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tankabanditka [31]
2 years ago
12

What is the speed of light. Don't look it up. challenge excepted?

Mathematics
2 answers:
san4es73 [151]2 years ago
8 0
300,000,000 seconds -------------
Leokris [45]2 years ago
8 0
<span>299 792 458 m / s is the answer 

</span>
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Two times one number added to three times a second number is 21.
il63 [147K]

Answer:

x =  -  \frac{9}{17}   \:  \: y =  \frac{125}{17 }

5 0
2 years ago
If 24 is increased to 30, the percent of increase is a0%.
mestny [16]

Answer:

25%

Step-by-step explanation:

Percentage increase is calculated as

% increase = \frac{increase}{original} × 100%

Increase = 30 - 24 = 6, thus

% increase = \frac{6}{24} × 100% = 0.25 × 100% = 25%

6 0
2 years ago
Read 2 more answers
10 POINTS!!! FULL ANSWER IN STEP BY STEP FORMAT!! ALL PARTS A, B, C, D, E
mihalych1998 [28]
The first thing to do is to get the graph. That's below. That is a very wicked looking graph. I'm not sure what happens at 0. I'm not sure it is continuous at 0. That's something to make a fuss over because x = 0  is one of the x intercepts.

y = - x^(2/5)(x(5/5) + 7).
y = - x^(2/5)(x + 7)
So one of the x intercepts is 0 and the other one is -7.

The reasons are known because the factors can be equated to 0. It does not look to me like there is exact symmetry. There is a local minimum however at what the graph says is (-2,-6.5 or so)
You could differentiate that to find the exact point, but you are not asked for that.

So the domain is from -∞ to zero and 0 to plus ∞ I think you have to exclude 0 even though it is an x intercept. 

The graph decreases from -∞ < x < -2
It increases from -2 < x < 0
It decreases form 0< x < ∞

8 0
3 years ago
23 (9x – 6) = 4(x + 2) + 2
Kryger [21]
Isolate the variable by dividing each side by factors x = 148/203
7 0
2 years ago
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miranda bought a square frame that has an area of 30 square inches. what is the approximate side length of the frame?
Anna11 [10]
The length is 5.48 so there you goo❤️
3 0
3 years ago
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