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3 years ago

PLEASE help me with this.

Mathematics

1 answer:

alexdok [17]3 years ago

3 0

Answer:

I believe C is the line of best fit because everything is spread out more evenly instead of some being spread out farther than others.

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-4(2x-3) A) 8x+12 B) 8x-12 C) -8x+12 D) -8x-12

Fofino [41]

Step 1: Multiply -4 and 2x. That would be -8x
Step 2: Multiply -4 and -3. That would be 12 because a negative number times a negative number results in a positive number.
Step 3: Put it all together (8x+12)
Answer: C

4 0

4 years ago

If the probability of success during a single event of a geometric experiment is 0.03, what is the probability of success by the

miv72 [106K]

The answer is roughly 0.39 but not exactly including other details which were not mentioned

5 0

4 years ago

Read 2 more answers

A quadratic equation is shown below:

notsponge [240]

PART A. To determine how many solution the quadratic equation has by just determining the radicand, we are going to use the discriminant of the quadratic formula. Remember that the discriminant of the quadratic formula is $b^2-4ac$ . If the discriminant is $\ \textgreater \ 0$ , the quadratic equation will have tow real solutions. If the discriminant is $\ \textless \ 0$ , the quadratic equation will have no real solution. If the discriminant is equal to zero, the quadratic equation will have one number real solution (double). We now for our equation that $a=16$ , $b=-8$ , and $c=1$ . Lest replace those values in our discriminant:
$b^2-4ac$
$(-8)^2-4(16)(1)$
$64-64=0$

Since the discriminant of our quadratic equation is zero, we can conclude that it will have one number real solution (with duplicity).

PART B. Here we are going to use the quadratic formula because even though the process will be longer, it will easier than finding common factors. Remember that the quadratic formula is: $x= \frac{-b(+ or -) \sqrt{b^2-4ac} }{2a}$ . From our quadratic equation we can infer that $a=4$ , $b=-8$ , and $c=45$ . Lets replace those values in our formula:
$x= \frac{-(-8)(+ or -) \sqrt{(-8)^2-4(4)(-45)} }{2(8)}$
$x= \frac{8(+ or -) \sqrt{64+720)} }{8}$
$x= \frac{8(+ or -) \sqrt{784} }{8}$
$x= \frac{8(+or-)28}{8}$
$x= \frac{8+28}{8}$ or $x= \frac{8-28}{8}$
$x= \frac{9}{2}$ or $x=- \frac{5}{2}$

We can conclude that the solutions of our quadratic equation are tex]x= \frac{9}{2} [/tex] and $x=- \frac{5}{2}$ .

3 0

4 years ago

-17+6+(-3) simplify each expression show your work

Maru [420]

THE ANSWER IS -14

-17+6+(-3)

-17+3

-14

4 0

3 years ago

Find the equation of the line shown in the graph!! Help ):

Oksanka [162]

Answer:

y=3/5x+1 is the equation

6 0

3 years ago