ZhangYan
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Questions Asked

ZhangYan:
Jennie is working at a lighthouse. From the top of the lighthouse, she spots a boat at an angle of depression of 25 degrees. She knows that …
 updated one year ago
 3 replies
 1 Medal
Mathematics

ZhangYan:
A large totem pole near Kalama, Washington, is 106 feet tall. At a particular time of day, the angle of elevation to the top of the pole fro…
 updated one year ago
 6 replies
 2 Medals
Mathematics

ZhangYan:
A ladder leans against a building forming an angle of 55 degrees with the ground as shown in the diagram. The base of the ladder is 5 feet f…
 updated one year ago
 11 replies
 2 Medals
Mathematics

ZhangYan:
Find the value of a in the diagram of the right triangle. Round to the nearest tenth.
https://www.connexus.com/content/media/102877318201…
 updated one year ago
 3 replies
 2 Medals
Mathematics

ZhangYan:
Use a calculator to find the given value. Round to four decimal places.
sin 21 degrees
…
 updated one year ago
 6 replies
 2 Medals
Mathematics

ZhangYan:
Please help!!!!!
 updated one year ago
 14 replies
 2 Medals
Mathematics

ZhangYan:
Please Help!!!!
 updated one year ago
 6 replies
 2 Medals
Mathematics

ZhangYan:
The length of the hypotenuse of a 30mc0171.jpg60mc0172.jpg90mc0173.jpg triangle is 28 m. Find the length of the side opposite the 30mc0…
 updated one year ago
 3 replies
 2 Medals
Mathematics

ZhangYan:
Find the missing lengths in the triangle. Round to the nearest tenth if necessary.
a = 7.5 cm, b = 10.6 cm
…
 updated one year ago
 15 replies
 1 Medal
Mathematics

ZhangYan:
Ingrid is making a quilt using squares that measure 5 in. on a side. What is the length of a diagonal of one of the quilt squares? Round to …
 updated one year ago
 14 replies
 4 Medals
Mathematics

ZhangYan:
Find the midpoint of AB.
 updated one year ago
 7 replies
 2 Medals
Mathematics

ZhangYan:
Write a proportion and find the value of x in the diagram. Round to the nearest tenth if necessary.
 updated one year ago
 4 replies
 2 Medals
Mathematics

ZhangYan:
Find the perimeter of triangleABCD. Round to the nearest tenth.
 updated one year ago
 8 replies
 3 Medals
Mathematics

ZhangYan:
Find the distance between the two points. Round to the nearest tenth if necessary.
(8, 8), (12, 11)
…
 updated one year ago
 13 replies
 3 Medals
Mathematics

ZhangYan:
Which of the following could NOT be the lengths of the sides of a right triangle?
9 ft, 12 ft, 15 ft
…
 updated one year ago
 7 replies
 1 Medal
Mathematics

ZhangYan:
Which number is irrational?
 updated one year ago
 7 replies
 4 Medals
Mathematics

ZhangYan:
Which of these sets of numbers contains no irrational numbers?
…
 updated one year ago
 18 replies
 4 Medals
Mathematics

ZhangYan:
Estimate the square root to the nearest integer.
Find two integers that make the equation y^2 = 25 true.
 updated one year ago
 19 replies
 2 Medals
Mathematics

ZhangYan:
what are the types of industries found in Bahrain, Canada, and Egypt?
what are some of the exports in Bahrain, Canada, and Egypt?
 updated one year ago
 19 replies
 1 Medal
Mathematics

ZhangYan:
Which of the following could be controversial?
a recipe for blueberry muffins
…
 updated one year ago
 1 reply
 1 Medal
Mathematics

ZhangYan:
Which of the following sentences is punctuated correctly?
Melissa said that she would never go on a cruise.
…
 updated one year ago
 21 replies
 2 Medals
Mathematics

ZhangYan:
Which of the following sentences is punctuated correctly?
Mrs. Rogers offered to drive several students to the gym; otherwise, our t…
 updated one year ago
 No Medals Yet
Mathematics

ZhangYan:
Why drinking water is so important??????
 updated one year ago
 7 replies
 1 Medal
Mathematics

ZhangYan:
Why drinking water is so important??????
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

ZhangYan:
Which statement is NOT ENTIRELY TRUE?
a) French forces commanded by General Juin took part in the campaign which freed Naples and Rome.
…
 updated one year ago
 1 reply
 1 Medal
Mathematics

ZhangYan:
What is the rise of a roof if the span is 30 ft and the rafter length is 16 ft?
about 5.6 ft
about 25.4 ft
…
 updated one year ago
 2 replies
 2 Medals
Mathematics

ZhangYan:
Is a triangle with sides 6.9 ft, 9.2 ft, and 11.5 ft a right triangle?
yes
…
 updated one year ago
 4 replies
 2 Medals
Mathematics

ZhangYan:
The formula d = sqrt15h, where h equals the height, in feet, of the viewer's eyes, estimates the distance d, in miles, to the horizon from t…
 updated one year ago
 4 replies
 2 Medals
Mathematics

ZhangYan:
Identify each number as rational or irrational.
 updated one year ago
 6 replies
 1 Medal
Mathematics

ZhangYan:
Simplify each square root or estimate to the nearest integer.
 updated one year ago
 9 replies
 1 Medal
Mathematics
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