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maxonik [38]
3 years ago
7

Please help with this math question :)

Mathematics
1 answer:
Nikitich [7]3 years ago
5 0
I can't see the math
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Solve this system of equations
olga_2 [115]

Answer:

D) x = 4, y = -2, z = 3

Step-by-step explanation:

x = 3z − 5

2x + 2z = y + 16

2(3z - 5) + 2z = y + 16

6z - 10 + 2z = y + 16

8z = y + 26 ---> (A)

7x − 5z = 3y + 19

7(3z - 5) - 5z = 3y + 19

21z - 35 - 5z = 3y + 19

16z = 3y + 54 ---> (B)

8z = y + 26

16z = 3y + 54

2(y + 26) = 3y + 54

2y + 52 = 3y + 54

y = -2

8z = -2 + 26

8z = 24

z = 3

x = 3(3) - 5

x = 4

8 0
3 years ago
Factor the trinomial below.
arsen [322]
Option C is your answer. 

9x² + 6x + 1
9x² + 3x + 3x + 1
3x(3x + 1) + 1(3x + 1)

(3x + 1)(3x + 1)
5 0
3 years ago
Jerry had $1,018.00 in savings. last week he spent $84.00 on a desk and $372.00 on a computer from his savings. this week at a p
liberstina [14]
Original balance $1,018.00
Desk cost -$84.00
Computer cost -$372.00
Savings from job +$44.00
Current balance = $606.00
Amount to be added to get original balance:
1018 - 606
= $412.00
3 0
3 years ago
Read 2 more answers
Graph the line that passes through the points (7, 0) and (-2, 9) and determine the equation of the line.
MariettaO [177]

Answer:

y = -1x + 7

Step-by-step explanation:

y2 - y1 / x2 - x1

9 - 0 / -2 - 7

9 / -9

= -1

y = -1x + b

0 = -1(7) + b

0 = -7 + b

7 = b

5 0
2 years ago
Solve for W <br><br> T= sqrt(5/(wc)
Gnoma [55]
T= sqrt(5/wc) remove ( ) T= 5sqrt/wc multiply by wc Twc=5sqrt divide by Tc W= 5sqrt/cT hope this helps
5 0
2 years ago
Read 2 more answers
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