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A spaceship is 1600 m long when it is at rest. When it is traveling at a certain constant speed its length is measured by external observers and it is found to be 1390 m. What is the speed of the spaceship
answered
Jun 19, 2020
Physics
college
4
votes
234k
views
8+3(16-12) in order of operations
answered
Jun 11, 2020
Mathematics
middle-school
2
votes
102k
views
During its first year of operations, Connor Company paid $50,000 for direct materials and $36,000 in wages for production workers. Lease payments and utilities on the production facilities amounted to
answered
May 13, 2020
Business
college
3
votes
124k
views
The bakers can make 33 bagels in 30 minutes. How many bagels can they make in 18 hours. What is the rate per hour.
answered
Apr 17, 2020
Mathematics
middle-school
2
votes
225k
views
I need help on this question
answered
Apr 13, 2020
Mathematics
middle-school
3
votes
3.0k
views
What is the best approximation of the volume of a sphere with a 12 cm diameter?
answered
Oct 25, 2019
Mathematics
high-school
7
votes
180k
views
Which is not an example of a biometric check A. Retina scan B. An image of your house key C. Voice recognition technology D.fingerprint technology
answered
Feb 19, 2019
Business
college
7
votes
93.4k
views
Write the following decimals as fractions in simplest form
answered
Feb 5, 2019
Mathematics
middle-school
3
votes
110k
views
Builders who value the environment may include _____ in their development plans
answered
Aug 20, 2018
Business
high-school
3
votes
141k
views
to move a heavy object, like a refrigerator which one of the following would not help to decrease the friction force?
answered
Jul 9, 2018
Physics
high-school
2
votes
57.0k
views
List three pros and three cons of nuclear energy.
answered
Jun 24, 2018
Chemistry
middle-school
4
votes
101k
views
AB and BC are tangent to circle D. find angle B if arc AEC measures 210 degrees
answered
Feb 14, 2018
Mathematics
high-school
5
votes
37.2k
views
for 8 days of very hot weather, the water level in a lake dropped 3 inches per day. on the ninth day, storms raised the level 6 inches. Write and find the value of an expression for the change in the water
answered
Dec 15, 2017
Mathematics
middle-school
3
votes
32.0k
views
What is the conversion factor from km. to ft.? If Joe traveled 12 kilometers, how many feet did he travel?
answered
Jul 29, 2017
Mathematics
high-school
6
votes
26.6k
views
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