MATHEMATICS HIGH SCHOOL

In the​ 2009-2010 school year in country​ a, there were 117 comma 000117,000 foreign students from countryb. this number is 2424​% more than the number of students from country
c. how many foreign students were from country​ c?

Answers

Answer 1
Answer:

I can't help you, but I can provide an example related to this question.

In the​ 2009-2010 school year in country​ A, there were 116,000 foreign students from country B.In the 2009-2010 school year in country A, there were 116,000 foreign students from country B. This number is 22% more than the number of students from country C. How many foreign students were from country C?

If x represents the number of students from country C.

then 122% of x = 116,000

122/100 * x = 116000

Transposing the formula for x;

therefore x = 116000 * 100/122 = 95,082 students

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Is hand lotion homogeneous or heterogeneous

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Homogeneous; its all the same mixture
Remember: homo- meaning same
hetero- meaning different
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Is log2+log18 equal to log30+log6

Answers

No,\ is's\ not\ because:\n\nlog2+log18=log(2\cdot18)=log36\n\nand\n\nlog30+log6=log(30\cdot6)=log180\n\nlog36\neq log180
No it's not log2+log18= 1.55, while log30+log6=2.25

How to solve 5(x-3)+2=7?step by step please help me math tutor. Right answer only.

Answers

5(x-3)+2=7

(5*x)+(5*-3)+2=7

5x-15+2=7

5x-13=7

5x-13+13=7+13

5x=20

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Jana is prescribed 250 mg of medication. Seventy-five percent of the medication remains in her body after each hour, h, according to the equation mc019-1.jpg. Six hours later, Allison is prescribed the same medication. The medication remains in Allison’s body according to the equation mc019-2.jpg. At any time after she has taken the medication, Allison has how many times more milligrams of medication in her body?I'll edit the question in just a minute so the formulas are in it

Answers

Jana was prescribed medication. m = 250(0.75)^h

6 hours after Jana took her medication, Allison was prescribed the same.
m=250(0.75)^(h-6)

At any time after she has taken the medication, Allison has how many times more milligrams of medication in her body?

Same with Jana, Allison's medication content in her body will decrease by 25% after each hour. 

Let h = 6

Jana: m = 250(0.75)^6 = 250(0.178) = 44.50
Allison: m = 250(0.75)^6-6 = 250(1) = 250

250 - 44.50 = 205.50

On hour 6, Allison will have 205.5 mg more of the medicine than Jana.

How to write 6/9 two different ways

Answers

6 ÷ 9 or 2/3 are two different ways to write it

A rancher needs to enclose two adjacent rectangular​ corrals, one for cattle and one for sheep. If the river forms one side of the corrals and 390 yd of fencing is​ available, find the largest total area that can be enclosed.

Answers

Width  = 55 yards

Length   =  165 yards

Maximized area   =  9075 sq yd

Step-by-step explanation:

Here, the total length of fencing available  =  390 yd

Let L = length of the side parallel to river

W = width of other 3 sides.

So, total fencing L  +  3 W =  390 yd

or, L  = 390 - 3 W

Now, Area of the field  = L x W

= (390 - 3 w) (W)

or, A  =  -3 W² + 330 W

The maximum value of above function is  at W = ((-b)/(2a) ) = (-330)/(2* (-3)) = 55

So, W = 55 yards

Now, L = (390 - 3 (55) ) =  165 yards

Now, maximized area  = L x W

= 55 x 165  = 9075 sq yds
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