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storchak [24]
3 years ago
15

How many cm is 20 m? A. 200 B. 2,000 C. 20,000

Mathematics
2 answers:
JulsSmile [24]3 years ago
4 0
20 m = 2000 cm

B. 2,000
GREYUIT [131]3 years ago
4 0
Well, if there's 100cm in 1 meter and 1 times 2 is 2 multiply 100 by 2 and you have your answer of 200cm
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12n^3 + 16n^3 can someone please help me with this?
vodka [1.7K]

Answer:

4n^{3} (3n^{2} + 4)

Step-by-step explanation:

Assuming the problem is asking you to factor out the formula, it can be done easily by finding a common number with the two givens.

4 goes into both 12 and 16 evenly, so we will use this to factor. But that's not all, we have the n-variable to worry about.

Look at the n-variable exponents in the problem, take the highest power that can go be subtracted from both and use that. We have a n^{5} and n^{3}. Since 5 can't go into 3, we must use 3 to factor.

Our factoring variable will therefore be 4n^{3}. Now, use this to simply divide and get the answer:

( 12n^{5} + 16n^{3} ) / 4n^{3}  = 4n^{3}(3n^{2} + 4)

So how did we get this? For the whole numbers, we have to divide: (12/4, 16/4). Next, we have to minus the exponents since we are dividing.

When dividing the 12 and 4, minus the n^{5} and n^{3} to get n^{2}. Get rid of the n^{3} term for the 16 and leave the 4. And there's your answer!

7 0
3 years ago
15 points
skad [1K]

Lines that are parrellell presume to have the same slope.

So if we just calculate the slope of a function or a line we should be good.

s=\dfrac{\Delta{y}}{\Delta{x}}=\dfrac{y_2-y_1}{x_2-x_1}

Now put in the data from the coordinates of the points A(3,-1)\wedge B(1,7)

s=\dfrac{7-(-1)}{1-3}=\dfrac{8}{-2}=\underline{-4}

The form of a function now looks like: f(x)\vee y=-4x+n

From here we are no longer required to calculate anything more. Leave n alone.

The solutions are the equations of the form above.

That would mean:

y=-4x \\y=-4x+8 \\y+1=-4(x+1) \\y-6=-4(x-3)

Hope this helps.

5 0
3 years ago
Senior classes high school A and high school B planned separate trips to New York City. The senior class at high school A rented
ICE Princess25 [194]
Let van =v and bus=b
V+6B=324
9V+3B=264×2 this will become
18V+6B=528 minus equ 1 from equ 2
-17V=-204 divide both side by -17
V=-204/-17=12
if V is 12 put it in equ 1
12+6B=324,6B=324-12=312 divide both side by 6
B=312/6=52
therefore the van and bus will take 12 and 52 persons respectively
3 0
4 years ago
A bacteria culture initially contains 2000 bacteria and doubles every half hour.
dsp73

<em>Answer:</em>

<em>Can be found below</em>

<em>Step-by-step explanation:</em>

<em>Part A:</em>

<em>So we know that the bacteria doubles every (30) minutes.</em>

<em>2000 times 2 equals 4000 (30 minutes)</em>

<em>4000 times 2 equals 8000 (1 hour)</em>

<em>Answer for Part A:</em>

<em>8000 bacteria</em>

<em>Part B:</em>

<em>Now we do this function 2000(2)^14 (30 minutes long)</em>

<em>Answer to Part B: </em>

<em>I believe the answer is 32,768,000 (Please correct me if I'm wrong) </em>

<em>Hope I could help!! Have a great day/night!</em>

<em>Any constructional messages are greatly appreciated!!</em>

5 0
3 years ago
A rectangle has its diagonal length increased from 7 cm to 49 cm. The new rectangle is similar to the original one. The original
maksim [4K]

Answer:

168 cm is the new perimeter

6 0
3 years ago
Read 2 more answers
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