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quester [9]
3 years ago
6

Evaluate f (2) = 3(2) for x = -1. f(-1)

Mathematics
1 answer:
Nostrana [21]3 years ago
8 0

Answer:

the answer is

\frac{3}{2}

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A chemist is using 362 milliliters of a solution of acid and water. If 12.1% of the solution is acid, how many milliliters of ac
PSYCHO15rus [73]

Answer:

The answer to your question is 43.8 mL of acid.

Step-by-step explanation:

Data

Total volume = 362 ml

12.1 % is acid

The Volume of acid = ?

Process

1.- Use the rule of three and cross multiplication to solve this problem.

               362 ml ------------------- 100%

                    x       -------------------  12.1 %

                    x = (12.1 x 362) / 100

                    x = 4380.2 / 100

                    x = 43.802 ml

2.- Round your answer to the nearest tenth.

                        43.802   only consider the first decimal

                        43.8 mL

3.- Conclusion

    A 12.1% solution of acid has 43.8 mL of acid.

6 0
3 years ago
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Solve the equation -15=a/5 <br> A=-3<br> A=-20<br> A=-10<br> A=-75
agasfer [191]

To solve any equation, you do whatever you need to do 
to wind up with the unknown quantity all alone on one side.
BUT ... whatever you do to one side of the equation, you must
also do to the other side.

Here, we have the
he original equation:           -15  =  a/5

Multiply each side by 5 :     -75  =  a

and bada-bing, THERE's the solution !
4 0
3 years ago
A recipe calls for 3 cups of sugar for every 4 cups of flour, resulting in ___ cup of sugar for every cup of flour?
kati45 [8]

Answer:

12 cups of sugar

Step-by-step explanation:

i hope it right

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What is the best estimate for 59.87 - 42.1? A. 18 B. 22 C. 25 D. 30
Sedaia [141]

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What is the opposite of squaring a number
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Answer:

The opposite of squaring a number is it square root it.

Step-by-step explanation:

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