1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
soldi70 [24.7K]
3 years ago
8

Mary missed the bus and has to go to work by foot. She walked 80% of the distance and

Mathematics
1 answer:
kari74 [83]3 years ago
3 0

100 - 80 = 20%

She ran 20% of the journey

20% x 9km = 0.2 x 9 = 1.8 km

Answer: She ran 1.8 km

You might be interested in
How i can answer this question
Advocard [28]

Answer:

A. 2(x+y+1). lmk if you need any more awnsers

4 0
2 years ago
Describe the cross section, please help
levacccp [35]
A cross section is the shape we get when cutting straight through an object. The cross section of this object is a triangle. It is like a view into the inside of something made by cutting through it.
6 0
3 years ago
During a science experiment,the temperature of a solution in beaker 1 was 5 degrees below zero. The temperature of a solution in
GaryK [48]
Answer:
5 degrees

Step-by-step explanation:

We are given that during a science experiment
The temperature of a solution in a beaker 15 degrees below zero
The temperature of solution in a beaker 2 was opposite of the temperature in beaker 1
We have to determine the temperature of beaker 2.
It mean temperature of beaker 1 solution=-5 degrees
According to question
Temperature of beaker 2 solution =5 degrees
Hence, the temperature of solution in a beaker 2=5 degrees
7 0
1 year ago
Which type of study best describes the following research most likely to be done? A teacher wants to know how fast all her stude
Yakvenalex [24]

Census

_____________________________________

<em>*100% CORRECT ANSWERS</em>

Question 1

Which type of study best describes the following research most likely to be done?

A researcher is testing out a brand new type of safety suit for fires and is trying to test the maximum threshold of the suit.

Simulation Study  

Question 2

Which type of study best describes the following research most likely to be done?

A test is being conducted on a new medicine that is supposed to heal cuts faster. One group is given the actual medicine in a gel type of ointment to apply to the cuts. The second group is given just regular Vaseline that looks like the medicine but has not benefit to put on the cut. The results are then compared.  

Experimental Study  

Question 3

Which type of study best describes the following research most likely to be done?

A researcher is wanting to research the after effects of plant growth after a nuclear reactor meltdown and decides to study plants within a 50 mile radius of the  power plant that had a catastrophic melt down in 2011.  

Observational Study  

Question 4

Which type of study best describes the following research most likely to be done?

A study is being conducted by an insurance actuary and he wants to determine how often American teen drivers that are on the honor roll get into wrecks.  

Sampling  

Question 5

Which type of study best describes the following research most likely to be done?

A teacher wants to know how fast all her students for a particular period can complete a multiplication quiz to check their mental math abilities. So, all of her students are tested on a computer and the time of each and every student is recorded.  

Census

6 0
3 years ago
Give me an answer only
masha68 [24]

Answer:

Step-by-step explanation:

option 2

5 0
2 years ago
Read 2 more answers
Other questions:
  • Can you please help me solve <br> 1/2(4a+8b+2)
    8·2 answers
  • What is the value of the sum -3/8 + 5/16 will give brainlyiest
    8·1 answer
  • What is the reason for step 5?
    9·1 answer
  • help? sorry I'm just confused so yeah. please help as much as you can. please and thank you. I can help you in return.
    9·1 answer
  • Solve the system of equations x - 2y = 2 and
    14·1 answer
  • Please help don’t skip!! :((
    12·1 answer
  • Does anyone know what topic this is ?
    10·1 answer
  • Find the volume of the cylinder below. Leave your answer in terms of pi.
    6·1 answer
  • A cyclist going downhill is accelerating at 1.2 m/s2. If the final velocity of the cyclist is 16 m/s after 10 seconds, what is t
    14·2 answers
  • What are simultaneous equations​
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!