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laila [671]
3 years ago
10

Determine the coefficients after both sides of the equation 1.2n\,-\,1.5\,=\,0.45n\,1.2n−1.5=0.45n are multiplied by 100.

Mathematics
1 answer:
STatiana [176]3 years ago
8 0

Answer:

Step-by-step explanation:

Answer: Get a brain

Step-by-step explanation:

Get a brain

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Lidocaine (2 grams) was prescribed in 500 mL of fluid at 2 mg/ minute, to be administered via an infusion pump. What is the flow
Luden [163]

9514 1404 393

Answer:

  1/2 mL/min

Step-by-step explanation:

  \dfrac{2\text{ mg}}{\text{min}}\div\left(\dfrac{2\text{ g}}{500\text{ mL}}\times\dfrac{1000\text{ mg}}{\text{g}}\right)=\dfrac{2\times500\text{ mL}}{2\times1000\text{ min}}=\boxed{\dfrac{1}{2}\text{ mL/min}}

__

<em>Additional comment</em>

The units analysis tells you how to work this problem. In order to get from mg/min to mL/min, you need to multiply by a factor with units mL/mg. Those units are the inverse of the concentration in mg/mL, which is found from g/mL.

3 0
3 years ago
9 - 6+ 2. Find his mistake and<br> correct it.
Naya [18.7K]
What....... 9-6 = 3 + 2 = 5...
6 0
3 years ago
Read 2 more answers
−k−(−8k+7) what is the answer, I want an explanation please
lord [1]

Answer:

Step-by-step explanation:

-k - ( -8k + 7)

negative sign is outside the parenthesis. so it should be multiplied with -8k and 7

-k - (-8k + 7) = -k - 8k * (-1) + 7*(-1)

                    = -1k + 8k - 7

Now -k and 8k are like terms. So, combine them.

                    = 7k - 7

4 0
3 years ago
Work with a partner. you buy a shirt that is on sale for 30% off. you pay $22.40. your friend wants to know the original price o
valina [46]
I think is would be $25.04. I'm sorry if i get this wrong. I am only a middle schooler. Sorry if this didn't help.<span />
4 0
3 years ago
What are the roots of this quadratic equation? 3x^2+10=4x
____ [38]

Step-by-step explanation:

The root of an equation is when x=0.

We need to rewrite this as 3x²-4x+10=0.

The quadratic formula is

(-b+or-sqrt(b²-4ac))/2a

so 4+or-sqrt(16-120)/2a

since the sqrt can no be negative this answer will have imaginary numbers.

(4+2i sqrt(26))6 and (4-2i sqrt(26))6

simplified is

x=(2+i sqrt(26))/3 and x=(2-i sqrt(26))/3

6 0
3 years ago
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