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

For what values of r does the function y= e^rx satisfy the differential equation 2y"+y'-y=0? ...?

7-3(4-5) TO SHORT LOL :)

A 13-oz iced tea at a certain restaurant has 78 calories. How many calories are there in a 21-oz iced tea?

Area of a triangle8ft 4 1/2ft

a golf ball travels a distance of 600 feet as measured along the ground and reaches an altitude of 200 feet. If the origin represents the tee and the ball tra

find the x-intercepts of the parabola with vertex(6,27) and y-intercept (0,-81). write answer in form (x1,y1)(x2,y2). if necessary ,round to the nearest hundred

the area of a rectangle is 256.5m2. if the length is 18m, what is the perimeter of the rectangle

william lloyd garrison harriet tubman and harriet beecher stowe are best known for their efforts to

Let f(x) = x2 - 81. Find f-1(x). Question 7 options: 1) ± √x+81 2) ± 9√x 3) 1 over x^2-81 4) x^2 over 81 ...?

Write a paragraph about treasures in heaven(is for Religion)