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3 years ago

8

Elisa has a DVD collection. She has 10 horror movies, 20 comedies and 15 action movies. If she picks one at random to watch, wha

t is the probability that it is an action movie?

1 answer:

Triss [41]3 years ago

3 0

The probability of picking an action movie is 1/3

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4 A numerical expression is shown below. Evaluate the expression.<br><br>help please explain too

Andrews [41]

Answer:

H

Step-by-step explanation:

8 0

3 years ago

Find the equation of each line with the following general informatie (c) r-intercept a and slope m (d) inclination and y-interce

VikaD [51]

Let's use the slope-intercept equation:

$\begin{gathered} y=mx+b \\ m=slope \\ b=y-intercept \\ x-intercept=a \\ x=\frac{y-b}{m} \\ x=\frac{y}{m}-\frac{b}{m} \\ x=\frac{y}{m}-a \\ or \\ y=mx+ma=m(x+a) \end{gathered}$

------------------------------------

d)

$\begin{gathered} y=mx+b \\ m=slope=\theta \\ b=y-intercept \\ y=\theta x+b \\ \end{gathered}$

6 0

1 year ago

What is the square root of 73 to the nearest hundredth?

iogann1982 [59]

Sqrt 73 = 8.54 (thats rounded to nearest hundredth)

8 0

3 years ago

On a 40 question test students gain 6 points for each correct answer and lose 0.5 points on each incorrect answer. If everyone r

juin [17]

Answer:

$\text{r}=5.5\text{c}-20$

Step-by-step explanation:

GIVEN: On a $40$ question test students gain $6$ points for each correct answer and lose $0.5$ points on each incorrect answer. If everyone required to give an answer to each question.

TO FIND: the formulas that describes how a student's raw score, r, depends on the number of correct answers he or she provided, c.

SOLUTION:

Total number of incorrect questions $=40-\text{c}$

Total marks deducted due to incorrect question $=(40-\text{c})\times0.5=20-0.5\text{c}$

Total correct questions $=\text{c}$

Total marks scored $=6\text{c}$

Total raw marks $\text{r}=\text{total marks gained}-\text{total marks deducted}$

$\text{r}=6\text{c}-(20-0.5\text{c})$

$\text{r}=5.5\text{c}-20$

ormulas that describes how a student's raw score, r, depends on the number of correct answers he or she provided, c is $\text{r}=5.5\text{c}-20$

7 0

3 years ago

6. A trader sold 100 boxes of fruit at

Maurinko [17]

Answer:

GH¢ 5.80 per box (average)

Step-by-step explanation:

In order to find the average selling price per box we first need to sum up all of the boxes to get the total number of boxes. Then we need to sum up the amount of money that he made by multiplying the cost per box by the amount sold at each price and adding those values together. Finally, we need to divide the total money made by the total number of boxes sold to get the average selling price per box.

100 boxes + 800 boxes + 600 boxes = 1,500 total boxes

(100 * 8) + (800 * 6) + (600 * 4) = total money made

800 + 4800 + 2400 = GH¢ 8,700 total money made

GH¢ 8,700 / 1,500 = GH¢ 5.80 per box (average)

7 0

3 years ago