leven purple marbles, seven orange marbles and two pink marbles are in a bag. What is the probability of selecting a purple marble, not replacing it, and then selecting an orange marble?

Question 4 options:

19%


20%


21%


22%

Answer:

The probability of picking a purple marble, and then, not replacing picking an orange marble is approximately 20%

Step-by-step explanation:

First we know that there are 20 marbles in the bag, so the probability of picking a purple marble is 11/20. If we take a purple marble out, there will only be 19 marbles remaining in the bag. So the probability of picking an orange marble would be 7/19. Now, all we need to do is multiply the 2 fractions, and we will get 77/380 which equals to which is approximately 20% .

If 33% of people chose vanilla and 19% chose chocolate as their favorite flavor of ice cream, what percent of people chose a flavor other than vanilla or chocolate

Find the correct plugged in formula for each figure. *

Use the distributive property to create an equivalent expression to the equation 9(2j + 5j).

Pepino’s pizza charges $8 for medium pizza plus $2 for each topping. How many toppings are on a medium pizza that costs $20?

plssss helppp ASAP
will give brainliest

help plzzzz 10 points

Which of the following best defines Biodiversity?

a
the variety of different species in an ecosystem or on Earth
b
an individual organism
c
all the abiotic factors in a given area
d
the number of individuals of one species in a particular area
Question 2 (3 points)
Which of the following is NOT one of the 3 levels of biodiversity?

a
Universe diversity
b
Ecosystem diversity
c
Genetic diversity
d
Species diversity
Question 3 (3 points)
Which of the following best defines species diversity?

a
The variation in all the different types of ecosystems (or biomes) found on Earth.
b
The variation in genes that exists within a species.
c
The number of species and abundance of each species that live in a particular location.
Question 4 (3 points)
Which of the following best defines genetic diversity?

a
The variation in genes that exists within a species.
b
The variation in all the different types of ecosystems (or biomes) found on Earth.
c
The number of species and abundance of each species that live in a particular location.
Question 5 (3 points)
Which of the following best defines ecosystem diversity?

a
The number of species and abundance of each species that live in a particular location.
b
The variation in genes that exists within a species.
c
The variation in all the different types of ecosystems (or biomes) found on Earth.
Question 6 (3 points)
What are ecosystem services?

a
services that ecosystems provide where they will remove all the trash in your home.
b
ecosystems that are pretty to look at.
c
a processes where ecosystems become cleaner and cleaner every day.
d
processes or services provided by biodiversity that help make daily life more livable for humans.
Question 7 (12 points)
There are four major categories of ecosystems services that biodiversity provides: Provisioning Services, Regulating Services, Cultural Services, and Supporting Services.

Match each of the 4 types of ecosystem services to its correct definition. Next to each number 1-4 you will type the letter (a, b, c, or d) of the answer choice that matches.

Column A
1.
Provisioning Services

:
Provisioning Services

2.
Regulating Services

:
Regulating Services

3.
Cultural Services

:
Cultural Services

4.
Supporting Services

:
Supporting Services

Column B
Column B
a.
Non-material benefits that help the culture and advancement of people and help shape our culture, such as providing a place to practice creativity through music, art or recreation.

b.
The very basic services that exist naturally allowing ecosystems to thrive such as the water cycle, photosynthesis, soil creation, and nutrient recycling.

c.
Processes provided by nature that benefit the Earth and people such as pollination, decomposition of dead organisms, prevention of soil erosion, or water purification.

d.
Any type of benefit to people that can be taken from nature, such as food, water, timber, or medicine.

Help mehhhhhhhhhhh plssss

Topic 12 Online math help

pls help on this too

hurry up ppppppplllzzzz

Do not mind the bottom just look at the top also please help me

PLEASE if you can can you draw and edit the picture and put the numbers in the boxes please. also put the labels

PLEASE HELP!!!!! AND TAHNK YOU

350% of 69 is what number

-9/3 + b = -1
b = ?
Will give out brainlyist

please help!!!!!!!!!!!!

3cmx8cmx4cm pls someone help

hi! can someone please help? i added a pic so that u can see what i need help on. hopefully it helps

Which table represents values of x and y such that y = x + 4

cmon answer this please
solve it and then list it to greatest to least

Here’s a clearer picture person who answered

Answer this question please and thank you

Alfred spends 7 hours doing work outside each week as part of his chores. For every extra hour he spends working outside beyond
the 7 hours, his parents pay him $7. How much money will he be paid if he spends 13 hours working outside?
OA.
$13
ОВ.
$91
OC.
$140
OD
$42

Im tired
Which of these describes a ray?

Question 3 options:


Extends in both directions with no end


A part of a line that connects two endpoints


Has a start point but no endpoint


An exact location that has position but no size

PLZ TAKE THIS SERIOUSLY i dont undertsnad this at all can you guys help at least do 3 out of the five! do not answer if u just want points or dont known either!

Jeordie spreads out a rectangular blanket with an area of 42 square feet. Its width is 6 feet. Which equation could you use to find its length? (Area = bh)

The value (in degrees) of each of the interior angles of a regular n-gon is represented by x. Write an inequality that describes the minimum value of x.

Use the distributive property to rewrite (5x + 3)(2) as a sum of two terms.

please hurry

PLS HELP ME- I HAVE TO TAKE A TEST AND IM SO CONFUSED ON 8 QUESTIONS-Directions :Use the given information to find the missing piece. You may use any method to solve the following problems, but please make sure to show all work.
1. Original price-- $80
Percent of discount—20%
Sale price-- ???

2.Original price-- $82
Percent of discount-- ???
Sale price-- $65.60

3. Original price-- ???
Percent of discount—5%
Sale price-- $57

4.A store pays $85 for a game system. They mark it up 125%. If 6% sales tax is applied on top of the new price, what is the final price of the aquarium?

5. Your friend used a $20 coupon to purchase a pair of sneakers that were advertised at $139.99. You buy the same shoes, but you use a 20% off coupon. Who paid a cheaper price?

6. A store buys an item for $10. To earn a profit of $25, what percent does the store need to markup the item?

7.You and 2 friends go out to dinner. The food bill comes to $35.20, and you are charged an additional 6% sales tax. You then want to leave an 18% tip just on the price of the food. If you split the final amount evenly, how much should each person pay?

8.You start the baseball season with 10 strikeouts. By the end of the season, you only have 4 strikeouts. What is the percent of change of the number of strikeouts? (don’t forget increase or decrease!)

PLS HELP MEEE THIS IS A 45 QUESTION TEST- IM SO CONFUSED ON THESE QUESTIONS- IM SO BAD AT THIS KIND OF MATH SUHYDSKLJ
SRRSLY PLEASE HELP MEEE I WILL MARK BRAINLY- IM LOOSING POINTSSSS- PLS HELP ITS DUE BY 2PM AND I NOW HAVE NO MORE POINTSSSS PLS HELPP