MATHEMATICS HIGH SCHOOL

What's the slope of A(-10,6),B(-5,8)

Answers

Answer 1

Answer:

Answer:

$(2)/( - 5)$

Step-by-step explanation:

$((y1 - y2)/(x1 - x2) \n = (6 - 8)/( - 10 - ( - 5)) \n = (2)/( - 10 + 5) \n = (2)/( - 5)$

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Find the number which when divided by 2/5 will give 30
Find the slope of the line that contains (-1,9) and (9,9)
Of a total of 100 buses operated within a particular town, 48 usually run on time and 36 of these buses are owned by Jerry. Of the 52 buses that usually run behind schedule, only 7 are owned by Jerry.

The Museum of Science in Boston has an exhibit in which metal balls drop down a chute, bounce around, and wind up in one of 21 bins. After 1000 balls have dropped, the heights within the bins clearly follow a bell-shaped curve. If the standard deviation is 3 bins, approximately how many balls are in bins 1 through 7?

Answers

This is example of Normal distribution. The central bin is: (21+1)/2=11
If the standard deviation is 3, we have 11-3=8 For bins:1-7 (graph of Normal distribution, or bell-shaped curve) we have 15.87% of all of the balls.
0.1587*1000=158.7.
Answer: We have approximately 159 balls in bins 1 through 7.

NYS COMMON CORE MATHEMATICS CURRICULUM Lesson 17 Date Name Lesson 17 Solutions Eric's father works two part-time jobs, onc in the morning and one in the afternoon, and works a total of 40 hours each 5-day workweek. If his schedule is the same each day, and he works 3 hours each morning, how many hours does Eric's father work each afternoon?

Answers

Answer:

Eric's father work 5 hours each afternoon

Step-by-step explanation:

Let x be the no. of hours Eric's father work each afternoon

He works for hours in morning each day = 3

He works for total hours in morning in 5 days= $3 * 5 = 15$

He works for total hours in afternoon in 5 days=5x

We are given that he works a total of 40 hours each 5-day workweek.

ATQ

15+5x=40

5x=25

x=5

Hence Eric's father work 5 hours each afternoon

What is 2x=4????????????

Answers

Answer:

x = 2

Step-by-step explanation:

2× = 4

x = 2

2x = 4

4/2 = 2

so...

2(2) = 4

x = 2

That’s easy, divide the 4 by two and divide the two x by two, canceling it out and you have x=2

GWhat number can be used to complete the volume staternent for the concr A cone with herght 4 meters and diarreer 3 meters. Vohurre-Pimeters cuted
What number can be used to complete the volume statement for the cone? A cone with height 4 meters and diameter 3 meters. Volume = Pimeters cubed

Answers

The formula for volume of a cone is PI x r^2 x h/3

Using the information given:

Volume = PI x 1.5^2 x 4/3

Volume = PI x 2.25 x 4/3

Volume = 3PI meters cubed.

Answer: 3pi

Step-by-step explanation:

The equation for this problem is 1/3 Bh

So, its 1/3 x 4 x 1.5(1.5) x pi

Perry observes the opposite , parallel walls of a room. In how many lines do the planes containing the walls intersect

Answers

zero i believe would be the answer.

The walls don't intersect because they are parallel.

Suppose you deal three cards from a regular deck of 52 cards, What is the probability that they will all be jacks?

Answers

Answer:

$0.00018$

Step-by-step explanation:

The number of ways you can draw 3 cards from the deck of 52 cards is,

$\dbinom{52}{3}=(52!)/(3!\ 49!)=(52* 51* 50)/(6)=22100$

Out of 52, 4 cards are jacks. So the number of ways you can draw 3 jacks out of 4 is,

$\dbinom{4}{3}=(4!)/(3!\ 1!)=(24)/(6)=4$

So, the probability three cards from a regular deck of 52 cards will be,

$(4)/(22100)=0.00018$

Final answer:

The likelihood of pulling three Jacks from a 52-card deck is calculated by multiplying together the probabilities of pulling a Jack on each of the three cards drawn. This comes to approximately 0.000181, or 0.0181%

Explanation:

The question you're asking is about the probability of drawing three Jacks from a 52-card deck. A standard deck has 52 cards, and there are 4 Jacks in the deck. So, when you're dealing the first card, the probability that it's a Jack is 4 out of 52, or 1 out of 13. After one Jack has been dealt, there are now only 3 Jacks left and 51 cards total, so the probability that the second card is a Jack is 3 out of 51. For the third card, because there are only 2 jacks left out of 50 cards, the probability is 2 out of 50. Because you want all these events to happen, you would multiply these probabilities together. Therefore, the probability of getting three Jacks is (4/52) * (3/51) * (2/50), which simplifies to approximately 0.000181.

Learn more about Probability here:

brainly.com/question/32117953

#SPJ3

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Pls help I’ll give brainliestSix friends shared some pizzas. Each pizza was cut into 12 slices. Joe ate 4 slices, Paige ate 6. Darius ate 1 4 of a pizza, Hannah ate 1 3 of a pizza, and Brett ate 1 2 of a pizza. Alex ate half as much as Bret. A) How many pizzas did the friends eat? Show or explain your reasoning

On a particular day, the wind added 2 miles per hour to Jaime's rate when she was rowing with the wind and subtracted 2 miles per hour from her rate on her return trip. Jaime found that in the same amount of time she could row 44 miles with the wind, she could go only 36 miles against the wind.What is her normal rowing speed with no wind?