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lisabon 2012 [21]
2 years ago
9

When x=-1 what is the value of y?

Mathematics
2 answers:
andrew11 [14]2 years ago
8 0

Answer:

Step-by-step explanation:

All we have to do is find the point on the line where x = -1. If we know this, we can see how high the point is (i.e., find it's y-value). Then, we would know the value of y.

If we draw a vertical line from where x equals -1, we see that it crosses the line at point (-1, 3). This means that we can draw a line from the point to the number -1 on the x-axis and another line from the point to the number 3 on the y-axis.

Hence, the y-value when x=-1 would be 3.

seropon [69]2 years ago
6 0

Answer: y=3

Step-by-step explanation:

The x-axis is on the horizontal line, and the y-axis is on the vertical line. On the horizontal line at -1, just go up until you find where y is located.

By doing this, you can find that y=3.

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Answer:

C. 591.5 ft^3

Step-by-step explanation:

1/2 (13*13) = 84.5

84.5*7 = 591.5

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4 years ago
Explain why a graph that fails the vertical-line test does not represent a function. Be sure to use the definition of a function
ArbitrLikvidat [17]

Explanation:

A function is a relationship where any one x-value/input only has <u>one </u>corresponding y-value/output. (note: a y-value can have multiple x-values).

> This can be called "assigning one y-value to every x element".

The vertical line test places a line that would connect all y-values of an x-value (that is, if it were to have multiple y-values). If multiple points can be found along the vertical line, it is, therefore, by the definition of a function, not a function. (Because an x-value will have more than one y-value).

So, a graph that fails the vertical-line test does not represent a function because an x-value will correspond with more than one y-value.

hope this helps!!

4 0
2 years ago
both circle Q and circle R have a central angle measuring 75. the ratio of the circle Q’s radius to circle R’s radius is 3/4. Wh
MissTica
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4 0
4 years ago
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A blueprint of a barn is shown.The scale is 5 inches =8 feet. Find the actual length of the wall that is labeled 20 inches.
kenny6666 [7]
5=8
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The answer is 32 feet
4 0
2 years ago
A total of 516 tickets were sold for the school day. There were either adult tickets or student tickets. The number of student t
prisoha [69]

Answer:

Step-by-step explanation:

s=3a

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now lets use 3a instead of s.

516=3a+a

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6 0
3 years ago
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