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(50 points) An aerial photograph is taken of a building. The photograph is made when the angle of elevation of the sun is 25 degrees. The shadow is determined to be 80 feet long. How tall is the building?
answered
Apr 9, 2020
Mathematics
college
4
votes
111k
views
A bicyclist bikes the 90 mi to a city averaging a certain speed. The return trip is made at a speed that is 1 mph slower. Total time for the round trip is 19 hr. Find the bicyclist's average speed on
answered
Jan 29, 2020
Physics
high-school
2
votes
102k
views
An unopened bag of chips expanding as one drives up a mountain is a good example of how volume
answered
Aug 22, 2019
Physics
high-school
5
votes
32.4k
views
Simplify this math problem 2x +3 -x=
answered
Jul 27, 2019
Mathematics
middle-school
0
votes
69.7k
views
What is the value of x? A. 64 B. 100 C. 10 D. 36
answered
Jul 22, 2019
Mathematics
college
1
vote
207k
views
Identify the appositive in the following sentence and type it in the box below. When tempted to steal, the young boy remembered his father's advice, that sin will find you out.
answered
Feb 22, 2019
English
middle-school
3
votes
172k
views
Which was a major source of debate between william mckinley and william jennings bryan in the election of 1896?
answered
Nov 23, 2018
History
high-school
3
votes
29.9k
views
If you are pushing on a box with a force of 20 N and there is a force of 7 N on the box due to sliding friction, what is the net force on the box?
answered
Nov 13, 2018
Mathematics
high-school
4
votes
128k
views
Which phase in the communication process ensures that the receiver has understood exactly what the sender intended to convey?
answered
Jul 26, 2018
Health
college
5
votes
144k
views
Which European leaders most encouraged the exploration of the world?
answered
May 18, 2018
Social Studies
middle-school
3
votes
195k
views
Frederick Douglass was a supporter for national economy prohibition child labor abolition
answered
Feb 2, 2018
History
high-school
0
votes
227k
views
Who painted “Shahjehan on Death Bed” ? a. Raja Ravi Verma b. Nand Lal Bose c. Abanindranath Tagore d. Amrita Shergil
answered
Nov 23, 2017
Arts
high-school
3
votes
107k
views
Which of these statements is TRUE? A. To lose weight, you must consume fewer calories than energy expended. B. It is considered safe to lose 10 pounds a week. C. You must exercise at least one hour a day
answered
Nov 20, 2017
Biology
high-school
4
votes
223k
views
The source region of this _____ air mass is over the southern Atlantic Ocean.
answered
Jun 20, 2017
Geography
middle-school
4
votes
202k
views
Round each number to the nearest ten to estimate. 22.6 + 63.1
answered
Jan 19, 2017
Mathematics
high-school
2
votes
223k
views
Evaluate the expression when x = 8 and y = 1. x/2y A. 8 B.1/8 C.4 D.1/4
answered
Sep 6, 2016
Mathematics
high-school
5
votes
172k
views
Should the United States ally itself with Great Britain or France? Why or why not?
answered
Jul 29, 2016
History
middle-school
5
votes
69.7k
views
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