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Lorico [155]
2 years ago
5

A nurse is preparing to administer dextrose 5% water (D5W) 250 ml IV to infuse over 2 hr. The nurse should set the IV pump to de

liver how many ml/hr?
Mathematics
1 answer:
Molodets [167]2 years ago
4 0

Answer:

the answer is 125

Step-by-step explanation:

I divided 250 and 2

125***ANSWER

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If 2x2 + y2 = 17 then evaluate the second derivative of y with respect to x when x = 2 and y = 3. Round your answer to 2 decimal
Vera_Pavlovna [14]

Answer:

y''=-1.26

Step-by-step explanation:

We are given that 2x^2+y^2=17

We have evaluate the second order derivative of y w.r.t. x when x=2 and y=3.

Differentiate w.r.t x

Then , we get

4x+2yy'=0

2x+yy'=0

yy'=-2x

y'=-\frac{2x}{y}

Again differentiate w.r.t.x

Then , we get

2+(y')^2+yy''=0 (u\cdot v)'=u'v+v'u)

2+(y')^2+yy''=0

Using value of y'

yy''=-2-(-\frac{2x}{y})^2

y''=-\frac{2+(-\frac{2x}{y})^2}{y}

Substitute x=2 and y=3

Then, we get y''=-\frac{2+(\frac{4}{3})^2}{3}

y''=-\frac{18+16}{9\times 3}=-\frac{34}{27}

Hence,y''=-1.26

6 0
2 years ago
Adam plans to choose a video game from a section of the store where everything is 75 % off . He writes the expression d - 0.75d
masha68 [24]

Answer:

Adam is taking the original price minus 75% of the original price, while Rena is taking the original price times 25% which is what you would be paying. Both are correct but Renas is more efficient.

Step-by-step explanation:


3 0
1 year ago
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How can victoria justify step 3 of her work
Wittaler [7]
A little more info please?
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2 years ago
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If the instructions for a problem ask you to use the smallest possible domain to completely graph two periods of y = 5 + 3 cos 2
erica [24]
Hello,

y=5+3*cos (2(x-π/3))

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-1<=cos (2(x-π/3))<=1
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==>5-3<=5+3cos(2(x-π/3))<=5+3
==>2<= y<=8


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1 year ago
There are two jobs you can apply for. the first job pays $22,000 the first year, with raises of $4,000 each year thereafter. the
jasenka [17]
We let the number of years that the two jobs will have the same payment be denoted as t. Equating the wages of these two jobs after t - 1 years will give us an equation of,
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The value of t from the generated equation is 3. Therefore, after 3 years the jobs will be paying the same wages.
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