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3 years ago

Need help with statistics please answer!

Mathematics

1 answer:

Crazy boy [7]3 years ago

7 0

Answer:

The city with the greater population density is Chicago because 2,700,000 > 440,000

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7. Which two equations are equivalent?

sineoko [7]

Answer:

C. $y=(x-3)^2$ and $y=x^2-6x+9$

Step-by-step explanation:

before answering the problem let us remind the formula for square of sum and differences

$(a+b)^2=a^2+2 \times a \times b + b^2$

$(a-b)^2=a^2-2 \times a \times b + b^2$

We are going to use the above two formulas to solve each part and come to an answer

A. $y = (x + 3)^2$

$(x + 3)^2=x^2+2 \times x \times 3 + 3^2$

$(x + 3)^2=x^2+6x+9$

Hence this option is not correct pair

B. $y = (x-5)^2$

$(x - 5)^2=x^2-2 \times x \times 5 + 5^2$

$(x -5)^2=x^2-10x+25$

Hence this option is also not correct pair

C. $y = (x -3)^2$

$(x - 3)^2=x^2-2 \times x \times 3 + 3^2$

$(x -3)^2=x^2-6x+9$

Hence this option is correct as it have equivalent pair

D. $y = (x + 5)^2$

$(x + 5)^2=x^2+2 \times x \times 5 + 5^2$

$(x + 5)^2=x^2+10x+25$

Hence this option is also not correct pair

6 0

3 years ago

La propiedad del producto cero indica que si la multiplicación de dos valores es igual a cero, se puede decir que alguno o ambos

nadezda [96]

Can u put that in English please?

3 0

3 years ago

What is the slope of a line parallel to a line whose equation is 4y-6y=15

svp [43]

First, did you mean 4y - 6x = 15?

8 0

3 years ago

2)5x + 3 is an example of???

expeople1 [14]

Answer:

Expression

Step-by-step explanation:

3 0

2 years ago

In a race, 16 out of the 25 bicyclists finished in less than 51 minutes. What percent of bicyclists

Sholpan [36]

I think it’s 25x if not send the equation answers

3 0

2 years ago