loren2007 loren2007

22-11-2019
Mathematics

contestada

tracy used mental math to find 7×38 as shown below. what is x? 7×38 = 7(40-2) = 7(x)- 7(2)

Respuesta :

cadeywillams cadeywillams

22-11-2019

Answer:

x=40

Step-by-step explanation:

subtract first then multiply

7*38=7x-14

move terms 266=7x-14

calculate-7x=-14-266

divide both sides by -7 (-7x=-280)

solution x=40

Answer Link

Otras preguntas

60% of 10 help me ///////////

In the mid 1800s, much of the South remained agricultural rather then moving toward manufacturing. Many farmers relied on cotton as their main crop. Which of th

the area of a circle 200 mm in diameter is approximately how many times greater than the area of circle 40 mm in diameter

the area of a circle 200 mm in diameter is approximately how many times greater than the area of circle 40 mm in diameter

If x-3 is 4 more than w, then x is how much more than w?

Double my tens digit to get my one digit. Doble me and i am less then 50

Two balls, each with a mass of 0.844 kg,exert a gravitational force of 8.45 × 10−11 Non each other.How far apart are the balls? The value of the universal gravi

Can somebody give me some information on Gilda Baron please? It is really important.

How many atoms lie in a straight line in the molecule 2-butyne, CH₃C≡CCH₃? a. 10 b. 8 c. 6 d. 4 e. 2

In the mid 1800s, much of the South remained agricultural rather then moving toward manufacturing. Many farmers relied on cotton as their main crop. Which of th