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Hoochie [10]
3 years ago
11

What is a demand schedule?

Mathematics
1 answer:
Alekssandra [29.7K]3 years ago
7 0
The answer is C You welcome
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4x²-y²=171 and 2x-y=9, value of 2x+y
Anna007 [38]
So you will need to solve for x and y before evaluating 2x+y....

2x-y=9, y=2x-9  now this will make 4x^2-y^2=171 become:

4x^2-(2x-9)^2=171

4x^2-(4x^2-36x+81)=171

36x-81=171

36x=252

x=7, now we can use 2x-y=9 to solve for y...

2(7)-y=9

14-y=9

-y=-5

y=5

now we know that x=7 and y=5, 2x+y becomes:

2(7)+5

14+5

19
4 0
3 years ago
3(2x+4y) distributive property review just need an answer like 5c+15
frozen [14]

Answer:

6x + 12y

Step-by-step explanation:

Using distributive property means multiplying the number outside of the parentheses to each individual number within the parentheses:

3 × 2x = 6x

3 × 4y = 12y

Since there is an addition sign within the parentheses, we add these two numbers together. However, they are not like terms so their sum cannot actually be calculated

6x + 12y

7 0
3 years ago
Find the value of k if y-' is a factor of y³ + 4y² + ky - 6 ​
ki77a [65]

Answer:

1

step by step explanation

hope this helps :)

7 0
3 years ago
There is a pair of parallel sides in the following shape.
vodka [1.7K]
The shape is a triangle, which only has 3 sides.
3 0
2 years ago
Please help me solve each question! Make sure to show work so I can earn full credit.
omeli [17]

(1)

5x-5\geq10\,\,\mbox{or}\,\,-3x+1>13\\5x\geq15\,\,\mbox{or}\,\,-3x>12\\x\geq3\,\,\mbox{or}\,\,x

(2)

5x + 3\leq18 \,\,\mbox{and}\,\,4 - x < 6\\5x\leq15 \,\,\mbox{and}\,\,- x < 2\\x\leq3 \,\,\mbox{and}\,\,x > 2\\2

8 0
3 years ago
Read 2 more answers
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