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BaLLatris [955]
3 years ago
15

Find the y value at the point x = -2.​

Mathematics
2 answers:
Wewaii [24]3 years ago
5 0

By looking at the graph, we can visually determine that the value of y when point x = -2 is <u>-4.</u>

harina [27]3 years ago
5 0

Answer:

-4

Step-by-step explanation:

The y value at x=-2 is -4 because when you go to -2 on the x-axis the function is below there.  You can only go straight up or straight down to determine the y-value that corresponds to x=-2 so we go down because the function is below the x-axis there.

We are going to go down until we get on the graph of the line.  Scroll over with eyeballs to see that the y there is -4 (use the y-axis).

So the ordered pair (-2,-4) is on our line and when x=-2, y=-4.

Another example:

y=0 when x=2

Another example:

y=2 when x=4

Another example:

y=-3 when x=-1

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What is the simplified form of 2n+3(n+4)
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Answer:

5n + 12

Step-by-step explanation:

Perform the indicated multiplication.  Then combine like terms:

2n + 3n + 12 = 5n + 12 (answer)

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3 years ago
In the right triangle ABC shown, c=17ft and angle A=30 degrees Determine side a
jekas [21]

Using relations in a right triangle, considering c as the hypotenuse, we have that the length of side A is: a = 8.5\sqrt{3}

<h3>What are the relations in a right triangle?</h3>

The relations in a right triangle are given as follows:

  • The sine of an angle is given by the length of the opposite side to the angle divided by the length of the hypotenuse.
  • The cosine of an angle is given by the length of the adjacent side to the angle divided by the length of the hypotenuse.
  • The tangent of an angle is given by the length of the opposite side to the angle divided by the length of the adjacent side to the angle.

From the information given, we can build the following relation:

cos(A) = a/c.

\frac{\sqrt{3}}{2} = \frac{a}{17}

a = \frac{17\sqrt{3}}{2}

a = 8.5\sqrt{3}

More can be learned about relations in a right triangle at brainly.com/question/26396675

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2 years ago
The width of DNA is approximately 0.0000000025 meter wide. In scientific notation, 6 times the width of DNA can be written as 1.
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The value of x is 15.0
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3 years ago
I need an explainarion
xz_007 [3.2K]

Answer:

x=3

Step-by-step explanation:

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what are the answers or are you asking us to find them

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3 years ago
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