sun0077 sun0077

25-11-2020
Mathematics

contestada

Diberi x = 2 dan y = -7. Cari nilai bagi setiap ungkapan berikut.
(a) 2x - y
(b) x - 4y + 8

Respuesta :

25-11-2020

(a) 2x - y

Answer :
2(2) - (-7)
= 11

(b) x - 4y + 8

Answer :
2 - 4(-7) + 8
= 38

Answer Link

Otras preguntas

Tahmar knows the formula for simple interest is I = Prt, where I represents the simple interest on an amount of money, P, for t years at r rate. She transforms

7 Which phrase describes the molecular structure and properties of two solid forms of carbon, diamond and graphite?(1) the same molecular structures and the sam

Which leader started the Protestant Reformation by speaking out against papal abuses and the sale of indulgences in the Ninety-five Theses? (1) John Calvin (3)

Why did Alexander the Great pour a helmet full of precious water into the desert sand even though he was thirsty?

a post on a classifieds website Craigslist advertised a mountain bike selling for $1,164 less than it's retail price. if this is a 40% savings, what is the ret

Who invented the telephone?

Which unit can be used to express the concentration of a solution? (1) L/s (3) ppm (2) J/g (4) kPa

Haiti and the Dominican Republic share the island of __________. A. Antilles B. Hispaniola C. Burma D. Cayman

How did John Brown’s raid impact the national issue of slavery

the table shows the cost of a large cheese pizza with toppings at a local pizzeria. Graph the data, and find the slope and y-intercept from the graph. The write