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emmasim [6.3K]
3 years ago
9

How do I solve the problem

Mathematics
1 answer:
Grace [21]3 years ago
6 0
Solution 1: 5x + 2y = 3  

Solution 2: 3x - 2y = 5

Graphic Organizer: 2(y) + 5(x) = 3
-2(y) + 3(x) = 5

The value of 'x' in solution 2

3(x) = 2(y) + 5
x = 2(y)÷ 3 + 5÷3

The value of 'y' in solution 1

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

y-intercept ➡ -1

x-intercept in both of The solutions!
(2÷ 3)(-1)+5÷ 3 = 1 

x-intercept : 1
y-intercept : -1

Your answer would have to be

(1, -1)
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Todd has twice as many songs in his playlist as Vlad. Becca has three times as many songs in her playlist as Todd. If all three
nikitadnepr [17]

Answer:

Todd has 540540 songs in his playlist.

Vlad has 270270 songs in his playlist.

Becca has 162162 songs in her playlist.

Step-by-step explanation:

# of songs Todd has = T

# of songs Vlad has = V

# of songs Becca has = B

1) Todd has twice as many songs in his playlist as Vlad:

T=2V

2) Becca has three times as many songs in her playlist as Todd:

B=3T

3) All three people have a total of 243243 songs in their playlists:

T+V+B=243243

Because T=2V then you can substitute T as 2V in the second equation:

B=3(2V)

B=6V

Now in the final equation, you can substitute everything for V:

2V+V+6V=243243

9V=243243

V=27027

Now substitute for T:

T+1/2T+3T=243243

9/2T=243243

T=54054

Now substitute for B:

1/3B+1/6B+B=243243

3/2B=243243

B=162162

Check answers:

27027+54054+162162=243243

243243=243243

3 0
3 years ago
Factor completely <br> 4x^2 + 24x - 64
lara31 [8.8K]
First see you can factor out 4. What is left is x^2 + 6x - 16.
That can be factored as (x+8)(x-2) so the total factorization is

4(x+8)(x-2)
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Answer:

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Step-by-step explanation:

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Answer:

2

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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3 years ago
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