yaksh235 yaksh235

04-04-2019
Mathematics

contestada

the pair of variables x=5, y=7 is the solution to the equation ax–2y=1. Find the coefficient a.

Respuesta :

pr3tz81scut2 pr3tz81scut2

04-04-2019

Answer:

a=3

Step-by-step explanation:

This should be very simple, just substitute xy and y for 5 and 7 respectively, so 5a-2*7=1, or 5a-14=1, or 5a=15, if we divide both sides by 5, we get a=3

Answer Link

kennethmcclure71 kennethmcclure71

05-04-2019

Answer:

A=3 5a-14=1

Step-by-step explanation:

Add 14 to both sides then divide 5 and 15 to get 3

Answer Link

Otras preguntas

Anybody happen to know this? Help please

PLEASE HELP ASAPA water park keeps track of the number of times each visitor goes down water slides during their visit . The data shows the number of times 12 v

What can you infer based on this passage from “to build a fire”? A)the snow fell on the man and the fire B)the man must build a new fire C)the snow puts out

Which of these substances is a compound? a.) chlorine b.) nitrogen c.) uranium d.) ammonia

The nazis most likely used the death marches to

In triangles △ABC and △DEF, m∠A=m∠E, m∠C=m∠F, AC=6, EF=2, and AB=3.3, side DF is shorter than side BC by 3.2. Find the unknown sides of these triangles.

What is the quadratic in vertex form that has an a value of 8 and a vertex of (5, 6)? Answer choices in image,

Why did King James need to raise money?

PLEASE HELP ASAP!! The _____ occurred in 1864 when a group of u.s soldiers attacked a cheyenne settlement in colorado, killing over 100 native americans. A. bat

I need this diagram completed