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enyata [817]
3 years ago
13

-1/4 multiplied by -4/3

Mathematics
1 answer:
NeTakaya3 years ago
3 0

Answer:

1/3

Step-by-step explanation:

you have to find a common denonmenator

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If A and B are nonzero integers with the same signs is the product negative or postitive
melisa1 [442]
Remember.

positive number x positive number = positive number
positive number x negative number = negative number
negative number x positive number = negative number
negative number x negative number = positive number

So if both numbers have the same sign, either both positive or both negative, then the product will be positive.
3 0
3 years ago
40% of b is 65 , what is b
BabaBlast [244]
40/100 of b is 65,so b is 162.5
4 0
4 years ago
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A 100 mL vial of 25% solution is available in stock. An order is recieved for 6 g to be added to 250 mL of fluid for an iv infus
Ne4ueva [31]

9514 1404 393

Answer:

  274 mL

Step-by-step explanation:

Often medical solutions expressed as a percentage are not really a percentage as such. A percentage is the ratio of two quantities with the same units.

Here, the context given by the problem suggests the "25%" solution is really (25 g)/(100 mL). That is, the units are grams and milliliters--different units.

With that assumption, we want to find the volume (v) of solution needed to deliver 6 g of medicine. An appropriate proportion* is ...

  v/(6 g) = (100 mL)/(25 g)

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So, the total volume of the infusion is ...

  250 mL +24 mL = 274 mL

_____

* The concentration is given in terms of g/mL, but we have used a proportion that is mL/g. The reason for that is we want the variable to be in the numerator of the ratio. The variable here represents volume, so we have written the proportion with volumes in the numerators.

Having the variable in the numerator means the equation can be solved in one step--by multiplying by its denominator.

3 0
4 years ago
10 feet wide by 30 feet long by 1/3 foot deep.what is the volume?
Ket [755]
----------------------------------------------
Formula
----------------------------------------------
Volume = Length x Width x Height

----------------------------------------------
Apply Formula
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Volume = 10 x 30 x 1/3 = 100 ft³

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Answer: 100 ft³
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4 0
3 years ago
Read 2 more answers
Solve for r <br> r/8 =7<br> r = ____
Nostrana [21]

Answer:

r=56

Step-by-step explanation:

Since, r divided by 8 gives 7, if you do the inverse function(which is basically like the reverse of the question)

you can multiply 8 and 7 to find the r.

So 8 times 7 gives 56.

And to check you can do

\frac{56}{8} which gives 7

You can tell me if my explanation is wrong. Thanks

4 0
3 years ago
Read 2 more answers
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