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3 years ago

Answer these three questions:

Mathematics

1 answer:

DanielleElmas [232]3 years ago

4 0

Answer:

I never was affected because ive been on homeschool my whole life

I learned that i love art and god comes first

I need him in every aspect of my life

Step-by-step explanation:

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When Jeremy made 8 black and white copies and 2 color copies at a copy shop, the cost was $1.20. When he made 10 black and white

NNADVOKAT [17]

I think it’s A and it’s B at the most but still...A

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3 years ago

A car travels from City A to City B at

Debora [2.8K]

Answer:

90? maybe... i'm not positive but i hope it helped

Step-by-step explanation:

3 0

3 years ago

Chelsea has four hours of free time on Saturday. She would like to spend no more than 2/3 of an hour on each activity. How many

Galina-37 [17]

Namely, how many times 2/3 goes into 4, well, let's just divide them then

$\bf \cfrac{\stackrel{\textit{total hours}}{4}}{\stackrel{\textit{hours per activity}}{\frac{2}{3}}}\implies \cfrac{\quad \frac{4}{1}\quad }{\frac{2}{3}}\implies \cfrac{4}{1}\cdot \cfrac{3}{2}\implies \cfrac{12}{2}\implies 6$

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3 years ago

Don’t understand number 5. HELP

denis23 [38]

Domain is the x value. So you would just plug in every value in the domain set into the f(x) function.

5 (-2) + 4 =
-6
5 (3) + 4 =
19
5 (5) + 4 =
29

Your answer is B.

3 0

3 years ago

How to factor 6n2 - 6n - 12

alexandr402 [8]

We see that in these 3 terms, 6 is a common factor. So, let's factor out a 6:

$6n^2-6n-12 = 6(n^2-n-2)$

We can set this equal to 0 and factor by using the quadratic formula which is:

$x = \frac{-b \pm \sqrt{b^2-4ac} }{2a}$

So, let's do just that:

$6(n^2-n-2) = 0$

Note that the 6 goes away if you divide both sides by 6. In this case, a = 1, b = -1, and c = -2. Let's plug that into the quadratic equation:

$\frac{1 \pm \sqrt{(-1)^2-4(1)(-2)} }{2(1)} = \frac{-1 \pm \sqrt{1-(-8)} }{2}$

$\frac{-1 \pm \sqrt{9} }{2} = {1, -2}$

So, we can write this as:

$6n^2 - 6n - 12 = 6(n-1)(n+2)$

Notice that the 6 comes back because it was only temporarily mad. And that the roots have opposite signs in the parentheses because to find the roots, you need to set each parentheses equal to 0 and solve for n. With that in mind, your final answer is 6(n-1)(n+2). Hope I could help you!

7 0

3 years ago