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AURORKA [14]
3 years ago
15

Explain why y^2 = x (X input, y output) is not a function.

Mathematics
2 answers:
Anni [7]3 years ago
8 0
Not a function because it can’t be put into y=mx+b form.
sveta [45]3 years ago
7 0

y^2 = x isn't a function because there is at least one value of x that produces multiple values of y. In fact, any x value greater than 0 yields two y values. If x = 0, then y = 0 is the only solution. ... Graphically, the equation fails the vertical line test, which is another way to determine that it is not a function.

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A ball is draw at random form a box containing 6 red balls, 4 white balls and 5 blue balls. what is the probability that the bal
makkiz [27]
1 = 6 out of 15
2 = 4 out of 15
3 = 5 out of 15
4 = 11 out of 15

hope this helps you
3 0
3 years ago
Terry has a savings account that pays 1.9% interest per year. Terry’s grandmother opened the account for him on his 10th birthda
noname [10]

Answer:

he will make 38 dollars by his 14th birthday

5 0
3 years ago
Two ships depart from a port at the same time, one heading south and the other east. Seven hours later, they are separated by a
Anuta_ua [19.1K]

Answer: 80 miles for the first ship, and 150 miles for the other.

Explanation:

First thing we should do is correspond each number with a letter:

Let x be the distance travel by ship heading east

Let y be the distance travel by ship heading south

y = x + 70 -- (1)

sqrt(x^2 + y^2) = 170 -- (2)

Subtract (1) into (2):

sqrt(x^2 + (x + 70)^2) = 170

x^2 + x^2 + 140x + 4900 = 28900

2x^2 + 140x - 24000 = 0

x ^2 + 70x - 12000 = 0

(x - 80)(x + 150) = 0

x = 80 or -150

Since the distance for the first ship can’t be negative, therefore, x = 80 -- (3)

Subtract (3) into (1), therefore, y = 150

Hope this helps! :)

7 0
3 years ago
How do I do the bus stop method?
hichkok12 [17]
The bus stop method is just like division.
Ex
137÷5= 
1.) 5 goes into one zero times so there is a zero on top.
2.) 5 goes into 13 two times, so after the zero there is a 2.
3.) 5 goes into 37 seven times so there is a 7 after the 2.
4.) There is a 2 left and five can't go into school therefore that is a remainder.

    027R2
5/137
  <u>- 10</u>
     37
   <u>-35</u>
       2
Hoped I helped:D

6 0
3 years ago
Which equation represents the graphed function?
gtnhenbr [62]

Answer:

the answer is A.

Step-by-step explanation:

the slope is 4 and the y-intercept is -2

4 0
3 years ago
Read 2 more answers
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