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Taya2010 [7]
3 years ago
13

The difference between 15 and x​

Mathematics
2 answers:
ivann1987 [24]3 years ago
8 0
Ones a number ones a letter lol
disa [49]3 years ago
5 0

Answer:

15 is a known number, x is a unknown number or a variable.

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SashulF [63]
The two dinosaurs probably crossed paths at estimated coordinates (- 1, 2.5). 

To find where the two equations actually intersect, set them equal to each other. 

- 1/2x + 3 = 2x + 4

Subtract 4 from both sides, and add 1/2x to both sides to combine like terms.

2 1/2x = - 1 --> 5/2x = - 1

Multiply by 2/5 on both sides to isolate x

x = - 1(2/5)
x = - 2/5

Now plug in to either of the two equations. I used 2x + 4

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The actual coordinates where the dinosaurs crossed paths was (- 2/5, 3 and 1/5).

My original estimate was (- 1, 2 1/2) because based on the graph drawn above the point of interest (the intersection) appears to be below the third unit on the y-axis as well as in between the negative two unit and origin on the x-axis. My estimate was also off because the x-axis is counting by twos which does not necessarily allow for an accurate estimate strictly based on the naked eye. 
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4 years ago
Light travels at 3.0×10^8 kilometers how far does light travel in five minutes
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3 years ago
Write the equations in logarithmic form 7^3=343​
vlada-n [284]

Step-by-step explanation: The base of the power in the original equation becomes the base of the log. So we have ^{log}7.

Next, the exponent in the original equation goes on the other side of the equation and finally, the result in the

original equation goes inside the log.

So we have ^{log}7 343 = 3 which is 7³ = 343 written in logarithmic form.

3 0
4 years ago
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