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kotegsom [21]
1 year ago
8

After working for 25 hours when water made $375. after working for 40 hours lamar made $600. predict how much he would make up t

o 10 hours of work.
Mathematics
1 answer:
vladimir1956 [14]1 year ago
8 0
Lamar would make $150 after working for 10 hours
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Distance between (2,7) and (-1,3)
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along the x it moved 3 and along the y it went 4

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Circle D circumscribes ABC and ABE. Which statements about the triangles are true?
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3 years ago
I'm confused. Can someone help?
VARVARA [1.3K]

a.

The polynomial w^2+18w+84 cannot be factored

The perfect square trinomial is w^2+18w + 81

----------

The reason the original can't be factored is that solving w^2+18w+84=0 leads to no real solutions. Use the quadratic formula to see this. The graph of y = x^2+18x+84 shows there are no x intercepts. A solution and an x intercept are basically the same. The x intercept visually represents the solution.

w^2+18w+81 factors to (w+9)^2 which is the same as (w+9)(w+9). We can note that w^2+18w+81 is in the form a^2+2ab+b^2 with a = w and b = 9

================================================

b.

The polynomial y^2-10y+23 cannot be factored

The perfect square trinomial is y^2-10y + 25

---------

Using the quadratic formula, y^2-10y+23 = 0 has no rational solutions. The two irrational solutions mean that we can't factor over the rationals. Put another way, there are no two whole numbers such that they multiply to 23 and add to -10 at the same time.

If we want to complete the square for y^2-10y, we take half of the -10 to get -5, then square this to get 25. Therefore, y^2-10y+25 is a perfect square and it factors to (y-5)^2 or (y-5)(y-5)

8 0
3 years ago
PLEASE HELP MEEE <br><br> :))
ivanzaharov [21]

Answer:

Question (1) is 5

Step-by-step explanation:

3x3=9

9+1=10

10

— = 5

2

5 0
2 years ago
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