lukehoy1223445 lukehoy1223445

24-06-2022
Mathematics

contestada

if x = 5 and y = 2 , work out the value of a) 3x+y b) 2x squared c) ( x-y) 2 squared out of the brackets

Respuesta :

xyz74321 xyz74321

24-06-2022

Answer:

a) 17

b) 50

c) 6

Step-by-step explanation:

a) 3x+y

3(5)+2

15+2

17

b) 2x²= 2×5²

2×25

50

c) (x-y)2= (5-2)2

(3)2

3×2

6

Answer Link

Otras preguntas

1/4 (3x-16)+1/4x=5 1/3

leah wrote two different fractions with the same denominator.both fractions were less than 1.can their sum equal 1? can their sum be greater than 1?explain why

Which of the following best describes the Battle of Britain?Which of the following best describes the Battle of Britain?

Republican Presidents in the 1920s generally favored a. business. b. labor. c. families. d. subversives.

4(k + 10) + k Simplify each expression using the properties of numbers.

(12y + 12) - 21y Simplify each expression using the properties of numbers.

Which describes all of the scientists in this unit? A. dedicated B. reckless C. secretive D. patriotic

with respect to Human Rights issues in Southeast Asia which statement is most accurate

You may lose your driver's license if you accumulate too many points on your driving record. a. TRUEB. FALSE

Which term best defines a saturated hydrocarbon with single bonds only? a. alkane b. isomer c. alkene d. alkyne