Ask question

Ask question

All categories

3 years ago

10

How much pure acid do you mix with 2L of 40% acid to get 70% acid

2 answers:

iris [78.8K]3 years ago

8 0

(2*40%+x*10<span>0%)/(2+x) = 70%; calculate x !</span>

icang [17]3 years ago

8 0

Answer:

2*40 + x*100 = (2+x)*70

Step-by-step explanation:

You might be interested in

WILL MARK BRAINLIEST A sample of 64 was taken from a population, with the mean of the sample being 119 and the standard deviatio

Anettt [7]

Answer:

B. 117, 121

Step-by-step explanation:

6 0

3 years ago

Create an expression equivalent to 3 (4x -2) -5x+10 using the least number of terms. please show your work.

marusya05 [52]

Answer:

7x+4

Step-by-step explanation:

Distribute:

=(3)(4x)+(3)(−2)+−5x+10

=12x+−6+−5x+10

Combine Like Terms:

=12x+−6+−5x+10

=(12x+−5x)+(−6+10)

=7x+4

7 0

2 years ago

Answer the question on the image <br><br><br><br> ty :P

sattari [20]

Answer : 7 or 7/1

step by step explanation:

6 0

2 years ago

What is 9/8 in simplest from

Alchen [17]

9/8 is in the simplest form

3 0

3 years ago

Suppose a railroad rail is 4 kilometers and it expands on a hot day by 15 centimeters in length. Approximately how many meters w

dsp73

Ddjdudjdjdjddjdjdjdc

3 0

2 years ago