austint1414 austint1414

25-10-2018
Mathematics

contestada

What is the value of x in the equation 3x-4y=65, when y=4?
A. x = 13\frac{1}{4}
B. x = 21\frac{2}{3}
C. x = 23
D. x = 27

Respuesta :

yves379 yves379

25-10-2018

Answer:

The answer is x = 27

Step-by-step explanation:

3x-4y=65 y = 4

3x-(4x4)=65

3x-16=65

3x=65+16

3x=81

x=81/3

x=27

Answer Link

Otras preguntas

Which cloud service is best to store my data backup? how safe are data in these cloud services?

Why did the British abandon Boston in early 1776?

Write the expression in standard form. 6/(4-13i)

which ordered pair is a solution of the equation y=3x (-2,-9) (-8,-18) (-8,-3) (-10,-30) which ordered pair is a solution of the equation y=-9x + 4 (10,-86) (-4

"find the area of the figure. All intersecting sides meet at right angles. A) 1,440m²

Al and Bob are arguing about their algorithms. Al claims his O(nlogn)- time method is always faster than Bob's O(n^2 )- time method. To settle the issue, they

10,776.522 and 0.0000344988 and 4.999902x10^6 into three significant figures?

Why is sine and cosine defined at 90 degrees? It makes a 90-90-0 triangle which makes no sense tome.

As a project for a psychology course, a student correlated weight and intelligence scores for 250 students. The computed correlation coefficient was .00. What

"Please help! Using the table of range of values for each weight class, how can you express the Light weight class as an absolute-value? (Hint: Use w for the av