live4dramaoy0yf9 live4dramaoy0yf9

01-01-2018
Mathematics

contestada

The value of y varies directly with x, and y = −10 when x = 40. Identify the value of y when x = −5.

Respuesta :

texaschic101 texaschic101

01-01-2018

-10/40 = y / -5
cross multiply
(40)(y) = (-5)(-10)
40y = 50
y = 50/40
y = 5/4 <===

Answer Link

Richinfo Richinfo

01-01-2018

the value of y when x is -5 is (-10 * -5) 40 = 1.25
y=1.25

Answer Link

Otras preguntas

how many 5/8 pound bags does it take to make 13 pounds of soil?

how to solve 0.01x+0.07y=0.22 and 0.03x-0.05y=0.14 by substitution

how to solve 0.01x+0.07y=0.22 and 0.03x-0.05y=0.14 by substitution

Which words in this sentence are common nouns? Aztec crops, such as corn and beans, were unknown in Europe. Choose all answers that are correct. A. Aztec B. c

What features of colonial politics in 18th century America contributed to the development of popular democracy, and what kept political life from being more tru

A mountain climber camped at an elevation of 18,492 feet. the following day the climber descended 2,516 feet to another campsite. Type a numerical expression

Which words in this sentence are common nouns? The American people listened to President Roosevelt's speech. Choose all answers that are correct. A. speech B.

what are three physical properties of aluminum foil

What numbers add up to -5 and multiply to get -90

What is 258/300 written as a decimal and a percent???