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DanielleElmas [232]
3 years ago
12

Quiero saber sobre Álgebra

Mathematics
1 answer:
Lesechka [4]3 years ago
6 0
Algebra has variable. Finding the slope and y-intercept.
<span>Algebra tiene variable. Encontrar la pendiente y la intersección con el eje y</span>
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What is the value of 2 in 5,670,249,114? And describe 2 ways to find value?
kirill115 [55]
There are two ways in finding the place value of 2 in 5,670,249,114
 First by breaking down the numbers:
 5,670,249,114 = 5,000,000,000 + 600,000,000 + 70,000,000 + 200,000 + 40, 000 + 9,000 + 100 + 10 + 4  which means the Value of 2 is 200, 000<span>2. Second, by using the ones words:
5,670,249,114 = 5 billion + 6 hundred million + 70 ten million + 2 hundred thousand + 4 ten thousand + 9 thousands + 1 hundreds + 1 tens + 4 ones  which means the Value of 2 is 2 hundred thousand

</span>



4 0
3 years ago
A teacher bought 12 packets of crayons. Seven of the packets had 9 crayons. How many crayons did the teacher buy in all?
zubka84 [21]
The answer is 113!Give me a crown if I was right:/
3 0
3 years ago
A parabola intersects the x-axis at x=3 and x=9 what is the x-coordinate of the parabola's vertex?
KiRa [710]

Here we are given the x intercepts at x=3 and x=9

So let us try to make quadratic equation for this using given information.

We have factors in the form (x-a)(x-b)

where a and b are x intercepts given to us.

So rewriting in factored form:

y=(x-3)(x-9)

Now let us simplify it:

y=x^{2}-12x+27

Let us find the vertex now,

For a quadratic equation of the form:

y=ax^{2}+bx+c

For x coordinate , we have the formula,

x=\frac{-b}{2a}

So using this formula for our equation,

x=\frac{-(-12)}{2(1)}

So x = 6

Answer: The x-coordinate of the parabola's vertex is 6.


7 0
3 years ago
Read 2 more answers
What is the slope of the line that passes through the points (-2,7) and (2,-5) in simplest form ?
creativ13 [48]

Its m=\dfrac{\Delta y}{\Delta x}=\dfrac{7-(-5)}{-2-2}=\dfrac{12}{-4}=\boxed{-3}.

Hope this helps.

6 0
3 years ago
find the probability of at least 3 successes in a 3 trials of a binomial experiment i which the probability of successe is 50%
katrin2010 [14]

each trial is independent so do

.5 x .5 x .5 or .5^3

.125 is the probability.

7 0
3 years ago
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