mbyrd6 mbyrd6
  • 01-06-2021
  • Mathematics
contestada

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

Respuesta :

xyz206 xyz206
  • 01-06-2021

Answer:

20.25

Step-by-step explanation:

21-3/4=20.25

Answer Link
bhadelsimron19
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

Consider this figure. 11 1/2 in 10 in 20 in​
Simplify square root of 250 times Square root of 2
3.6 − 5.1 + 0.6 13 + 12
Solve for x 4(x + 6) = 3x – 7
What is the temperature of 0.80 mol of a gas stored in a 275 ml cylinder at 175 kpa? use p v equals n r t. and r equals 8.314 startfraction l times kilopascals
What are the names of the cavities that drive blood out of the heart?
can anyone help me find the area of these two pls ?
What is the best way to show readers what the Titanic looked like? charts maps photographs timelines
How has this religious pluralism influenced the national identity of the United States? AThe government establishes religious schools for immigrants. B Most Ame
when compared to an extravert, what is an activity an introvert is likely to do? compared to extraverts, introverts are