01-06-2021
Mathematics

contestada

solve b=3/4 a
a+b=21

Respuesta :

01-06-2021

Answer:

20.25

Step-by-step explanation:

21-3/4=20.25

Answer Link

bhadelsimron19 bhadelsimron19

01-06-2021

Answer:

Step-by-step explanation:

a+b=21

a=21-b

b=3/4*a

b=3/4*(21-b)

b=3(21-b)/4

b=63-3b/4

4*b=63-3b

4b+3b=63

7b=63

b=63/7

b=9

Answer Link

Otras preguntas

Which layer has radio waves? Stratosphere Mesosphere Thermosphere Troposphere

Can the hypotenuse or a leg be a decimal? Why or why not?

Equivalent ratio to 12:6

Explain the differences between interpersonal and impersonal communication. Give an example of both types of communication in your explanation.

A water wheel rotates with a period of 2.26 s. If the water wheel has a radius of l.94 m, what is the velocity of a point on the edge of the wheel? A. 6.15 m/s

HELP PLEASE HURRY Match the following: 1. Picard & Walsh 2. Forbes and Maury 3. developed in 1922 4. locates survivors at sea 5. averages 30 miles wide 6. d

when we write a paragraph we should consider three(3) main elements which are

What is the carrying capacity (approx)?

Let X denote the total snowfall in the Twin Cities in December of a given year, measured in centimeters. The five-number summary for X is given by:Min. Q1

What is the number? Plz answer question.