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pav-90 [236]
3 years ago
15

I suck at math...so plz help ne

Mathematics
1 answer:
earnstyle [38]3 years ago
7 0
I will help you, but you need to be specific on what you need help with
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Which relation does not represent a function? A) a vertical line B) y = 5 9 x - 3 C) a horizontal line D) {(1, 7), (3,7), (5, 7)
Alisiya [41]

Answer:

A) a vertical line does not represent a function.

Step-by-step explanation:

For a relation to be a function for each value of x there must be only one value of y. In other words a function is one in which each value in the domain set corresponds to only one value in the range set.

Let us check for this condition in the give choices:

A) a vertical line

A vertical line is given as x=a which meas it is parallel to y-axis and has infinite number of y values for a single x value.

So, its Not a function

B) y=\frac{5}{9}x-3

For the given equation, on plugging in some x value will give a single y value.

So, its a Function

C) a horizontal line

A horizontal line is given as y=a which meas it is parallel to x-axis and has infinite number of x values giving a single y value.

So, its a Function

D) {(1, 7), (3,7), (5, 7), (7,7)}

For the given set for different x valuesthere is only one y value.

So, its a Function

4 0
3 years ago
Read 2 more answers
3. The value of the expression 5.104 + 4.103 + 7.10 + 1 is equal to: 
ratelena [41]
5.104+4.103+7.10+1=
9.207+7.10+1=
16.307+1=
17.307
8 0
3 years ago
Read 2 more answers
136mm into cm and mm​
Alex Ar [27]

Step-by-step explanation:

13.6 is the answer because 1cm is 10 cm

4 0
2 years ago
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How do I do this? Can somebody answer and explain?
yan [13]
A) multiple the 3 x 4 and add 1.
3 x 4 = 12 + 1 = 13
13/3

B) (7 x 3) + 2 = 23/3

C) (4 x 2) + 1 = 9/2

D) (2 x 8) + 7 = 23/8

5 0
2 years ago
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Estimate the sum.<br> 68.4 + 50.2 = ?<br> Use rounding to estimate the sum.<br><br> ​
Alex73 [517]

Answer:

118.6 or 119

Step-by-step explanation:

you just add and round up

8 0
3 years ago
Read 2 more answers
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