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Katena32 [7]
3 years ago
13

When may it be a good idea to use scientific notation for si prefixes?

Mathematics
1 answer:
Ray Of Light [21]3 years ago
7 0
I believe SI is the international system of measurements, our metric system. You would want to use this when numbers begin to get too small, or too large. Some examples would be when calculating distances of spacial bodies such as  the distance from earth to the center of the milky way which is about <span>1,000,000,000,000,000,000 km  or 1*10^18. 1*10^18 is easier to write and is less confusing.</span>
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What is the slope of all lines parallel to the line 4x-5y+-1?
Bond [772]

Given equation of the line ,

\implies 4x - 5y +(-1) = 0

Simplify ,

\implies 4x - 5y - 1 = 0

Transpose terms to RHS ,

\implies 5y = 4x - 1

Divide both sides by 5 ,

\implies \boxed{ y =\dfrac{4}{5}x -\dfrac{1}{5}}

Now we know the slope intercept form of the line as y = mx + c we have ,

  • m =\dfrac{4}{5}

As we know that the slope of all parallel lines are same . Henceforth ,

  • m_{|| \ lines } =\dfrac{4}{5}
5 0
3 years ago
Two card decks are drawn from a standard 52-card deck, without replacement. Find the probability that they are both aces.
LenaWriter [7]
I'm sorry, when I answered this I'm pretty sure I wasn't in algebra two yet. The correct answer is 4/52 * 3/51 = 1/221
6 0
3 years ago
Read 2 more answers
Please help me graph and find the slope. I need an answer ASAP will mark brainliest!
Xelga [282]

Answer:

y = 0.6x

Step-by-step explanation:

Slope Formula: m=\frac{y_2-y_1}{x_2-x_1}

Slope-Intercept Form: y = mx + b

Step 1: Find slope <em>m</em>

m = (1.2 - 0)/(2 - 0)

m = 1.2/2

m = 0.6

y = 0.6x

Step 2: Find y-intercept <em>b</em>

(0, 0) is y-int

Equation is y = 0.6x

Step 3: Graph

Use point (-5, -3) and (0, 0) to graph

6 0
3 years ago
What is 720° converted to radians?<br> 1/4<br> pi/4<br> 4/pi<br> 4(pi)
Natasha2012 [34]
The converted to radians is 4(pi)
7 0
3 years ago
I'd appreciate it if anyone could help! :)<br><br> Which graph represents the function?
Monica [59]

Answer: Upper right corner

=========================================================

How I got that answer:

The line y = x goes through (0,0) and (1,1). You would normally extend this line out as far as you can in both directions. However, the inequality x < -1 says you can only graph this if x is less than -1. We will not graph any part of the graph that is beyond x = -1 to the right. So we only have a small piece of it. The left piece of y = x. There is an open hole at the endpoint.

Similarly, y = -x is only graphed if x >= -1. We have a closed endpoint here. This graph goes through (0,0) and (1,-1). We erase the portion that is to the left of x = -1.

Doing all this leads to the upper right corner choice as our answer. The bottom right corner is close to the answer, but the open and closed endpoints are in the wrong spots.

3 0
3 years ago
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