Sixty percent of students in your school own a bike. Of a sample of students in your school, the ratio of students who own a bike to students who do not own a bike is 4:10. Does the sample closely estimate the percentage of students in your school who own a bike?

Answer:

No, because 4:10 means 4 out of 14 people own a bike this is roughly 28.5%. This is not close to the 60% of people who own a bike.

Step-by-step explanation:

I hope this helps!

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

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Topic 12 Online math help

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

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

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

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

can somebody please help me and explain a little bit? :(

Jada explains how she finds 15*23
"I know that ten 23s is 230 so 5 23s will be half of 230 which is 115. 15 is 10 plus 5, so 15*23 is 230 plus 115, which is 345

a.Do you agree with Jada?Explain

3cmx8cmx4cm pls someone help

Find the correct plugged in formula for each figure. *

Write a numerical expression to match the word expression. ) Two less than one-third of the product of nine fourths and twelve 12 1 3 2 alt ( x 12) 4​

PLEASE HELP!!!!! AND TAHNK YOU

plssss helppp ASAP
will give brainliest

350% of 69 is what number

A manufacturer of flea collars for animals injects the collars with 15 milligrams of a medicine that only acts on fleas. The manufacturer will only sell collars with at least 14 milligrams and no more than 16 milligrams of medicine. The following list shows the result of sampling 36 collars from an actual production run of 720 collars.



A) Based on this sample, what percent of the collars would be acceptable? Explain how you got your answer.

B) Based on this sample, how many collars would you expect the manufacturer to reject?

These 2 questions are worth 35 points for the brainliest user. If you answer these two questions, I will answer any of yours for a brainliest on the ones that I answer right. Whoever answers these 2 questions first gets a brainliest.

1.) Which of the following list of side lengths could form a triangle?

10, 12, and 25
5, 6, and 12
2, 2, and 4
4, 5, and 6

2.) Which of the following sets of measures for sides doesn't form a triangle?

7, 9, 17
14, 18, 18
8, 8, 8
3, 3, 5

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

Steve has two cans containing biscuit dough. The cans are cylindrical and their dimensions (in inches) are as follows.
• Can A: h = 10 and r = 0.6
• Can B: h = 5 and r = 1.2

Which of the following statements about the volumes of the cans is true?
A. The volume of can A is twice the volume of can B.

B. The volume of can B is twice the volume of can A.

C. The volumes of the two cans are equal.

D. The volume of can A is four times the volume of can B.

An antique collectible has a value of $235 right now. It will increase in value by 9% each year. Find the value the collectible after 16 years, A.$2115 B. $1017 C.$856 D.933

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)

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

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 plzzzz 10 points

please help
1. The product of eleven times a number less than 12
A. 11n - 12
B. 12 - 11n
C. 12n - 11
D. 11(n - 12)

Answer this question please and thank you

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

please hurry

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