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Lesechka [4]
2 years ago
14

Is this a function? I will mark you as most brilliance if you get this right!

Mathematics
1 answer:
Katarina [22]2 years ago
3 0

Answer:

1y 2n 3n

Step-by-step explanation:

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Find the percent: 80% of 8
8090 [49]

Answer:

6.4

Step-by-step explanation:

4 0
3 years ago
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Answer in factored form x^2+11x+7
KATRIN_1 [288]
X² <span>+ 11x + 7

because 7 is a prime number, this doesn't factor prettily. you'll want to use the quadratic formula; if you aren't familiar with it, i'd either research it or look it up in your textbook, because it's clunky and not easily understood in this format:

(-b </span>± √((b)² - 4ac))/(2a)

in your equation x² + 11x + 7 ... a = 1, b = 11, and c = 7. what you do is you take the coefficients of every term, then plug it into your equation:
(-11 ± √((11)² - 4(1)(7))/(2(1))

not pretty, i know. but, regardless, you can simplify it:
(-11 ± √((11)² - 4(1)(7))/(2(1))
(-11 ± √(121 - 28))/2
(-11 ± √93)/2

and you can't simplify it further. -11 isn't divisible by 2, and 93 doesn't have a perfect square that you can take out from beneath the radical. the ± plus/minus symbol indicates that you have 2 answers, so you can write them out separately:

(x - (-11 - √93)/2) and (x + (-11 - √93)/2)

they look confusing, but those are your two factors. they can be simplified just slightly by changing the signs in the middle due to the -11:

(x + (11 + √93)/2) (x - (11 - √93)/2)

and how these would read, just in case the formatting is too confusing for you: x plus the fraction 11 + root 93 divided by 2. the 11s and root 93s are your numerator, 2s are your denominator.
7 0
3 years ago
A square has a side length of 4 cm. What is the length of the diagonal of the square? What is the length from the corner to the
masya89 [10]
The length of the diagonal of the square is the square root of 32 which equals approximately 5.6569.
The length from the corner to the center of the square is half of the diagonal which is 2.8284. I hope this helps!
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Which two transformations are applied to pentagon ABCDE to create A'B'C'D'E'?
vekshin1
The answer is C. I need a total of 20 characters so heres a smiley face:)
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3 years ago
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Ludmilka [50]
He will have 30 % in 2 years which is 30.00 dollars
6 0
2 years ago
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