dreemasanders866 dreemasanders866

16-10-2018
Mathematics

contestada

What value of a makes the equation true?
1.7a + 0.3a = 4/5
btw 4/5 is a fraction

A. a= 2 4/5
B. a= 1 3/5
C. a= 2/5
D. a= 1 1/5

Respuesta :

jimthompson5910 jimthompson5910

16-10-2018

Answer: C) a = 2/5

1.7a+0.3a simplifies to 2.0a or just 2a. We have the equation 2a = 4/5. If we multiply each side by 1/2, then we can isolate 'a' fully to get

2a = 4/5

(1/2)*2a = (4/5)*(1/2)

(2/2)a = (4*1)/(5*2)

1a = 4/10

a = 2/5

Answer Link

Otras preguntas

Why was SEATO created after the Korean War To increase trade opportunities between Asia and the United States to protect East Asian countries from communism to

Compute how many 7-digit numbers can be made from the digits 1,2,3,4,5,6,7 if there is no repetition and the odd digits must appear in an unbroken sequence

Please help me with 1-4

Where were your keys? ______ A: They were'nt in my pocket; they were in the kitchen. B: They were in the table. C: They was in my room. D: They were under t

You have a loan outstanding. it requires making three annual payments of $1000 each at the end of the next three years. your bank has offered to allow you to sk

You borrow $199,000 to buy a house. the mortgage rate is 5.5 percent, compounded monthly. the loan period is 30 years, and payments are made monthly. if you pay

If you are working in a health care facility, and you notice a piece of equipment used to check vital signs is not working properly, what steps should you take?

"--a little city of forty thousand that has dozed sleepily for forty thousand years in southern Georgia occasionally stirring in its slumbers.." The figurativ

Concentrated sulfuric acid contains very little water, only 5.0% by mass. it has a density of 1.84g/ml. what is the molarity of this acid

Please help me with this math problem.