gconrad190 gconrad190

02-11-2018
Mathematics

contestada

n a classroom of 33 students, the ratio of boys to girls is 3 : 8. How many boys are in the class?

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

02-11-2018

3 boys + 8 girls = 11 students

3 boys/ 11 students = x boys /33 students

using cross products

3 * 33 = x*11

divide by 11

99/11 = x

x=9

There are 9 boys

Answer Link

Otras preguntas

the graph of f(x)=|x-h|+k contains the points (-6,-2) and (0,-2). the graph has a vertex at (h,-5). descrie how to find the value of h. then, explain how this v

21 shirts = $147 and 22 shirts =$154 and 23 shirts = $161 then how much does 30 shirts cost and how much does 9 shirts cost to

- Stonehenge, a circle of large carved stones in England, was built more than 1,000 years ago. The circle of stones has a diameter of 108 feet. What is the circ

Which atom has the strongest attraction for valence electrons a) Al b) Si c) P d) S

For this question, A new building is formed by a square prism with a square pyramid on top. The base has an edge length of 60 feet, and the height of the prism

Find the value of each variable and find the mesure of the labled angle. Question:is that the same thing or are they different things?

Simplify the following expression as much as possible. csc^2 x * sin^2([tex]\pi[/tex]/2 - x)/ cot^2 x

If you use the eight digits 1,2,3,4,5,6,7 and 9 each once and ONLY once to form 4 two-digit prime numbers. What will be the sum of the four prime numbers you cr

You buy hats for $20, and sell them for $5 each. What does the graph of the profits look like? A: A curve that goes up B: A line that goes down C: A curve that

If you use the eight digits 1,2,3,4,5,6,7 and 9 each once and ONLY once to form 4 two-digit prime numbers. What will be the sum of the four prime numbers you cr