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denpristay [2]
3 years ago
10

What is the value of (7 – 3i)(6 + i)?

Mathematics
1 answer:
Dimas [21]3 years ago
8 0
45 - 11i is the answer! And make sure you double check.
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Y=(3/5)x -3 and 5y =3x-10 these lines are and the second question?
azamat
Look at the first line:  y = (3/5)x - 3.  What happens if you multiply each term by 5, to eliminate the fraction?

5y = 3x - 3

Compare this to the second equation, 

5y - 3x = -10, or 5y = 3x - 10.

The coefficients of x and y (as 3 and 5 here) determine the slope of a straight line.  Since 5y = 3x is present in both equations, the two lines MUST be parallel.



y = 4
4y = 6   =>   y = 6/4

y+4 and y =3/2 are both horizontal lines.  Since they are horiz., they are parallel.


4 0
3 years ago
Choose the product of –3y2(–4y3 + y – 9).
Nina [5.8K]

Answer:

D

-3 * (-4) matches, as well as the powers (I guess you wanted to communicate that these are powers, but it would also be correct if these where factors)

6 0
2 years ago
Which absolute value function, when graphed, represents the parent function, f(x) = |x|, reflected over the x-axis?
Gala2k [10]
Reflecting the point (x, y) over the x-axis transforms it to the point (x, -y). Then the points (x, f(x)) on the graph of f(x) will be transformed to (x, -f(x)) when the graph is reflected over the x-axis.

The reflection of the function f(x) = |x| is -f(x) = -|x|. If we name the reflected function f(x), we have
  f(x) = -|x|
3 0
3 years ago
Read 2 more answers
The measure of an angle is 107.4 what is the measure of its supplemental angle ?
Alborosie

Answer:

72.6

Step-by-step explanation:

180-107.4 = 72.6

4 0
2 years ago
What is the quotient of 1/5 divided by 2
vovangra [49]

Answer:

1/10 or 10 :)

Step-by-step explanation:

it’s like mutipying but you don’t do the top

do a model

4 0
3 years ago
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