fiesta28 [93]
2 years ago
12

3x2 – 7x 7x = 4x – 8​

Mathematics
2 answers:
eimsori [14]2 years ago
6 0
14/53 is the answer I got
ratelena [41]2 years ago
5 0

Answer:

x =−1−√93/23,−1+√93/23

Step-by-step explanation:

x=0.37581090…,−0.46276742...

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Question 4
ololo11 [35]

Answer:

4570

Step-by-step explanation:

5 0
2 years ago
Which rate converts to a unit rate of 65 miles per hour
bulgar [2K]
(lol were both doing unit rate rn im just pausing to do some brainly questions)

We know that Unit Rate can be found by dividing. 
i think you want the answer right now so if you need an explanation then tell me in the comments
Its number A. Hope this helped!
3 0
3 years ago
The sale price of last year’s hottest game is 45% off the retail price. The game sold last year for $92.00. What is the sale pri
irina [24]

Answer: D $133.40

Step-by-step explanation:

SP $92.00

Discount = 45%

Sale price = 92 x 1.45 = 133.40

5 0
3 years ago
How many feet of chain fence are necessary to I close a dog pen that is square and had an area of 64 square feet?
morpeh [17]

Answer:

32

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Solve the system of equations y=3x. <br> y=x^2-4
aleksandr82 [10.1K]

Answer:

  (x, y) = (-1, -3)  or  (4, 12)

Step-by-step explanation:

A graphing calculator can show the solutions to this system.

__

You can equate expressions for y and solve for x.

  3x = x^2 -4

  x^2 -3x = 4 . . . . add 4-3x

  x^2 -3x +2.25 = 6.25 . . . . complete the square by adding (-3/2)^2 where -3 is the coefficient of x.

  (x -1.5)^2 = 2.5^2 . . . . . . rewrite as squares

  x -1.5 = ±2.5 . . . . . . . . . . take the square root

  x = 1.5 ± 2.5 = -1, +4

  y = 3x = -3, +12, respectively

Solutions are ...

  (x, y) = (-1, -3) . . . . and . . . . (4, 12)

8 0
3 years ago
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