Answers by Petko Petkov
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Answers by Petko Petkov

Answers by Petko Petkov
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Evaluate the following expression: 52 + 4(6 + 4 + 24) The value of the expression is
answered Aug 22, 2022
10 votes
155k views
James is planning a science fair project on sound waves. He places an alarm inside a jar which he can remove the air from. Before he removes the air, he can hear the alarm ringing. After he removes the
answered Jun 25, 2022
7 votes
69.1k views
CAN SOMEONE HELP ME PLEASE
answered Jun 24, 2022
6 votes
51.5k views
Solve the simultaneous equations 8x – 3y = 30 3x + y = 7​
answered May 17, 2022
0 votes
54.2k views
What does Fraternity mean?
answered Jan 13, 2022
4 votes
193k views
Which phrase does not describe a rational number? a) integer number b) repeating decimal c) terminating decimal d) non-repeating, non terminating decimal​
answered Jan 12, 2022
2 votes
52.9k views
I NEED HELP ASAP PLS ANSWER
answered Nov 30, 2021
3 votes
161k views
Jay Stone's gross weekly pay is $280.00. his earnings to date are 59,740.00. What amount is deducted from his pay this werk for Social Security taxes? (note:the rate is 6.2 percent) A) $4.06 B)$16.80 C)
answered Nov 16, 2021
4 votes
5.0k views
How many 12 letter words can be formed using the letters in the word "tessellation"?
answered Nov 10, 2021
3 votes
153k views
The angle of refraction is measured between the refracted ray and what other line? A. The reflected ray B. The normal C. The incident ray D. The boundary between the two materials
answered Sep 28, 2021
6 votes
84.7k views
What is the missing number? 4(_ + 7) = 36 + 28 If you could show a step by step explanation that would be awesome!
answered Jun 12, 2021
4 votes
126k views
Can x = 0 in the equation below? Explain. 4 + x + 2 > 8
answered May 13, 2021
6 votes
33.4k views
This HAS to be an answer for second graders Where do different kinds of apples come from?
answered Apr 23, 2021
1 vote
155k views
Mary places headphones on her pregnant belly so that her baby can hear classical music. She notices that her baby moves less as a result of the soft, soothing music. What type of environment is being impacted
answered Apr 18, 2021
1 vote
33.3k views
Once an enabling act is passed by Congress before a Territory may join the Union, the territory must A. prove the required number of residents and elect State officials. B. prove that they have the required
answered Mar 6, 2021
5 votes
66.3k views
During a field trip to a national park, students notice the fossilized tracks of dinosaur footprints. Such fossils help scientists understand and study the behavior of extinct organisms. The fossilized
answered Feb 23, 2021
4 votes
183k views
Volume of cylinder pi 3.14 r =8mm and h 42mm
answered Feb 21, 2021
3 votes
69.7k views
In swimming, you apply a force to the water to move yourself forward. The greater the water pressure, the faster you can swim. This can beat be explained by one of newtons laws of motion that states
answered Jun 27, 2020
0 votes
190k views
Neal has decided to quit smoking, and spoken to his doctor about how to do it. He’s even recruited his friend Rio to be his "quitting buddy." According to the Transtheoretical Model (TTM), which stage
answered May 31, 2020
4 votes
230k views
What is the greatest common factor of the numbers 12 and 54?
answered May 25, 2020
5 votes
85.0k views
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