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igomit [66]
3 years ago
14

Which equation best represents the line in the graph​

Mathematics
1 answer:
bulgar [2K]3 years ago
4 0
Answer:

G

Explanation
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Sarah has a garden. The four sides of the garden are made out of wood. The garden has four rows. In each row, there are three se
kaheart [24]
12, because 4 rows and 3 sections in each 

4x3=12
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3 years ago
Use the tens frame to help you solve the problem below 8+4×10
ipn [44]
Instead i use pemdas so the answer to this problem would be 48 
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3 years ago
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n^2-2n-3 where n is the number of key rings in thousands, find the number of key rings sold when the profits is $5,000
ArbitrLikvidat [17]

Answer:

For the profit of $5,000, the key chains made is n = 4,000.

Step-by-step explanation:

Here the given expression , where: n = Number of key rings in thousands is given as:

P(n)  =   n²- 2 n - 3

Now, Profit is given to be $5,000.

Also, as we know 5000 = 5  x (1,000)

⇒  n²- 2 n - 3 = 5

Now, solving the above expression for the value of n, we get:

n^2 -  2 n - 3 = 5\\\implies  n^2  -2n - 8  =  0\\\implies  n^2  -4n +  2n - 8  =  0\\\implies n(n-4)  + 2(n-4)  = 0\\\implies (n-4) (n+2)  = 0

So, n = 4, OR , n = -2

Now, as n = The number of key chains. So it CANNOT BE NEGATIVE.

So,  n=  4  =  4 x (1,000)  = 4,000 key rings.

Hence, for the profit of $5,000, the key chains made is n = 4,000.

8 0
3 years ago
find the vertex, the equation and axis of symmetry, and the y-intercept of the graph of y=-3x^2-13x+3
stepladder [879]

Answer:

Vertex: (13/6,-133/12)

Axis of symmetry: x=13/6

y-intercept: y=3

Step-by-step explanation:

6 0
3 years ago
Using completing the square to solve for x in the equation (x-12)(x+4)=9
Vladimir79 [104]
Hello!

You can multiply (x-12) and (x+4)

x * x = x^2
x * 4 = 4x
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Now we have

x^2 - 8x - 48 = 9

Subtract 9 from both sides

x^2 - 8x -57 = 0

Use the quadratic formula

This give use the answer of

x = 4 +\sqrt{72}

Hope this helps!
3 0
3 years ago
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