Vanessahernandez763 Vanessahernandez763

13-11-2017
Mathematics

contestada

Fred wants to find 48+34 using compensation.He says you can take 2 from 34 and give it to 48 to make 50.What is the sum?Explain why compensation can work to find the sum.

Respuesta :

mathstudent55 mathstudent55

13-11-2017

It is easier to add 50 to a number than 48 because 50 has a zero in it which makes an addition simpler.

48 + 34 = borrow 2 from 34 and add to 48

= 50 + 32 50 + 32 is 82

= 82

Answer Link

Otras preguntas

Jenny had 50 g of canola oil and 63 g of olive oil stored at room temp (20*c). She wondered Does the type of cooking oil affect how much thermal energy it takes

During physical activity, your muscles are constantly working. The longer and the harder you work, your breathing rate will increase as well (you will breathe h

Why will air sink if it is colder than the air around it?

What were the key demands the USSR had for post WWII Europe and Germany, what were their reasons for these demands, AND were they in any way justified?

Which expression is equivalent to ^3 square root x^10

5 A line passes through the point (4, 1) and has a slope of - Write an equation in slope-intercept form for this line.

Given that f(x) = 4x - 7 and g(x) = 4x, find a simplified expression for f(f(x)).

nick started 60% of his team's football games this year he started in a total of 12 games

Name three of the largest lakes in North America?

which gas passes from the air sacs in the lungs into the blood capillaries?not sure if carbon dioxide or oxygen pls i need help fast !!