amyajohnson amyajohnson

15-03-2018
Mathematics

contestada

Steven has 14 steel balls of equal weight. If he puts 9 of them in one pan of a pan balance and the rest along with a weight of 20 grams in the other pan, the pans balance each other. What is the weight of one steel ball?

Respuesta :

musiclover10045 musiclover10045

15-03-2018

9x = 5x+20

4x = 20

x = 20/4 = 5

each one weighs 5 grams

Answer Link

isaura17 isaura17

27-02-2019

Answer:

Step-by-step explanation:

Answer Link

Otras preguntas

what the word affects means

Explain how the way Charlie’s character changes makes the plot go in a circle. Think about where Charlie starts and where he ends up.

x-6 translate as "a number subracted from 6" True or False

What are the methods used to conserve biodiversity

Write a rule for the linear function in the graph

How does the resistance of the following change with rhe rise in temperature ? pure metals and German silver and carbon

In a right triangle, the lengths of the segments connecting points of trisection of the hypotenuse to the vertex of the right triangle are 7 and 9. How long is

which two forms of rhetoric are used in the example

What is the length of AC¯¯¯¯¯ ?

Write the quadratic function c(x)=x2-x-5 3/4 in vertex form.