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

what is the least common denominator of the rational expressions below 2/x^2-7/4x^2+12x A. 4x^3(x+3) B. 4x^2(x+3) C. x^2(x+3) D. x^3(x+3)

What was the effect of the encomienda system on Native Americans living in Spanish colonies?

Can someone please help me???

Point (w,z) is transformed by the rule (w+5,x) what type of transformation occurred?

solve 9/7 ÷ ( -7/9). does it make a difference when it's negative?

What was the effect of the encomienda system on Native Americans living in Spanish colonies?

Find x to find the measure of the remote interior angle. please help and thank you.

A person can read 24 pages of a book inof an hour. What is this person's reading rate in pages per hour?

Louisiana Purchase? Help me please

who is the first woman President in a world?