anna121williams anna121williams

24-09-2019
Mathematics

contestada

The difference of a number and 12 is 30

Respuesta :

24-09-2019

Answer:

42

Step-by-step explanation:

Difference is substitution, so a number (x) minus 12 equals 30

x-12=30

Add 12 to both sides

x=42

Answer Link

Otras preguntas

y^2-14y=0 solve the quadratic equation with steps please

Molly uses exactly 112 bags of fertilizer to fertilize 25% of the total number of acres in a field each year. It takes 9 1/3 bags to fertilize 1 acre of the fie

What does each letter in E=MC2 mean?

a light is traveling straight up out of the ocean, then moves out of the air. how do you expect the movement of the light wave to change?

fewer offSpring is a disadvantage of which form of reproduction?

Phong is rolling a number cube and flipping a coin .what is the probability that the cube will land on 4 and the coin will land heads up.

A microwave oven is on sale for 20% off the original price of $79.50. find the sale price.

A catering service offers 5 appetizers, 8 main courses, and 7 desserts. A banquet chairperson is to select 3 appetizers,4 main courses, and 4 desserts for a ba

I really just don´t know. Why did nationalist desires for independence destabilize Austria-Hungary in the period leading up to World War I? A. because the mili

I really just don´t know. Why did nationalist desires for independence destabilize Austria-Hungary in the period leading up to World War I? A. because the mili