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3 years ago

8

I NEED 10 PEOPLE TO ANSWER FOR MY MATH SURVEY- What is your favorite sub-genre of rock?- you may give examples Emo/Pop Punk Clas

sic Rock Metal Grunge Classic Punk/New Wave Alternative

1 answer:

kondaur [170]3 years ago

7 0

I like pop. Hope this helps

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Among the licensed drivers in the same age group, what is the probability that

GarryVolchara [31]

Answer:

"12.5%?"

Step-by-step explanation:

before you use my answer use other peoples answers. I'm not good at som questions, sorry.

3 0

3 years ago

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FACTOR the following quadratic expression: x^2-3x-18. Clearly show your steps OR explain your reasoning and CHECK your answer by

kakasveta [241]

Answer:

The factors of x² - 3·x - 18, are;

(x - 6), (x + 3)

Step-by-step explanation:

The given quadratic expression is presented as follows;

x² - 3·x - 18

To factorize the given expression, we look for two numbers, which are the constant terms in the factors, such that the sum of the numbers is -3, while the product of the numbers is -18

By examination, we have the numbers -6, and 3, which gives;

-6 + 3 = -3

-6 × 3 = -18

Therefore, we can write;

x² - 3·x - 18 = (x - 6) × (x + 3)

Which gives;

(x - 6) × (x + 3) = x² + 3·x - 6·x - 18 = x² - 3·x - 18

Therefore, the factors of the expression, x² - 3·x - 18, are (x - 6) and (x + 3)

6 0

3 years ago

Help please, I attached the question. Is it a!? <br>

AVprozaik [17]

Answer:

A

Step-by-step explanation:

Recall that for a quadratic equation of the form:

$0=ax^2+bx+c$

The number of solutions it has can be determined using its discriminant:

$\Delta = b^2-4ac$

Where:

If the discriminant is positive, we have two real solutions.
If the discriminant is negative, we have no real solutions.
And if the discriminant is zero, we have exactly one solution.

We have the equation:

$2x^2+5x-k=0$

Thus, <em>a</em> = 2, <em>b</em> = 5, and <em>c</em> = -<em>k</em>.

In order for the equation to have exactly one distinct solution, the discriminant must equal zero. Hence:

$b^2-4ac=0$

Substitute:

$(5)^2-4(2)(-k)=0$

Solve for <em>k</em>. Simplify:

$25+8k=0$

Solve:

$\displaystyle k = -\frac{25}{8}$

Thus, our answer is indeed A.

3 0

3 years ago

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Draw 8 lines that are between 1 inch and 3 inches long. Measure each line to the nearest fourth inch, and make a line plot.

IRISSAK [1]

The length of the line is the difference between the endpoints of the line

The length of each line to the nearest fourth inch is 0.25 inch

<h3>How to measure the length of each line</h3>

The length of the horizontal line is given as:

Length = 2 inches

This is calculated as:

Length = 3 inches - 1 inch

Length = 2 inches

8 lines are to be drawn between the 1 inch and 3 inches point.

So, the length (l) of each line is:

$l = \frac{2\ inches}{8}$

Simplify the fraction

$l = \frac{1\ inches}{4}$

Divide

$l = 0.25\ inch$

Hence, the length of each line to the nearest fourth inch is 0.25 inch

Read more about line measurements at:

brainly.com/question/14366932

6 0

2 years ago

If 6 sandwich rolls cost $1.44, how much will 26 rolls cost?

tresset_1 [31]

$6.24. This is because 1.44 / 6 = 0.24, and 0.24 x 26 = 6.24.

4 0

4 years ago

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