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k0ka [10]
3 years ago
12

Please help!! I really need it Will mark brainliest

Mathematics
1 answer:
Fittoniya [83]3 years ago
7 0

Answer:

The last one and the second one

Step-by-step explanation:

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COMPLETING THE SQUARE<br> X^2– 2x +
Studentka2010 [4]

Answer:

x^2 -2x + 1

Step-by-step explanation:

Think of a quadratic equation as

ax^2 + bx + c

x^2 -2x +

Comparing the two equations

a = 1 ,  b = -2,  c = ?

c becomes the missing part

Divide b by 2

-2/2 = -1

square the result

-1^2

= 1  this is what to add to get a perfect square

x^2 -2x + 1

(x - 1)^2

6 0
3 years ago
Which of the following represents a moderate negative correlation? Explain.
sashaice [31]

Step-by-step explanation:

The attachment above is a table summarizing everything.

so the answer should be - 0.5

4 0
3 years ago
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PLEASE HELP ME I WILL GIVE 20 POINTS PLEASEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE I forgot how to do this stuff
VikaD [51]

Answer:

80

Step-by-step explanation:

Angles on a straight line sum to 180

65+35=100

180-100=80

angle r=80

6 0
4 years ago
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what is the surface area of the cylinder? Use 3.14 for pi and round your answer to the nearest hundredth
xeze [42]

Answer:

954.56 in²

Step-by-step explanation:

A = 2×π·r² + 2·π·r·h

= 2×3.14×64 + 2×3.14×8·11

= 401.92 + 552.64

= 954.56 in²

4 0
3 years ago
(2/3) / (-1/2)<br> How do I divide these 2 fractions?
dsp73

Answer:

Step-by-step explanation:

2/3*(-2/1)

-\frac{4}3}

Hope it helps! Please mark Brainliest if it does!

4 0
3 years ago
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