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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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What is the value of x when h(x) = −3?
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Answer:

○ -1

Step-by-step explanation:

Looking closely at this piecewise function, when the line on the left-hand side intersects at -3 = y, x is -1.

i hope this work for you

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Generate the first three terms of the following sequence 4n² - 2n + 3
Jet001 [13]

Answer:

<h3>n=1,</h3>

=5

<h3>n =2,</h3>

=15

<h3>n=3</h3>

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Step-by-step explanation:

n = 1 \\ 4 {n}^{2}  - 2n + 3 \\ 4 \times 1 \times 1 - 2 \times 1 + 3 \\ 4 - 2 + 3 \\ 2 + 3 \\  = 5

n = 2 \\ 4 {n}^{2}  - 2n + 3 \\ 4 \times 2 \times 2 - 2 \times 2 + 3 \\ 16 - 4 + 3 \\ 12 + 3 \\ =  15

n = 3 \\ 4 {n}^{2}  - 2n + 3 \\ 4 \times 3 \times 3 - 2 \times 3 + 3 \\ 36 - 6 + 3 \\36 - 3 \\  = 33

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2 years ago
How do you multiply 22.100 times 4.50
nirvana33 [79]

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Step-by-step explanation:

99.45 should be your answer

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2 years ago
What do you call two angles that have a sum of 90 degrees?
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The answer to this would be complementary angles.

8 0
3 years ago
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