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sveticcg [70]
2 years ago
14

1+1 PLEASE PLEASE PLEASE LPEASE PLEASAE PLEASE

Mathematics
2 answers:
arlik [135]2 years ago
5 0

Answer:

2

Step-by-step explanation:

1+1=2 so the answer is 2

Anni [7]2 years ago
5 0

Answer:

2.

Step-by-step explanation:

Because you have 1 one, added by another 1, you get 2.

Sometimes calculators take too long to pull out. When you have a smaller math equation, you can do one of the most simplest ways to solve this. Using your fingers to count each 1 to get your answer would be a very quick way to find the sum or difference of what you are trying to find.

I hope this helps.

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Jose needs to memorize words on a vocabulary list for French class. He has memorized 20 of the words, which is four-fifths of th
Stella [2.4K]

Answer:

25

Explanation:

In order to solve this the easiest way you can use equivalent fractions.

\frac{4}{5} = \frac{20}{?}\\

Since 4 times 5 equals 20 we can multiply 5 times 5 to get our answer.

\frac{4}{5} * \frac{5}{5} = \frac{20}{25}

25 is the answer. But, if we couldn't have gotten to 20 through the multiplication we could use a proportion. That would look like the initial problem but instead of a "?" we would use a variable. I will use <em>t</em> for total.

\frac{4}{5} = \frac{20}{t}\\

So now we have our problem set up. The next step is to cross multiply. 4 by <em>t</em> and 5 by 20.

4t = 5 * 20\\4t = 100\\

And now we can solve it like a normal algebra problem.

\frac{4}{4}t = \frac{100}{4}\\t = 25

Either way, we get 25.

5 0
3 years ago
The vertex of parabola is -3,-2, what is the equation?
8090 [49]

Answer:

{y}^{2}  =  \frac{4}{3} x

Step-by-step explanation:

Master equation:

y  {}^{2} = 4 {ax}

with point ( -3, -2 ):

{( - 2)}^{2}  = 4a( - 3) \\ 4 =  - 12a \\ a =   - \frac{1}{3}

Equation is:

{y}^{2}  =  \frac{4}{3} x

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