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3 years ago

Please help with 2!!

Mathematics

1 answer:

ziro4ka [17]3 years ago

3 0

If u find the answer put square 2 bc its had 4 sides

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How many variables are displayed in a scatterplot?

Oksanka [162]

Scatter plots are an awesome way to display two-variable data (that is, data with only two variables) and make predictions based on the data.

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3 years ago

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I NEED HELP QUICK 40 POINTS PLEASEEEEE

Zepler [3.9K]

Answer:

(4, 2.5)

Step-by-step explanation:

2.5 = 2 $\frac{1}{2}$

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3 years ago

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consider the function f(x) = x2 2x – 15. what are the x-intercepts of the function? left-most x-intercept: ( , 0) right-most x-i

eimsori [14]

we have

$f(x)=x^{2} +2x-15$

we know that

The x-intercept is the value of x when the value of the function is equal to zero

in this problem

Find the roots of the function

equate the function to zero

$x^{2} +2x-15=0$

Group terms that contain the same variable, and move the constant to the opposite side of the equation

$x^{2} +2x=15$

Complete the square. Remember to balance the equation by adding the same constants to each side

$x^{2} +2x+1=15+1$

$x^{2} +2x+1=16$

Rewrite as perfect squares

$(x+1)^{2}=16$

Square root both sides

$(x+1)=(+/-)\sqrt{16}$

$(x+1)=(+/-)4$

$x=-1(+/-)4$

$x1=-1+4=3$

$x2=-1-4=-5$

$x^{2} +2x-15=(x-3)(x+5)$

therefore

the answer is

the x-intercepts are the points $(3,0)$ and $(-5,0)$

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3 years ago

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The order of operations is used to blank numerical expressions

Anna11 [10]

The order of operations is used to order numerical expressions

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1 year ago

>> What is the value of x that makes PQ|| RS? plssss help. i need help bad

kirill [66]

Answer: 55

Step-by-step explanation:

By the alternate exterior angles theorem,

$3x-65=2x-10\\x-65=-10\\x=55$

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1 year ago