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MaRussiya [10]
3 years ago
13

Solve the following using factoring x²+12=7×​

Mathematics
1 answer:
DerKrebs [107]3 years ago
5 0

Answer:

(x-4)(x-3)

Step-by-step explanation:

x^2+12=7x  move the 7x to the other side

x^2-7x+12

(x-4)(x-3)

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Each football player is recommended to drink a minimum of 540 milliliters of water for every 1 hour of play. Aaron expects to pl
Pani-rosa [81]

Answer:

Aaron will have enough water for 3 hours. he should have 380 milliliters left.

3 0
3 years ago
Someone please help!
erastova [34]

Answer:

  • k = 6.26

Step-by-step explanation:

Find the midpoint of each frequency range, multiply that number by the frequency, sum up and divide by the total frequency.

This will give the mean number.

<u>The mean is:</u>

  • [17*( 3 + 3.5)/2 + 21*(3.5 + k)/2 + 33*(k + 4)/2 + 54*(4 + 4.5)/2 + 15*(4.5 + 6)/2]/140 = 4.09
  • 55.25 + 10.5k + 36.75 + 16.5k + 66 + 229.5 + 78.75 = 140*4.09
  • 17k + 466.25 = 572.6
  • 17k = 572.6 - 466.25
  • 17k = 106.35
  • k = 106.35/17
  • k = 6.26

Note, I expected the value of k between 3.5 and 4. This is a bit of illogical outcome.

8 0
3 years ago
The circumference of a circular field is 175.84 yards. What is the diameter of the field?
Travka [436]

Answer:

Circumference =pie = d

So d=175.84/3.14

4 0
3 years ago
Here are 7 numbers.
SIZIF [17.4K]

Answer:

3.06

I hope this helps you :)

4 0
3 years ago
Please help on this one!
tiny-mole [99]

We can usually get a couple of facts for these that let us rule out answers without working out all the details.

The green and red areas are below a CUP parabola, opening up.  CUP stands for concave up positive, and tells us there's a positive coefficient on x².  Unfortunately all the choices have a positive 1 coefficient, no help here.

Since the areas are below they're going to be y ≤ x² + other stuff.  That rules out B and C.  

The red and blue parts are below the line, and the line has a positive slope.  So that's y ≤ mx + b where m>0 is the positive slope.  That rules out D with the negative slope.


Answer: A


7 0
3 years ago
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