3 years ago

Tell whether each statement about the expression 5y + 9 is True or False

Mathematics

1 answer:

Anvisha [2.4K]3 years ago

5 0

Answer:

1st one is false

the second one is true i think ;-;

3rd is true

4th is false

5th is also false i think

Step-by-step explanation:

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How to find the zeros of f(x)=5(2x-5)(5x+4)

Elenna [48]

If xy=0 we assume x and y equal 0

so

the zeros are wehre f(x)=0
0=5(2x-5)(5x+4)
set each to zero
5 is not equal 0 so we don't do that

0=2x-5
5=2x
5/2=x

0=5x+4
-4=5x
-4/5=x

zeroes at x=5/2 and -4/5

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FromTheMoon [43]

Answer:

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Step-by-step explanation:

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A pharmacist added 50 g of drug to make a total of 200 mL of solution. What is the percentage of drug in the resultant solution?

Bad White [126]

Answer: 25%

Step-by-step explanation:

Given : A pharmacist added 50 g of drug to make a total of 200 mL of solution.

Here, Resultant solution = 200 mL

Amount of drug = 50 g

We know that 1 gram = 1 ml

So, we can say the amount of drug = 50 ml

Now, the percentage of drug in the resultant solution:-

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