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jenyasd209 [6]
3 years ago
14

5x + 2y = 17 and 3x - 2y = 7 *

Mathematics
2 answers:
Inessa [10]3 years ago
8 0
5x + 3x =8x and 2y- 2y =0 so the answer is 8x I guess I’m sorry idk
Lapatulllka [165]3 years ago
4 0

Answer:

(3,1)

Step-by-step explanation:

5x + 2y = 17

3x - 2y = 7

Add the two equations to eliminate y

5x + 2y = 17

3x - 2y = 7

---------------------

8x   = 24

Divide each side by 8

8x/8 = 24/8

x =3

Now we need to find y

5x+2y = 17

5(3) +2y =17

15+2y =17

Subtract 15 from each side

15-15+2y =17-15

2y =2

Divide each side yby2

2y/2 =2/2

y=1

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Given that f(x) = x2 − 3x + 3 and g(x) = the quantity of x minus one, over four , solve for f(g(x)) when x = 5. (1 point)
Anna007 [38]

Rewrite g(x) as    x-1

                           ------

                              4

and then substitute this result for x in f(x) = x^2 - 3x + 3:

f(g(x)) = (x-1)^2 / 4^2 - 3(x-1)/4 + 3.

At this point we can substitute the value 5 for x:

f(g(5)) = (5-1)^2 / 4^2 - 3(5-1)/4 + 3

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6 0
3 years ago
Is the line through points P(0, 1) and Q(5, 0) parallel to the line through points R(–4, 3) and S(–5, 4)? Explain.
ale4655 [162]

Answer:

No

Step-by-step explanation:

Let's find the slope of both lines and then compare these slopes:

From (-4,3) to (-5,4) entails a decrease of -1 in x and an increase of 1 in y.  Thus, the slope is m = rise / run = 1/(-1) = -1.

From (0,1) to (5,0) entails an increase of 5 in x and a decrease of 1 in y.  The slope here is m = rise / run = -1/5.

For these lines to be parallel, their slopes must be the same.  That is not the case here, so NO, the lines are not parallel.



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Factor the expression completely:<br> x⁴ + 27x
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I dont know if this is right but here u goo

7 0
3 years ago
Read 2 more answers
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