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Romashka [77]
11 months ago
10

The wavelength of ultraviolet light is about 0.00000003 inches. Which number best approximates this length as a power of 10?

Mathematics
1 answer:
Phantasy [73]11 months ago
4 0
Letter C is the answer
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Write the equation of the line with x-intercept -2 and y-intercept -1 in slope-intercept form
eduard

The x-intercept of -2 gives us an idea that point (-2,0) if found along the line. The y-intercept of -1, tells us that point (0,-1), this also tells us that b = -1.

Now that we have two points, we can solve for slope m

\begin{gathered} m=\frac{y_2-y_1}{x_2-x_1} \\ \text{Given two points} \\ (-2,0)\rightarrow(x_1,y_1) \\ (0,-1)\rightarrow(x_2,y_2) \\  \\ \text{Substitute} \\ m=\frac{y_2-y_1}{x_2-x_1} \\ m=\frac{-1-0}{0-(-2)} \\ m=-\frac{1}{2} \end{gathered}

Now that we have both m and b. Substitute these values to the slope intercept form

\begin{gathered} \text{Slope intercept form is} \\ y=mx+b \\ \text{where} \\ m\text{ is the slope} \\ b\text{ is the y-intercept} \\  \\ \text{Substitute the values from before and we get} \\ y=-\frac{1}{2}x-1 \end{gathered}

5 0
1 year ago
Match the two numbers with their least common multiple (LCM).
timurjin [86]

Answer:

  • 8 and 4: A
  • 8 and 6: C
  • 8 and 10: B

Step-by-step explanation:

<u>8 and 4:</u>

Multiples of 8: 8, 16, 24

Multiples of 4: 4, 8, 12, 16

<u>8 and 6:</u>

Multiples of 8: 8, 16, 24

Multiples of 6: 6, 12, 18, 24

<u>8</u><u> </u><u>and</u><u> </u><u>10</u><u>:</u>

Multiples of 8: 8, 16, 24, 32, 40

Multiples of 10: 10, 20, 30, 40

4 0
3 years ago
PLEASE HELP THANK YOU AND HAVE A GOOD DAY! The answer is not D by the way!
sattari [20]

Answer:

answer a

Step-by-step explanation: cause it will equal up and it has to be negitive on answer so u divided it and youll get a

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3 years ago
What is the next number in the sequence? 7, 16, 8, 27, 9,
katrin2010 [14]
30, 10
hope this helps
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3 years ago
The two points shown below are reflected across the x-axis. Then, the four points are connected to form a rectangle. What is the
yan [13]
I believe 26 units is the correct answer because you basically gotta multiply top from bottom
7 0
2 years ago
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