angel1001 angel1001

02-03-2017
Mathematics

contestada

Two angels are complementary. One angle is 18 degrees more than 2 times the other. Find the angles.

Respuesta :

rarrininger rarrininger

05-03-2017

two complementary angles = 90°
X = 18+ 2y
X + y = 90
Plug first equation into second
18 + 2y +y = 90
18 + 3y = 90
18 – 18 +3y = 90 – 18
3 y = 72
3y/3 = 72/3
Y = 24
Plug y into 2nd formula
X + 24 = 90
X + 24 -24 = 90 – 24
X = 66

Answer Link

Otras preguntas

How many integers are there… Between m and n, including m and n, Between m and n, not including m and n?

Factorise fully the following: a) 3x + 18 b) 2x - 14 c) 6x + 4 d) 9x - 15

Find the distance between the points (-2, 3) and (5, -1). Round to the nearesttenth.

Explain GMO Food in a paragraph.

A fisherman noticed that a float makes 30 oscillations in 15 seconds. The distance between two consecutive crests is 2 m. What is the period and frequency of th

Select all of the following that are characteristics of lyric poetry:

On January 1, Year 1, Parker Company issued bonds with a face value of $75,000, a stated rate of interest of 6 percent, and a five-year term to maturity. Intere

How much do you need to subtract from 47/6 to make 7

The volume of a cone is 410.3 mm and has a radius of 7 mm. What is the height of the cone? Round to the nearest hundredths

Mr. Suárez wants to paint his storage shed. He needs to calculate the lateral surface area of the shed so that he will know how much paint to buy. The shed is i