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Ann [662]
3 years ago
8

4x-(-8y-3x) bnsjskskekjwjjjzi​

Mathematics
1 answer:
grigory [225]3 years ago
6 0

Answer:

7x+8y

Step-by-step explanation:

4x-(-8y-3x)

=4x+8y+3x

=7x+8y

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1,2,3, or 4 for answer
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Answer:

4

Step-by-step explanation:

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2 years ago
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Cynthia is purchasing an electric heater for $181.25, including tax. She gives the sales clerk 2 fifty-dollar bills, 7 ten-dolla
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The answer to the question is C.$0.75
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Form a polynomial f(x) with real coefficients having the given degree and zeros.
dimaraw [331]
There are many polynomials that fit the bill,
f(x)=a(x-r1)(x-r2)(x-r3)(x-r4)  where a is any real number not equal to zero.
A simple one is when a=1.
where r1,r2,r3,r4 are the roots of the 4th degree polynomial.
Also note that for a polynomial with *real* coefficients, complex roots *always* come in conjugages, i.e. in the form a±bi  [±=+/-]

So a polynomial would be:
f(x)=(x-(-4-5i))(x-(-4+5i))(x--2)(x--2)
or, simplifying
f(x)=(x+4+5i)(x+4-5i)(x+2)^2
=x^4+12x^3+77x^2+196x+164   [if you decide to expand]
6 0
3 years ago
What is an equation of the line that passes through the point
grin007 [14]

Answer:

y = 5x + 8

Step-by-step explanation:

If you want to find a equation parallel to the line given, you need to know the slope of the line given. Remember that parallel lines have the same slope.

5x - y = 4 and solving for y:

-y = -5x + 4 and solving for positive y:

y = 5x - 4

So the slope of that line is 5. We will use that along with the coordinate given to us to write the equation first in point-slope form then in slope-intercept:

y - (-2) = 5(x - (-2)) and

y + 2 = 5(x + 2) and

y + 2 = 5x + 10 so

y = 5x + 8

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3 years ago
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why do u cheat in exams lol

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