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Answers by Pirooz

Answers by Pirooz
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Pia needs 100 red beads to make a necklace. She already has 38 red beads. How many more beads does she need?
answered Dec 31, 2021
5 votes
31.9k views
1. An endothermic reaction _________ energy. A. eliminates B. generates C. None of these D. absorbs 2.The energy change in an endothermic reaction is: A. External B. Positive C. Negative D. Internal 3.
answered Dec 2, 2021
7 votes
101k views
A material that transmits nearly all the light in a ray because it offers little resistance to the light is ________. A. translucent.B. opaque.C. fluorescent.D. transparent.
answered Nov 29, 2021
3 votes
139k views
Which characteristic of potassium makes it useful for dating rocks? It has a long half-life. It decays at an unknown rate. It produces lead as it breaks down. It can be used to date all types of rock.
answered Oct 23, 2021
2 votes
199k views
You randomly draw a marble from a bag, record its color, and then replace it. You draw a green marble 19 out of 50 times. What is the experimental probability that the next marble will be green? Write
answered Jul 18, 2021
6 votes
12.4k views
Is there an ethically acceptable reason to study and use the various attack methods described in this chapter? Can you think of any examples where ethical hacking occurs? What is your opinion of ethical
answered Jul 17, 2021
5 votes
37.2k views
A machine in a factory makes 20 gadgits every 1 hour. How many gidgets are made every hour ?
answered Jun 27, 2021
4 votes
4.2k views
Gwendolyn shot a coin with a sling shot up into the air from the top of a building. The graph below represents the height of the coin after x seconds.
answered May 24, 2021
5 votes
68.4k views
A certain shade of pink is created by adding 3 cups of red paint to 8 cups of white paint. a. What is the constant of proportionality for cups of red paint per cup of white paint?
answered Apr 10, 2021
6 votes
147k views
An atomic scientist was studying an atom and through experimentation found that the total negative charge of the area surrounding the nucleus is -9. Which statement correctly describes this atom? This
answered Feb 21, 2021
6 votes
42.4k views
Answer these questions. What is the value of x, if 105% of 90 is equal to 200% of x?
answered Feb 16, 2021
3 votes
210k views
PLEASE HELP THE ANSWER CHOICES I SHOWED R FOR ALL THE ANSWERS TY
answered Feb 10, 2021
2 votes
150k views
HELP PLEASE!!! Which describes the slope of the following equations x = 6 ___________________________________________ Question 9 options: Positive Slope Negative Slope Zero Slope Undefined Slope
answered Jan 1, 2021
4 votes
115k views
Qual é o valor de 2 elevado a terceira potencia
answered Jul 10, 2020
2 votes
105k views
When a person smokes a cigarette, what remains on the lungs A. Tar B. Alcohol C. Nutrients D. Iron (Plz hurry...)
answered Jun 23, 2020
2 votes
63.7k views
What emotions does the image of "a huge mountain ‘tween my hearth and tongue” reveal? doubt and fear trust and pride vengeance and hate love and affection
answered Apr 7, 2020
2 votes
232k views
What is the solution to 2x-8<12 a x <2 b x<8 c x<10 d x<40
answered Mar 9, 2020
3 votes
1.6k views
What effects did Ww11 have on the home front?
answered Jan 25, 2020
4 votes
198k views
Audrey planes to move to move from lowa to Arizona. En route, she was offered a job in Colorado, which she accepted. She now lives in Denver, Colorado, and works for and athletic design company.
answered Nov 19, 2019
2 votes
73.5k views
One of the most responsibilities employers have under OSHA is to
answered Aug 31, 2019
1 vote
137k views
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