09-04-2015
Mathematics

Answered

the product of 4 and a number is 18 more than twice the number.

What is the number?

Answer :

09-04-2015

Product of 4 and a number = 4x

'is' is an equal sign

18 more than twice the number = 2x + 18

So we have:

4x = 2x + 18

Subtract 2x to both sides:

2x = 18

Divide 2 to both sides:

x = 9

Answer Link

Other Questions

If the Earth were compressed in such a way that its mass remained the same, but the distance around the equator were just one-half what it is now, what would b

A circuit contains a 12-volt battery and two 3-ohm bulbs in series. a. Calculate the total resistance of the circuit. b. Calculate the current in the circuit.

who was responsible for explaining the circulatory system.

A 2500‐kg vehicle traveling at 25 m/s can be stopped by gently applying the breaks for 20 seconds. What is the average force supplied by the breaks to stop the

what is 7/12 divided by 14/15

Differentiate: f(x) = 3x ln(6x) − 3x

How do you get the sum of the numbers 56 and 64 as the product of their greatest common factor and another sum

A 0.0010-kg pellet is fired at a speed of 50.0m/s at a motionless 0.35-kg piece of balsa wood. When the pellet hits the wood, it sticks in the wood and they s

what rights do people give up when they accept totalitarian rule

What volume of 1.5M NaOH is needed to provide 0.75 mol of NaOH? (a) 500L (b) 5.0 L (c) 500 mL (d) 0.75 L Can someone explain me how to make it step by step?