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kirill115 [55]
3 years ago
10

Write f(x)= 8x^2–4x +11 in vertex form.

Mathematics
2 answers:
inn [45]3 years ago
3 0

Answer:

8(x-1/4)^2+10.5

Step-by-step explanation:

Lady bird [3.3K]3 years ago
3 0

Answer:

y=8(x-1/4)^2+21/2

Step-by-step explanation:

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Evaluate the expression when x = –11.
Aleksandr [31]
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Let's substitute the value of x in the equation

2 ( -11 ) - 19
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So correct option is D. 

Hope this helps you..  :)
5 0
3 years ago
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State if the two triangles are congruent. If they are, state how you know.
aksik [14]

Answer:

Yes they are.

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7 0
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(0201 LC)
Zigmanuir [339]

Answer:

its c

3 : 7

3/7

Step-by-step explanation:

3 0
3 years ago
If a ∝ b and a = 18 when b = 3, then find a when b = 5.
Elden [556K]

"a ∝ b" means "a is proportional to b", which in turn means there is some constant k such that

a = kb

We're given that a = 18 and b = 3, so that

18 = 3k   ⇒   k = 6

Then when b = 5, we would have

a = 6 × 5 = 30

4 0
1 year ago
An agricultural company called Phatsima Pty. Ltd. owns an rectangular fuel tank that measures 75 cm by 65 cm by 30 cm.
GaryK [48]
I believe that A is the answer. We can solve this by multiplying 75cm, 65cm and 30cm together. This would give us 146,250.00ml. We can then divide 146,250.00 by 1000 to receive 146.25. We then divide 146.25 by 2 to calculate how many litres there are in half a tank. This would result in 73.125. After that, we multiple 73.125 by the cost of the fuel, which is R20.35. We then receive R 1,480.09375, which can be rounded to R 1,480.10
3 0
1 year ago
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