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Finger [1]
3 years ago
12

A laboratory technician needs to make a ​81-liter batch of a ​20% acid solution. How can the laboratory technician combine a bat

ch of an acid solution that is pure acid with another that is ​10% to get the desired​ concentration?
Mathematics
1 answer:
Ludmilka [50]3 years ago
5 0
Honedtlrfjdjdjdjfjfjjfjfjfjjf
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there are 3 packages of pasta and one-third of a fourth package of pasta. write a mixed number that represents the amount of pac
mash [69]
A mixed number is 1 3/4.
7 0
3 years ago
What is the surface area of this net?
balandron [24]

Answer:

It is 27.4

Step-by-step explanation:

First you need to find the area of the three rectangle.

Area=base*high

You do 4*2 for about 3 times

Which is 8 for 4*2

Then you multiply it 3 more time and get 24.

After that you add 24+1.7+1.7 and get 27.4

4 0
3 years ago
The length of the diagonal of a rectangle is 181 inches.
egoroff_w [7]

Answer:

181 is the thing is what it says it is just find the volum

Step-by-step explanation:

5 0
4 years ago
Harper has $15.00 to spend at the grocery store. she is going to buy bags of fruit that cost $4.75 each and one box of crackers
Butoxors [25]
She can buy 2 bags of fruit (adds up to 9.50) and of course the box of crackers that is 3.5, in total it adds to $13. So the answer is she can buy 2 bags of fruit.

6 0
3 years ago
X2+5x−7 when x=2 can you help me i am wayy back of the class and next month grades close
spin [16.1K]

Answer:

7

Step-by-step explanation:

x2 + 5x - 7

sub x = 2 in

(2 X 2) + (5 X 2) - 7

4 + 10 - 7

= 7

4 0
3 years ago
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