3 years ago

Scatter plots & trend lines is there a easier way to do this?

Mathematics

1 answer:

ira [324]3 years ago

7 0

Answer:

Step-by-step explanation:

Using the best fit equation y = 1.5x - 1

with x = 16 ( number of years since 2000 ), then

y = (1.5 × 16) - 1 = 24 - 1 = 23

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Given that events A and b are independent p(A) =0.60 and P(B)=0.30, what is P(A and B)?

myrzilka [38]

P(a)*p(b)=0.6*0.3=0.18

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3 years ago

30 POINTS! Use set builder notation to represent the following set. {... -3, -2, -1, 0}

Wittaler [7]

{x | x I, x ≤ 0}
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3 years ago

Let f(x) = tan(x) - 2/x. Let g(x) = x^2 + 8. What is f(x)*g(y)?

Tema [17]

Answer:

$f(x)\times g(y)=y^2tan(x)+8tan(x)-\frac{2y^2}{x}-\frac{16}{x}$

Step-by-step explanation:

We are given that

$f(x)=tan(x)-\frac{2}{x}$

$g(x)=x^2+8$

We have to find $f(x)\times g(y)$

To find the value of $f(x)\times g(y)$ we will multiply f(x) by g(y)

$g(y)=y^2+8$

Now,

$f(x)\times g(y)=(tanx-\frac{2}{x})(y^2+8)$

$f(x)\times g(y)=tan(x)(y^2+8)-\frac{2}{x}(y^2+8)$

$f(x)\times g(y)=y^2tan(x)+8tan(x)-\frac{2y^2}{x}-\frac{16}{x}$

Hence,

$f(x)\times g(y)=y^2tan(x)+8tan(x)-\frac{2y^2}{x}-\frac{16}{x}$

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3 years ago

Solve for x. please help real quick

GalinKa [24]

Answer:

(7/2, 0)

Step-by-step explanation:

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Mars2501 [29]

When order does not matter you use what is called n choose k formula

n!/(k!(n-k)!) where n is the number of things to choose from and k is the number of choices made, in this case:

20!/(4!(20-4)!)=4845

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3 years ago