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FromTheMoon [43]
3 years ago
9

Best explained and correct answer gets brainliest :)

Mathematics
1 answer:
svp [43]3 years ago
6 0
If you look at the question closely its just asking for the sides added the answer is B  30 + 15 =45    30+18=48
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4.50 to a percent form?
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4.50 is 450 percent
because it is greater than 1, we know it is more than 100%
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Please help my finale math exam is do to night
Misha Larkins [42]

Answer:

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here are four outcomes that sum to seven out of 24 possible outcomes. Therefore the probability of values of four sided die and six sided

Step-by-step explanation:

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3 years ago
phenytoin comes from the pharmacy as an IV solution of 1000mg/250ml. a loading dose of 700 mg has been ordered. how many millime
Vedmedyk [2.9K]

We can write the following proportion between the milligram and milliliters:

1000\div 250 = 700\div x

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x=\dfrac{250\cdot 700}{1000}=175

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3 years ago
FIRST ANSWER GETS BRAINLIEST!!!
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Define two variables. Write a system of equations, and then solve.
abruzzese [7]

Answer:

Step-by-step explanation:

Assume that the amount needed from the 5% acid is x and that the amount needed from the 6.5% acid is y.

We are given that:

The volume of the final solution is 200 ml

This means that:

x + y = 200

This can be rewritten as:

x = 200 - y .......> equation I

We are also given that:

The concentration of the final solution is 6%

This means that:

5%x + 6.5%y = 6% (x+y)

This can be rewritten as:

0.05 x + 0.065 y = 0.06 (x+y) ............> equation II

Substitute with equation I in equation II and solve for y as follows:

0.05 x + 0.065 y = 0.06 (x+y)

0.05 (200-y) + 0.065 y = 0.06 (200-y+y)

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y = 133.3334 ml

Substitute with the y in equation I to get the x as follows:

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x = 200 - 133.3334

x = 66.6667 ml

Based on the above calculations:

The amount required from the 5% acid = x = 66.6667 ml

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7 0
3 years ago
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