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Simplify. Rewrite the expression in the form 4^n. 4^8 4^3
answered
Jun 30, 2022
Mathematics
college
13
votes
106k
views
Which expression is undefined?
answered
Jun 24, 2022
Mathematics
high-school
7
votes
46.9k
views
A heat engine that rejects waste heat to a sink at 510 R has a thermal efficiency of 25 percent and a second-law efficiency of 50 percent. Determine the temperature of the source that supplies heat to
answered
May 19, 2022
Engineering
college
5
votes
177k
views
What is the coordinates for lat/long
answered
May 12, 2022
Social Studies
college
2
votes
182k
views
An 800-kHz radio signal is detected at a point 4.5 km distant from a transmitter tower. The electric field amplitude of the signal at that point is 0.63 V/m. Assume that the signal power is radiated uniformly
answered
May 10, 2022
Physics
college
6
votes
180k
views
Which of the following may be found in the epidermis? hair follicles fat cells sweat glands warts
answered
Mar 22, 2022
Health
high-school
3
votes
69.0k
views
Try solving this equation. m + 18 = -112
answered
Jan 29, 2022
Mathematics
college
7
votes
88.4k
views
A solid sample is hit with a hammer and breaks into jagged, irregular shards. What type of solid was it? A) molecular solid b) network solid c) ionic solid d)metallic solid
answered
Jan 11, 2022
Chemistry
college
1
vote
4.7k
views
-2(x - 3) = -3x + 8 What is the answer?
answered
Jan 2, 2022
Mathematics
college
9
votes
135k
views
Which of the following areas was not part of the Han empire? A. Tibet B. northern Vietnam C. northern Korea D. southern Mongolia
answered
Dec 22, 2021
Social Studies
middle-school
4
votes
155k
views
Simplify. (3x2 + 8x)(2x − 2) A. 6x3 + 10x2 − 16x B. 6x3 + 16x2 − 6x − 16 C. 6x2 + 10x − 16 D. 5x2 + 10x − 16
answered
Dec 15, 2021
Mathematics
college
3
votes
216k
views
A truck is traveling at a constant speed of 20 m/s through a school zone. At time t = 0 seconds, he passes a hidden police car that is at rest. Five seconds after the truck passes, the police car begins
answered
Nov 8, 2021
Physics
high-school
2
votes
66.0k
views
What has been the pattern of population growth in the Russian Domain since the demise of the USSR?
answered
Aug 19, 2021
Social Studies
high-school
6
votes
13.3k
views
What is "Great Rock and Roll Pauses" mostly about? O A. Rock and roll legends O B. Great rock songs O C. A girl and her family O D. A music concert
answered
Apr 14, 2021
Social Studies
middle-school
5
votes
91.9k
views
Describe evolution in genetic terms, using the words allele, gene pool, and population in your response.
answered
Mar 12, 2021
Biology
middle-school
6
votes
190k
views
D Question 3 Ca(OH)2 Strong electrolyte Weak electrolyte Nonelectrolyte Previous
answered
Feb 27, 2021
Chemistry
middle-school
5
votes
167k
views
Who asked congress for declaration of war against japan
answered
Aug 30, 2020
History
middle-school
3
votes
2.3k
views
According to the American College of Sports Medicine's 2013 guidelines, how often and how long should a person participate in moderate cardiorespiratory endurance exercise (e.g., walking briskly)?
answered
Jul 19, 2020
Health
high-school
3
votes
158k
views
Freshwater fish need water near pH7.these fish prefer a.neutral water b.acidic water c.basic water d.salt water
answered
May 10, 2020
Biology
middle-school
4
votes
5.4k
views
A town in West Virginia needs to choose a jury for a trial. They create slips of paper with the names of each of the adults in the county and place the slips in a large box. They then draw twelve names
answered
Apr 27, 2020
Social Studies
high-school
2
votes
110k
views
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