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tiny-mole [99]
3 years ago
8

COMPLETING THE SQUARE X^2– 2x +

Mathematics
1 answer:
Studentka2010 [4]3 years ago
6 0

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

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gayaneshka [121]

Answer:

Step-by-step explanation:

volume of water

=\frac{1}{2}*50*40*60=60000 ~cm^3

when the base is 100×60

let h be depth of water.

100×60×h=60000

h=60000/6000=10 cm.

4 0
3 years ago
How can you show that two objects are proportional with an equation
Andreas93 [3]
You can show that (y) is proportional to (x) by writing:



This would mean that:



Whereby (k) would be the constant of proportionality.

This value can be an element of a real number.

k∈R

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Integers, rational numbers and irrational numbers.

Example of a graph which would show that 2 objects are proportional:

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8 0
3 years ago
Can anyone help please?
Neko [114]

Answer:

Step-by-step explanation:

(–10,–3)

(–8,–4)

(–6,–5)

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5 0
3 years ago
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A movie was shown 6 times every day from November 24 through December 19. How many times was the movie shown in all? (Note: The
katen-ka-za [31]

Answer:

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You get the answer 138

Step-by-step explanation:

4 0
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vitfil [10]

Answer:

i think D. 4x4x4 = 64 is answer

Step-by-step explanation:

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