sawarian24 sawarian24

03-09-2020
Mathematics

contestada

What is the value of y in the equation 6.4x + 2.8y = 44.4, when x = 3?

Respuesta :

jimrgrant1 jimrgrant1

03-09-2020

Answer:

y = 9

Step-by-step explanation:

Given

6.4x + 2.8y = 44.4 ← substitute x = 3 into the expression

6.4(3) + 2.8y = 44.4

19.2 + 2.8y = 44.4 ( subtract 19.2 from both sides )

2.8y = 25.2 ( divide both sides by 2.8 )

y = 9

Answer Link

Otras preguntas

Which of the following is x⁴ + y⁴ identically equal to? (A) (x² + y²)(x + y)(x - y) (B) (x² + xy + y²)(x² - xy + y²) (C) (x² + √2xy + y²)(x² - √2xy + y²) (D) (x

why a flat surface of a rectangular prism called faces?

What is adaptation in animals and plants

at what point do scientists classify an area's weather as its climate? 1 year ,5 years ,15 years or 30 years

Adam tried to compute the average of his 7 test scores. He mistakenly divided the correct sum of all of his test scores by 6, which yielded 84. What is Adam’s c

How do you pronounce the letter "X" in Spanish?

WHICH EXPRESSION IS EQUIVALENT TO SIN 22 COS 18 + COS 22 SIN 18?

Randal answers 96 out of 120 questions correctly on a science exam. What percent of the questions did Randal answer correctly

why a flat surface of a rectangular prism called faces?

how do you model the square root of 16