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KIM [24]
3 years ago
14

X squared +64=5x squared. I am looking for the solution set

Mathematics
1 answer:
My name is Ann [436]3 years ago
4 0
5x^2= x^2+64
-x^2= -x^2
4X^2= 64
Divide by 4
X^2= 16
X= positive 4 and negative 4
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Max wants to run 512 miles to train for track season. If the total length around the track is
GalinKa [24]

Max needs to run 15 laps around the track.

Step-by-step explanation:

Given,

Distance Max wants to run = 512 miles

Length around the track = 34 mile

34 miles = 1 lap

1 mile = \frac{1}{34}\ laps

512 miles = \frac{1}{34}*512

512 miles = 15.06 laps

Rounding off to nearest whole number;

512 miles = 15 laps

Max needs to run 15 laps around the track.

Keywords: unit rate, division

Learn more about division at:

  • brainly.com/question/12868188
  • brainly.com/question/12892285

#LearnwithBrainly

4 0
3 years ago
If P(x) = 12x3 + 11x2 - 9x + 10 and<br> Q(x) = 4x2 – 3x + 2, find<br> P(x) + Q(x)
aniked [119]

Answer:

12x^3+15x^2-12x+12

Step-by-step explanation:

P(x) = 12x^3 + 11x^2 - 9x + 10

Q(x) = 4x^2 – 3x + 2

P(x) + Q(x) = 12x^3 + 11x^2 - 9x + 10+ 4x^2 – 3x + 2

Combine like terms

                 =12x^3+11x^2+4x^2-9x-3x+10+2

                  =12x^3+15x^2-12x+12

4 0
3 years ago
Suppose that josh starts a new job on which he is paid $1 the first day, $2 the second day, and so on, with his earning doubling
Natali [406]

Answer:

500

-by-step explanation:

1000/2

8 0
2 years ago
Solve the inequality. 4x+6&lt;3x-5 A)x&lt;1 B) x&lt;11 C) x&lt;-1 D)x&lt;-11
klasskru [66]

4x + 6 < 3x - 5 is our given inequality

4x < 3x -11 by subtracting 6 on both sides of the inequality sign

x < -11 by subtracting 3x on both sides.


Thus, x < -11 -- choice D -- is the solution.

4 0
3 years ago
marc makes $35 pr hour. he works 40 hours per week and gets commison of 15%on his total sales. how much should marc sell to make
Sophie [7]

Answer:

27

Step-by-step explanation:

dollars per hour

4 0
3 years ago
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