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monitta
3 years ago
6

20 points each math answer with optional explination

Mathematics
2 answers:
fenix001 [56]3 years ago
6 0
<h2>Answer:</h2>

[D] <u>The coefficient of the x²-term must be positive</u>.

It is because <u>quadratic equation</u> must be in form ax² + bx + c where a, b, c are integers.

Kisachek [45]3 years ago
4 0
I believe it is B. Correct me if I’m wrong.


I hope this helped!

I would appreciate it if you gave me a Thanks and a brainliest (:
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What’s the best way to revise for maths? can never remember how to do anything.
Allisa [31]

Repetition is a guaranteed way to learn something. If it is a formula you need to learn, try doing flashcards and reading it over and over again until you can spell it without the flahcard. If it is something like factoring, just do a bunch of factoring problems until you get the feel of it.

8 0
3 years ago
If f(x) = x² - 2x, find:<br> ƒ(6) = [ ? ]
zhannawk [14.2K]

<u>Answer:</u>

24

<u>Step-by-step explanation:</u>

To find ƒ(6), we have to substitute x = 6 into the expression for ƒ(x):

ƒ(6) = (6)² - 2(6)

      = 36 - 12

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7 0
2 years ago
Simplify using exponents: B12/B5
stiks02 [169]
I think what you mean is:
\frac{b^{12}}{b^{5}}

Then using our rules of exponents, this is the same as
b^{12-5}=b^{7}
8 0
3 years ago
Which equation represents a line which is parallel to the line x-8y=48 x−8y=48?
Daniel [21]
When the slopes of two lines are equal,they are parallel.
x - 8y = 48 \\  - 8y =  - 1x + 48 \\ y =  \frac{1}{8}x  + 6
so the equation of the parallel line to this one is :
y =  \frac{1}{8} x
hope this helps
3 0
3 years ago
OMG JUST REALIZED I FORGOT TO PUT PICTURES THE FIRST 2 TIMES SO SORRY PLEASE HELP!
saul85 [17]

I got it now!

(hold your applause)

Area of the rectangle is 12 to the power of 2 (or you can just say squared) and that equals 144cm squared

the area of the circle is pi radius squared (in this case radius is 3) and it equals 9 pi squared

to get the shaded area that is last over with the circles removed you would have to do (144)-(9pi) (this part is unachievable without a calculator that has the pi symbol to fill in instead of just writing 3.14) and after you get the answer of that which is 115.725666118

and that amount you must do the same with so it would be

(115.725666118)-(9pi) and that equals ...............

87.4513322357

(you may now applaud)

5 0
3 years ago
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