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makvit [3.9K]
3 years ago
8

A certain drug is made from only two ingredients: compound a and compound

Mathematics
2 answers:
Sedaia [141]3 years ago
7 0
In total there will be 688 milliliters of compound used 258 from compound B and 430 milliliters of compound A so 688 in total.
Alina [70]3 years ago
6 0
I'm not sure, but I have a feeling this might be the answer.

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Please help me! I'm spending 50 points on this question and my last two questions never even got answered!
Verdich [7]

Answer:

C.

Step-by-step explanation:

Domain is only affected if certain values can make the result something that either doesn't make sense or is an error. In your situation, it wants you to find the domain of f/g, which is a fraction. The only rule we have for fractions regarding domain is that we simply can't divide by zero, to find the domain for any fraction with variables in the denominator, what I do is take the denominator, set it equal to 0, and solve for x.

So, if we're taking f/g, we have:

\frac{3x^2 + x^4 + 2}{4x - 3}

4x - 3 makes up our denominator, the bottom part of the fraction. So

4x - 3 = 0

4x = 3

x = 3/4

So the denominator is equal to zero when x is equal to 3/4. This would produce an error in any calculator because you can't divide by zero. The domain here is all real numbers except for 3/4.

(For future problems, the only thing to look out for is if your numerator, the top part of the fraction, factors into something that cancels with the bottom. In that case, it wouldn't affect domain because you aren't actually dividing by anything. For example:

\frac{x^2 - 4}{x-2}

If we factor the top, we see that x^2 - 4 = (x - 2)(x + 2). In this case, we have (x - 2) in both the top and bottom of the fraction, so it cancels out, and from there nothing else is restricting our domain. It would be all real numbers in a case like that.)

8 0
3 years ago
Solve x^2 = 196 and c^3 = 216.
Vika [28.1K]
The answer is: B. x=+_14; c=6

Hope this helps, happy holidays!! :p


8 0
3 years ago
Read 2 more answers
Sharon is five years older than Robert. Five years ago, Sharon was twice as old as Robert was then. How old is Robert?
Rama09 [41]

Answer:

15

Step-by-step explanation

8 0
3 years ago
What is the value of the expression 22 + 42 ÷ 22?<br><br> 3<br> 6<br> 8<br> 16
insens350 [35]

Answer:

Step-by-step explanation:

22 + 42 divided by 22

we always to division and multiplication before adding or subtracting, so

(42/22) + 22 = a very lonnggg number = 23.9090909091?????

are you sure the equation is correct?

i can help you

thank you

4 0
3 years ago
Read 2 more answers
Find the volume of a sphere with a radius of 2 meters. Round your answer to the nearest tenth.<br> m
miss Akunina [59]

Answer:

V≈33.51m³

Step-by-step explanation:

V=4

3πr3=4

3·π·23≈33.51032m³

6 0
3 years ago
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