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yKpoI14uk [10]
2 years ago
12

Will Mark Brainliest!!! I Need Help With #6

Mathematics
1 answer:
netineya [11]2 years ago
8 0

Answer:

6 and half for 27

Step-by-step explanation:

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Can someone please help me with the second question….will give brainliest :(
Andrej [43]

Answer:

2

Step-by-step explanation:

7 0
3 years ago
Hhhhhheeeeeeeellllpppp​
Leni [432]

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3 years ago
Find the distance between (-3, -11) and (8, -42)
Marianna [84]

Answer:

32.8937 units

Step-by-step explanation:

So, we can imagine this as a right triangle with a length of 11 (THe change of the X's) and the height being 31 (Change of the Y's)

Then we use pythagorean therom to find the hypotenuse (the length)

11^2 + 31^2 = c^2

121+961 = C^2

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32.8937units

3 0
2 years ago
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
Twice a number plus four equals 6
maks197457 [2]

Answer:

2(x) +4 = 6

2(x) +4 -4 = 6 - 4

2x = 2

2x/2 = 2/2

x = 1

Step-by-step explanation:

7 0
3 years ago
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