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ikadub [295]
4 years ago
6

May Someone please answer this hard math question for me?

Mathematics
1 answer:
ira [324]4 years ago
7 0

Im thinking line x, because the coordinates on lines y & e and f & z are the same, but flipped (first touching point for f is (3, 1) and first touching point for e is (1, 3). It gives the rules for lines y & e and f & z, but not for x? And line x is the only one that doesn't have another line like this.

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Should the line of best-fit travel through the origin of the graph . Explain your reasoning
igomit [66]
No because if it does then you had no human error and based on what your graphing it is very unlikely that when you have zero at your x axis you will also reasonably be at zero on your y axis! Hope this helps you
7 0
3 years ago
Any help I don’t really understand this
DENIUS [597]
Comment
The point is how to remove the brackets when a minus sign is on the left hand side. A second problem is how to get all the terms on one side over to the other.

Step One
Remove the brackets on the left side. This is an absolutely necessary step in the rest of your mathematical studies. What was done in this step affects all three terms on the inside of the brackets. Minus signs are real bad things to misuse. Study carefully how to change the signs when multiplying by a minus. 

Rule a minus sign outside the brackets, when multiplied by anything inside the brackets, change the <span>sign to the opposite of what it was</span>.

-20 + 4x + 5x^2 = 20 - 7x^2

Comment
Before doing the last step, look at the answers. Two of them are 40. That is the answer for 20 and -20 when transferred. It's 40 which is a plus. So you should be transferring from left to right.

Step Two 
Transfer from left to right.
-20 + 4x + 5x^2 = 20 - 7x^2      Add 20 to both sides.
4x + 5x^2 = 20 + 20 - 7x^2      Subtract 4x from both sides.
5x^2 = 40 - 7x^2 - 4x                Subtract 5x^2 from both sides
0 = 40 - 7x^2 - 5x^2 - 4x
0 = 40 - 12x^2 - 4x                   Now you have to put them in the right order.

0 = 40 - 4x - 12x^2 <<<<< Answer   


8 0
4 years ago
What is 7/4 as a mixed number?
Softa [21]
7/4=4/4+3/4=1+3/4=1 and 3/4
7 0
3 years ago
Read 2 more answers
2) What is the probability you roll an odd number on a six-<br> sided die ?
skad [1K]

Answer:

1/2 or 0.5

Step-by-step explanation:

All possible odd values on a 6-sided die include 1, 3, and 5; that is 3 values out of 6 total values. 3/6 or 1/2 is a 0.5 probability.

8 0
3 years ago
Instead I’d using the values 1,2,3,4,5,6 on dice, suppose a pair of dice have the following 1,2,2,3,3,4 on one die and 1,3,4,5,6
Oxana [17]

Answer:1/24

Step-by-step explanation:

Since the first die has 4 distinct numbers, and second has 6 distinct numbers, so total number of combinations possible = 4 × 6 = 24

Now, the number of chances where we get the rolling sum as 12 is only one. (

Therefore, the probability of getting sum 12 is 1/24

4 0
3 years ago
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