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3 years ago

12) Calculate the expected value for a spin of this game. [A] $0.00 [B] $6.88 [C] $7.90 [D] $10.00 [E] $275.00

Mathematics

1 answer:

Westkost [7]3 years ago

6 0

Answer:

[B] $6.88

Step-by-step explanation:

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Rosa and her friends are eating out for dinner. The bill was $45.80. They want to leave a 20% tip. How much should they leave fo

Romashka-Z-Leto [24]

20% is the number divided by 5. 45.80/5 is 9.16

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3 years ago

Help please pleassse

ASHA 777 [7]

Answer:

$n=\frac{8}{3}$ or $n = 2\frac{2}{3}$

Step-by-step explanation:

Multiply both sides of the equation by $\frac{10}{3}$

$(\frac{10}{3}) (\frac{3}{10})*n= (\frac{10}{3})(\frac{4}{5})$

Simplify both sides of the equation.

$n=\frac{8}{3}$ or $n = 2\frac{2}{3}$

hope this helps :)

7 0

3 years ago

This table models a linear function. x −8 −4 4 8 y −3 0 6 9 Enter the coordinates of the y-intercept in the boxes.

adell [148]

Answer:

y-intercept is 3

Step-by-step explanation:

We are given table

x: -8 -4 4 8

y: -3 0 6 9

We can select any two points

$x_1=-8,y_1=-3$

$x_2=-4,y_2=0$

Firstly, we will find slope

$m=\frac{y_2-y_1}{x_2-x_1}$

now, we can plug values

$m=\frac{0+3}{-4+8}$

$m=\frac{3}{4}\quad$

now, we can use point slope form of line

$y-y_1=m(x-x_1)$

we can plug values

$y+3=\frac{3}{4}(x+8)$

now, we can solve for y

$y=\frac{3}{4}x+3$

For finding y-intercept , we can plug x=0

$y=\frac{3}{4}\times 0+3$

$y=0+3$

$y=3$

So,

y-intercept is 3

8 0

3 years ago

Simplify the expression 2(2-x)-3x

Nastasia [14]

First thing you should do is Distribute...
=(2)(2)+(2)(−x)+−3x
=4+−2x+−3x
Next is to Combine like terms..
=4+−2x+−3x
=(−2x+−3x)+(4)
Answer..
=−5x+4

Good luck with your studies~ ^//^

8 0

3 years ago

-1/6(2x + 12) = 1/3x + 12

Hitman42 [59]

Hope this helps
X=-21

7 0

3 years ago

12) Calculate the expected value for a spin of this game. [A] $0.00 [B] $6.88 [C] $7.90 [D] $10.00 [E] $275.00​

12) Calculate the expected value for a spin of this game. [A] $0.00 [B] $6.88 [C] $7.90 [D] $10.00 [E] $275.00