Answer:
20 grams
Step-by-step explanation:
Let g represent the grams of solution that were replaced. Then the amount of alcohol in the mix is ...
16%·(120 -g) +100%·g = 30%·120
19.2 +0.84g = 36.0 . . . . simplify
0.84g = 16.8 . . . . . . . . . .subtract 19.2
g = 20 . . . . . . . . . . . . . . .divide by 0.84
20 grams of solution were taken out and replaced.
Answer:
D. quadrant III
Step-by-step explanation:
The answer is 10 square inches
Answer:
Hi! I believe the answer is B. 3
Step-by-step explanation:
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Hope this helps!!
- Brooklynn Deka
The graph of the quadratic function f(x)=x² - 5x + 12 is a parabola which opens up.
<h3>What is an
equation?</h3>
An equation is an expression that shows the relationship between two or more numbers and variables.
The standard form of a quadratic equation is:
y = ax² + bx + c
The graph of a quadratic equation is a parabola.
The graph of the quadratic function f(x)=x² - 5x + 12 is a parabola which opens up.
Find out more on equation at: brainly.com/question/2972832
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