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svet-max [94.6K]
2 years ago
12

Find answer to picture problem

Mathematics
1 answer:
Wewaii [24]2 years ago
3 0

Answer:

Can you add the picture please???

Step-by-step explanation:

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Which is the best first step and explanation for solving this system of equations?
Volgvan

Answer:

x=-4/9, y=10/3. (-4/9, 10/3).

Step-by-step explanation:

3x+4y=12

3x=2y-8

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

2y-8+4y=12

6y-8=12

6y=12+8

6y=20

y=20/6

simplify,

y=10/3

3x=2(10/3)-8

3x=20/3-8

3x=20/3-24/3

3x=-4/3

x=(-4/3)/3

x=(-4/3)(1/3)=-4/9

x=-4/9, y=10/3. (-4/9, 10/3).

7 0
3 years ago
31= -(1+p) +4CP+6)<br><br> Please help solve
Dimas [21]

Answer:

p=4CP - 26

C= p/4P + 13/2P

P= P/4C +13/2C

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
Factor 9x^2+66xy+121y^2
Korvikt [17]
Answer: (3x + 11y)^2

Demonstration:

The polynomial is a perfect square trinomial, because:

1) √ [9x^2] = 3x

2) √121y^2] = 11y

3) 66xy = 2 *(3x)(11y)

Then it is factored as a square binomial, being the factored expression:

 [ 3x + 11y]^2

Now you can verify working backwar, i.e expanding the parenthesis.

Remember that the expansion of a square binomial is:

- square of the first term => (3x)^2 = 9x^2
- double product of first term times second term =>2 (3x)(11y) = 66xy
- square of the second term => (11y)^2 = 121y^2

=> [3x + 11y]^2 = 9x^2 + 66xy + 121y^2, which is the original polynomial.

7 0
3 years ago
Zu questions
frutty [35]

Answer:

esfgkjfvgghhhhhhjjhhhhhgfffghjjkkokkkjrdgsgegfggy

7 0
2 years ago
A store decreases the price of an item from 120 to 90. what is the percent decrease
vampirchik [111]

There is a 25% decrease because the decrease is 30, which is 25% of 120.

8 0
3 years ago
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