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larisa [96]
3 years ago
7

Using the completing-the-square method, rewrite f(x) = x2 − 8x + 3 in vertex form.

Mathematics
1 answer:
Ksivusya [100]3 years ago
6 0
F(x)= (x+4) ^{2} -13 is the answer
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The school store sells 4 pencils for $0.50. At this rate, what is the cost in dollars) of 10 pencils?
Pachacha [2.7K]

Answer:

1.25

Step-by-step explanation:

10/4=2.5

2.5*0.5

7 0
3 years ago
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Which value of m will create a system of parallel lines with no solution?
Pepsi [2]
Rearranging y = 8x -4y = 12 in the y = mx + b form gives y = 2x - 3

y = 2x - 3

y = mx - 6 (already in y = mx + b form)

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Parallel lines have the same slope.

m = 2

Note that the two lines have the different y-intercepts and are not the same line.
3 0
3 years ago
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I have 1 apple I need 6 more to get to 7 so I pick 3 up eat 2 which picking up 4 more , how many apples do I have?
natita [175]

Answer:

6

Step-by-step explanation:

1+3=4  4-2=2  2+4=6

7 0
3 years ago
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Hey! Can you help out a bit?
Lady_Fox [76]
k:y=m_1x+b_1;\ l:y=m_2x+b_2\\\\k\ \perp\ l\iff m_1m_2=-1\\====================================\\k:y=-x-2;\ l:y=mx+b\\\\k\ \perp\ l\iff-1\cdot m=-1\Rightarrow m=1\\\\l:y=1x+b\to y=x+b\\\\(4;\ 1)\to substitute\ x=4\ and\ y=1\ to\ y=x+b:\\\\4+b=1\\b=1-4\\b=-3\\\\Answer:y=x-3
5 0
3 years ago
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Help plz................
Pani-rosa [81]
You have the formula. Put in the numbers and solve for r.

The interest earned in 4 years on 5000 is (6500 -5000) = 1500.
.. I = Prt
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7 0
3 years ago
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