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kow [346]
3 years ago
8

In a class of 60 students in an online test, where girls are twice the number of boys, mellisa ranked 27th from the top. If ther

e are 9 boys ahead of mellisa, how many girls are after there rank?
Mathematics
1 answer:
timofeeve [1]3 years ago
3 0

Answer:

17

Step-by-step explanation:

60 students in total, that means girls are 40 in number and boys are 20 in number (because girls are twice the number of boys).

If girls are 40 in total

Boys are 20

With 9 boys ahead of melissa, that means ( we will use 26 because she is in 27th)

26-9 = 17

This means 17 girls are ahead of melissa.

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Find the volume of the composite space figure to the nearest whole number.
Virty [35]
B. 180cm3

You have to find length, width, and height of both objects.

For the first one multiply:
3 x 8 x 5 = 120

Then multiply:
2 x 5 x 6 = 60

Add them together:

120 + 60 = 180cm3
8 0
3 years ago
The nurse is taking care of a patient who has an order for Levaquin (Levofloxacin) 605 mg orally q6h. The pharmacy sends Levofla
MariettaO [177]

The nurse will give 12.1 milliliters of Levofloxacin

<h3>What are metric units?</h3>

These are the units that are used to measure quantities, and they can be converted among one another

The given parameters are:

  • Size = 605 mg
  • Dose = 50mg/5 mL

The number of milliliters the nurse will give is calculated by dividing the size by the dose, as follows:

n = \frac{Size}{Dose}

So, we have:

n = \frac{605mg}{50mg/mL}

Cancel out the common units

n = \frac{605}{50/mL}

This gives

n = \frac{605}{50}mL

Divide 605 by 50

n = 12.1 mL

Hence, the nurse will give 12.1 milliliters of Levofloxacin

Read more about unit factors at:

brainly.com/question/15369782

5 0
2 years ago
What is the solution to the equation 2/3x+1=1/6x-7?
Alborosie
As it is, in accordance with the priorities of the operators (or the PEMDAS rule) the equation without parentheses mean
<span>(2/3)x+1=(1/6)x-7
I do not suppose you mean the above, since the solution is relatively trivial.

I suppose you actually mean
</span><span>2/(3x+1)=1/(6x-7)
in which case you would cross-multiply:
2(6x-7)=(3x-1)
and expand/distribute
12x-14=3x-1
isolate x and solve
12x-3x=-1+14
9x=13
x=13/9
If you mean the first form of equation without parentheses, my apologies.</span>
5 0
3 years ago
A winter jacket is marked down 75% from its original price. According to the new price tag, it now costs $52.50. What was the or
NemiM [27]
The correct answer is a)$210.00
4 0
3 years ago
Read 2 more answers
Plz help.....................
777dan777 [17]
Would be the last answer because (n-3)times (n-3) is n^2-6n+9

6 0
3 years ago
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