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Mkey [24]
3 years ago
8

How long has Brainly been around?

Mathematics
2 answers:
zlopas [31]3 years ago
4 0

Answer:

Brainly was founded in September 2009, in Kraków, Poland.

Tamiku [17]3 years ago
3 0

Answer:

about 11 years

Step-by-step explanation:

You might be interested in
F(x)=2(x+1)^2-2 What is the vertex
Bumek [7]

Answer:

(-1,-2)

Step-by-step explanation:

Let's bring back to memory vertex formula for parabolas.

y=a(x-h)^{2}+k

Where (h,k) is the vertex.

In f(x)=2(x+1)^{2}-2

The vertex is (-1,-2)

8 0
3 years ago
I dont understand please help
DiKsa [7]

2 \frac{1}{2}+(-2\frac{1}{4})

This is equal to:

2\frac{1}{2}-2\frac{1}{4}

When you add a negative number, it turns into subtraction.

First, I would change it to mixed numbers:

\frac{5}{2}-\frac{9}{4}

Now, you need to change the denominators to make sure they are the same on both fractions. I changed the first fraction's denominator to 4 so they match. You can do this by multiplying the numerator by 2:

\frac{10}{4}-\frac{9}{4}

Now, you simply subtract:

10-9=1

1/4 is your answer.

I hope this helps :)

3 0
3 years ago
Does anyone know the formula for finding the area of a circles sector
NemiM [27]
Area=(Theta/2) * r^2 This should be it, obviously Theta is your angle and you should use radiants in theory.
3 0
3 years ago
Find the values of X and Y using the PARALLELOGRAM.
Tema [17]

Answer:

x = 11

y = 3

Step-by-step explanation:

In a parallelogram opposite sides are equal.

8x = 88

x = 88/8

x = 11

4y - 7 = y + 2

4y      = y + 2 + 7

    4y = y + 9

4y - y = 9

       3y =  9

         y = 9/3

        y = 3

6 0
2 years ago
Please give me the correct answer ​
Yuri [45]

Answer: 36/9

Step-by-step explanation:

8 0
2 years ago
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