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

Which of the following describes the Palestinian Liberation Organization? A Zionist group known for acts of terrorism A division of the UN devoted to preventi

What is pie and how is it used in mathematics

Casey is making a flower arrangement with roses(r) and carnations(c). The cost of each rose is $0.50 and the cost of each carnation is $0.10. The arrangement h

One day 22% of the 900 students are absent. How many students were absent?

Maria is concerned because she has been exposed to a small amount of radiation during an X-ray. What is her doctor most likely to tell her? Radiation from X-ray

Write the sum using summation notation, assuming the suggested pattern continues. 9 - 18 + 36 - 72 + ... (Please not that it is asking for SUMMATION NOTATION, s

A triangle has vertices A(-1,3,4) , B(3,-1,1,) and C(5,1,1). Prove that it is right-angled? And how do you determine the fourth vertex needed to complete a tria

What technology, developed since 1975, has most resulted in the “shrinking globe”? A. laser printing B. Internet communication C. cable television D. co

Which group of people controlled the Jewish quarter before 1967?

18. Identify the choice that contains no errors in punctuation or use of italics. • Catherine asked, "Where are you going"? • "We're going to volunteer at the a