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Troyanec [42]
3 years ago
9

Simplify y=(x+1)^2-blank

Mathematics
1 answer:
LenKa [72]3 years ago
7 0

Answer:

y=x^2+1

Step-by-step explanation:

When simplifying y=(x+1)^2 we have to take notice of the square and what it means.

When squaring a number it means multiplying the same number twice for example 2^2 is 2*2 which is 4.

This is the same for (x+1)^2 we multiply (x+1) twice.

So (x+1)* (x+1) is x^2 +1. The 1 stays the same because 1*1 is just one where are x*x is x^2.

So the answer is y=x^2+1

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2. Round off the following numbers to two decimal places:
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Answer:

I think you mean significant figures

Step-by-step explanation:

  1. 46000
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  3. 560000
  4. 14000
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3 years ago
PLEASE HELP ME I WILL GIVE YOU BRAINLIST AND ALL MY POINTS
Alex_Xolod [135]

Answer:

b = y-intercept; The equation is y = mx + b. The x and y variables remain as letters, but m and b are replaced by numbers (ex: y = 2x + 4, slope = 2 and y-intercept = 4). The following video will show a few examples of understanding how to use the slope and intercept from an equation.

Vertex (4, -13) y = x^2 - 8x + 3 x-coordinate of vertex: x = -b/(2a) = 8/2 = 4 y-coordinate of vertex: y(4) = 16 - 32 + 3 = -13 Vertex (4, -13) To find y-intercepts, make x = 0 --> y = 3 To find x-intercepts, solve the quadratic equation y = 0 Use the improved quadratic formula D = d^2 = b^2 - 4ac = 64 - 12 = 52 --> d = +- 2sqrt13 There are 2 x-intercepts (2 real roots): x = -b/(2a) +- d/(2a) = 8/2 +- (2sqrt13)/2 = 4 +- sqrt13 graph{x^2 - 8x + 3 [-40, 40, -20, 20]}

Step-by-step explanation:

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3 years ago
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Read 2 more answers
Samples of viewers were taken from two different movies to compare the ages of those
astraxan [27]

Answer:

The median are equal

Step-by-step explanation:

Given

I will answer this question with the attached plot (see attachment 2)

Required

The equal statistical measures

See attachment 1 on how to read a box plot

Using attachment 1 as a guide, we have the following observation

<u>Movie 2</u>                                                   <u>Movie 1</u>

Minimum=7.5                                      Minimum=10

Q_1 = 22.5                                                 Q_1 = 15

                                  Median = 30

Q_3 = 35                                                   Q_3 = 40

Maximum = 47.5                                    Maximum = 52.5

By comparison, they have equal median (30)

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Answer:

64°

Step-by-step explanation:

64°

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