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Nat2105 [25]
3 years ago
6

19. 5x – 3y = -3 2x + 6y = 0

Mathematics
1 answer:
Neporo4naja [7]3 years ago
3 0

Answer:

x=-1/2, y=1/6

Step-by-step explanation:

Use system of equations.

(5x – 3y = -3) *2 to get:

(10x-6y=-6)

+2x + 6y = 0

12x=-6

x=-1/2

Use either equation to find y with the x value we just found.

5(-1/2)-3y=-3

(-5/2)-3y=-3

-3y=-3+(5/2)=(-6/2)+(5/2)

-3y=(-1/2)

y=(-1/2)/(-3)

y=1/6

You can also check this on graphing websites to see where they intersect.

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Find the value of b?
oee [108]

Answer:

<h2>          b = 37</h2>

Step-by-step explanation:

Opposite angles in parallelogram are equal, so:

3b° = 111°            divide both sides by 3

b° = 37°

  b = 37

4 0
3 years ago
A florist is making 5 identical bridesmaid bouquets for a wedding. she has $610 to spend (including tax) and wants 24 flowers fo
Dafna11 [192]
R + t + L = 5(24).....r + t + L = 120
6r + 4t + 3L = 610
r = 2(t + L).......r = 2t + 2L

2t + 2L + t + L = 120
3t + 3L = 120

6(2t + 2L) + 4t + 3L = 610
12t + 12L + 4t + 3L = 610
16t + 15L = 610

16t + 15L = 610
3t + 3L = 120 ...multiply by -5
-------------------
16t + 15L = 610
-15t - 15L = - 600 (result of multiplying by -5)
-------------------add
t = 10

3t + 3L = 120
3(10) + 3L = 120
30 + 3L = 120
3L = 120 - 30
3L = 90
L = 90/3
L = 30

r = 2(t + L)
r = 2(10 + 30)
r = 2(40)
r = 80


so for all the bouquets, there are 80 roses, 30 lillies, and 10 tulips....but there are 5 bouquets...

so each bouquet has : 
80/5 = 16 roses <==
10/5 = 2 tulips <==
30/5 = 6 lillies <==




7 0
4 years ago
Two airplanes leave an airport at the same time and travel in opposite directions. One plane travels 60km\h slower than the othe
DanielleElmas [232]

Answer:

4 V + 4 (V - 60) = D    where D is distance apart after 4 hrs

8 V - 240 = 7304

V = 943 km/hr

and V2 = 943 - 60 = 883 km/hr       where second plane is 60 km/hr slower

6 0
2 years ago
Helppppppp<br><br><br><br><br> plwaseeee
lisov135 [29]

Answer:

ham

Step-by-step explanation:

ham is frein :)

6 0
3 years ago
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TÜRKLER KALDIRIRN ELLERİ
Blizzard [7]

Answer:

No, i cant

Step-by-step explanation:

3 0
3 years ago
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