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bearhunter [10]
3 years ago
12

Algebra 2... need help asap!

Mathematics
1 answer:
pychu [463]3 years ago
5 0
Look in the "attended" column and in the "improved" row.
You see the numeral 39?

The <span>probability that "the player attended the game AND improved is 39/100, where 100 is the total number of players.

</span>
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An expression is shown.<br>5 x 20 x 10²<br>What is the value of the expression? ​
dangina [55]

Answer:

10,000

Step-by-step explanation:

using PEMDAS we multiply the exponent first to get 5*20*100, now they are all multiplicative so we go left to right, 100*100 which is 10,000

7 0
3 years ago
Read 2 more answers
The position of a ball after it is kicked can be determined by using the function f left parenthesis x right parenthesis equals
Citrus2011 [14]

Answer:

When kicked, the height of the ball is 1 feet. The highest point for the ball's trajectory is 12 feet.

Step-by-step explanation:

We are given that the height is given by f(x)=-0.11x^2+2.2x+1. The distance between the ball to the point where it was kicked is 0 right at the moment the ball was kicked. So, the height of the ball, when it was kicked is f(0) = -0.11*0 + 2.2*0 +1  = 1.

To determine the highest point, we will proceed as follows. Given a parabola of the form x^2+bx + c, we can complete the square by adding and substracting the factor b^2/4. So, we get that

x^2+bx+c = x^2+bx+\frac{b^2}{4} - \frac{b^2}{4} +c = (x+\frac{b}{2})^2+c-\frac{b^2}{4}.

In this scenario, the highest/lowest points is c-\frac{b^2}{4}[/tex} (It depends on the coefficient that multiplies x^2. If it is positive, then it is the lowest point, and it is the highest otherwise). Then, we can proceed as follows. [tex] f(x) = -0.11x^2+2.2x+1 = -0.11(x^2-20x)+1

We will complete the square for x^2-20x. In this case b=-20, so

f(x) = -0.11(x^2-20x+\frac{400}{4}-\frac{400}{4})+1 = -0.11(x^2-20x+100-100)+1

We can distribute -0.11 to the number -100, so we can take it out of the parenthesis, then

f(x) = -0.11(x^2-20x+100)+1+100*0.11 = -0.11(x^2-20x+100)+1+11 = -0.11(x-10)^2+12

So, the highest point in the ball's trajectory is 12 feet.

5 0
4 years ago
Read 2 more answers
What is the degree measure of x in this triangle?
Crank
So this is trig, and when it comes to right (90°) triangles, it's imperative that you know:
SOH-CAH-TOA

Sine (x) = Opposite/Hypotenuse
Cosine (x) = Adjacent/Hypotenuse
Tangent (x) = Opposite/Adjacent

*hypotenuse is always the largest side, and the one opposite the 90° angle in right triangles

therefore we'll use SOH, because the opposite of x (O) and the hypotenuse (H) are given:

Sine (x) = Opposite/Hypotenuse
Sine (x) = 32/58 = 16/29 = 0.552
Sine (x) = 0.552
now we use something called arc-sine, or
{(sin)}^{ - 1}
it's basically a fancy function of most advanced calculators, so we'll plug it in as:
x =  {(sin)}^{ - 1} (0.552)
x = 33.49° --> answer B) is correct
4 0
3 years ago
Mark has 312 books in his bookcase . he has 11 times as many fiction than non fiction. how many fiction does he havr
maw [93]
11x + x = 12x
312 / 12 = 26
26 nonfiction
312 - 26 = 286.
He has 26 non fiction books and 286 fiction books.


<span>Hope This Helps You!
</span>Good Luck Studying :)
4 0
3 years ago
True or false
Bas_tet [7]

Answer:

im pretty sure its <em>true</em>

Step-by-step explanation:

so sorry if its wrong, hope it helps!

4 0
4 years ago
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