valval2205

32 Questions
0 Answers

0

2429

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+109

Math World Problem #3

Charles lives in a tall apartment building. He looks out his window and spots a car on the road that runs straight toward his building. His angle of depression to the car is 24°.
Charles looks farther down the road and spots a dump truck. He estimates read more ..

valval2205 Feb 22, 2020

0

1717

1

+109

Math Problem .

In △CDE , DE=14 , CE=9 , and m∠E=71∘ .
What is the length of CD

valval2205 Feb 22, 2020

0

1967

1

+109

Math World Problem #2

Nya selects a tile for her shower that is in the shape of a rhombus. Each side of the rhombus measures 6 inches. The diagonal opposite the smaller angle is 4.6 inches.
What is the measure of the larger angle in the rhombus?

valval2205 Feb 22, 2020

0

2649

1

+109

Math World Problem

A guy wire is a cable used to restrain objects from moving. They are used to support towers or poles.
A guy wire is attached to a cell tower. The 60-foot long guy wire is attached to a tower such that the angle formed by the ground and the wire read more ..

valval2205 Feb 22, 2020

0

1478

1

+109

Math Help

In △CDE , CD=10 , DE=7 , and m∠E=62∘ .
What is m∠D to the nearest tenth of a degree?
Enter your answer in the box.

valval2205 Feb 22, 2020

0

848

2

+109

Math Problem

The hypotenuse of a right triangle measures 2√15 centimeters and its shorter leg measures 2√6 centimeters. What is the measure of the larger acute angle of the triangle? Round your answer to the nearest tenth of a degree.

valval2205 Feb 22, 2020

0

685

0

+109

Math Question

cosθ=−3√4 , where π≤θ≤3π2 .
tanβ=34 , where 0≤β≤π2 .
What is the exact value of sin(θ+β) ?

valval2205 Feb 19, 2020

0

1545

2

+109

Radius of a circle

The logo for a new company is a circle divided into 24 equally sized sectors. Six of the sectors are white, and the others are different colors.
The area of one of the white sectors is 13π50 inches squared.
What is the radius read more ..

valval2205 Feb 19, 2020

0

2584

1

+109

Radius question

Two gears are connected by a chain. The larger gear has a linear velocity of 27π10 inches per second. The angular velocity of the smaller gear is 15π2 radians per minute.
What is the radius of the smaller gear? read more ..

valval2205 Feb 19, 2020