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tino4ka555 [31]
3 years ago
8

Of 30 students, 1/3 play sports . Of those who play sports, 2/5 play soccer.

Mathematics
1 answer:
yan [13]3 years ago
4 0

Answer: 4

Step-by-step explanation:

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What is the answer to this question?
sukhopar [10]
First plug in f and g:
3 x^{2} +1-  [1-x]
Then distribute 3 x^{2} +1-1+x
Combine like terms
3 x^{2} +x
Now plug in 2 for x
3( 2^{2} )+2
3(4)+2=12+2=14

Hope that helps
8 0
3 years ago
The basketball coach at a small local college believes that his team plays better and scores more points in front of larger crow
Orlov [11]

Answer:

Step-by-step explanation:

Given that points scored is the dependent variable Y and Number of people attending the game is the independent variable is independent variable x

The correlation coefficient, slope and intercept are calculated as shown below:

x y

378 54

350 57

320 59

478 80

451 82

250 75

489 73

451 53

410 67

215 78

113 67

250 56

450 85

489 101

472 99

 

Mean 371.0666667 72.4

std dev 117.5138087 15.42632259

covariance 667.5733333  

r 0.394558035  

Slope 3.005642934  

Intercept 153.4581182  

y = 3.006x+153.46 is the regression line.

Corre = 0.3945 (weak positive)

8 0
3 years ago
Match the expression with its name.
TiliK225 [7]

Answer:

\large\boxed{10x^2-5x+10\ -\ \bold{quadratic\ trinomial}}

Step-by-step explanation:

\text{quadratic trinomial}\ -\ ax^2+bx+c\\\\\text{cubic monomial}\ -\ ax^3\\\\\text{not a polynomial}\ -\ \dfrac{a}{x}\\\\\text{fourth-degree binomial}\ -\ ax^4+bx

10x^2-5x+10\\\\\text{the highest power of variable (x) is 2}\to \boxed{x^2}\ \to\ \bold{quadratic}\\\\\text{polynomial has 3 terms}\ \to\ \boxed{10x^2,\ -5x,\ 10}\ \to\ \bold{trinomial}

4 0
3 years ago
You roll a die twice. Solve for the probability. P(3, then even)
Monica [59]
For the first roll, you expect that you would get number 3 of a die.
Next for the second roll, you expect that you would get an even number. Since there are 6 sides of a die, so the even numbers are only 2, 4 and 6.
8 0
3 years ago
In interval notation the set {x|x>0} is written
djverab [1.8K]
(0, infinity) is your interval notation for this set.

6 0
3 years ago
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