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Posted in Mathematics

What is one fifth of twelve thousands?


Two thousand four hundred

Related Questions

Posted in Mathematics

Round 89,891 to the nearest ten-thousands place.

The ten thousands digit is the 8 to the left edge.

You need to increase this digit because the thousands digit is greater than zero.


The answer is 90,000.

Posted in Mathematics

The population of a city increases by 4000 people each year. In 2025, the population is projected to be 450,000 people. What is an equation that gives the city's population p (in thousands of people) x years after 2010? A. p=4x+50 B. p-450=4(x-5) C. p-15=4(x-450) D. p=4x+15

If population in 2025 is 450 (in thousands) 
15 years prior (2010, it is 450 - 15(4) or 390 
now in years (p) after this date population increases 4 (in thousands) times the number of years. 

so formula would be p = 390 + 4p 

Posted in Mathematics

Six times the sum of a number and twelve is forty. Which equation represents this? 6N + 12N = 40 6N + 12 = 40 6(N + 12) = 40

Depends if number twelve is multiplied by six as well. In other words, it depends if the text means:
six times the sum of (a number and twelve) or six times the sum of a number and than plus 12 equal 40.

In first case answer is:
6(N + 12) = 40 and in second
in second:
6N + 12 = 40

Posted in Mathematics

What is one quarter divided by twelve

No it's 3 because that's how you do it

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Posted in Mathematics

Show twelve in four different ways. Use words, pictures, and numbers

1.Twelve 2.12 3.llllllllllll 4.1+1+1+1+1+1+1+1+1+1+1+1=12

Posted in Mathematics

The problem involves empirical probability. The table shows the breakdown of 95 thousand single parents on active duty in the U.S. military in a certain year. All numbers are in thousands and rounded to the nearest thousand. Use the data in the table to find the probability that a randomly selected single parent in the U.S. military is in the army.

Since it doesnt matter if parent is male or female, there are total of 38 000 single parents in the army

There are total of 95 000 single perents serving in military that means that probability that randomly selected single perent is in the army is:
38000/95000 = 38/95 = 0.4

If you want that in percentage just multiply it with 100%
in that case answer is 0.4*100 = 40%

Posted in Mathematics

This problem involves empirical probability. The table shows the breakdown of 97 thousand single parents on active duty in the U.S. military in a certain year. All numbers are in thousands and rounded to the nearest thousand. Use the data in the table to find the probability that a randomly selected single parent in the U.S. military is in the Army.

The table shows the breakdown of 97 thousand single parents on active duty in the ... of 97 thousand single parents on active duty in the U.S. military in a certain yearAll numbers are in thousands and rounded to the nearest thousandUse the data in the table to find the probability that a randomly selected single parent in ...

Posted in Mathematics

The yearly profit of a company in thousands of dollars can be modeled by P(t) = t4 − 5t2 + 4, where t is the number of years since 2000. Factor to find the years in which the profit was 0.

(t^2-1)(t^2-4)
so t=(-1, 1, -2, 2)
Time moves in one direction to our knowledge so disregard negative values.
depending on context, 1st and 2nd yr

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Posted in Mathematics

The yearly profit of a company in thousands of dollars can be modeled by P(t) = t^4 − 5t^2 + 4, where t is the number of years since 2000. Factor to find the years in which the profit was 0.

When the profit is 0; then P(t)=0
You have this equation:
t⁴-5t²+4=0

Then, you have to do the following change:
t²=z

you have this other equation:
z²-5t+4=0

Now, you can solve this square equation:
z=[5⁺₋√(25-16)]/2=(5⁺₋√9)/2=
you have two solutions for z.
z₁=(5-3)/2=1
z₂=(5+3)/2=4

Now; if z=1; then
t²=z
t²=1
t=⁺₋√1

We have two solutions:
t=-1 this is not a valid solution:
t=1;

Then in 2001  (2000+t=2000+1=2001) the profit was 0.

If z=4, then:
t²=z
t²=1
t=⁺₋√4

We have two solutions:
t=-2 this is not a valid solution:
t=2;

Then in 2002  (2000+t=2000+2=2002) the profit was 0.


Answer: the yeares in which the profict was 0, were 2001 and 2002.

Posted in Mathematics

Janice thinks that 20 hundredths is equivalent to 2 thousandths because 20 hundreds is equal to 2 thousands. Use words and a place value chart to correct Janice's error.

20 hundredths = 20/100 = 0,2
2 thousandths = 2/1000 = 0,002

20 hundreds = 20 * 100 = 2000
2 thousands = 2 * 1000 = 2000

20 hundreds is equal to 2 thousands, however 20 hundreths is not equal to 2 thousandths. 2 in the 0,2 is 100 times greater than 2 in 0,002.

Posted in Mathematics

Write or draw to explain two different ways to find the difference for twelve take away three

Hey there! Hello!

So, for this problem, there's one answer we can immediately figure out:

12-3=9

You can also make use of "counters," as shown in my first attachment. The large group has 9, while the small group has three. It represents a separation between the two amounts.

You can also make use of a number line. To subtract, start at 12, then go towards zero (or to the left) three times. This will give you your number. 

Hope this helped! Feel free to ask me any additional questions if you have any. :-)

Posted in Mathematics

The profit P (in thousands of dollars) for a company spending an amount s (in thousands of dollars on advertising is P= -(1/10)s^3 + 6s^2 + 400 Find the amount of money the company should spend on advertising in order to yield a maximum profit

Maximum means take the derivative so:
P=(−1/10)s^3+6s^2+400dP/ds=(−3/10)s^2+12s
Find the stationary point(s):
0=(−3/10)s^2+12s0=−3s^2+120s0=−3s(s−40)
So our stationary points are 0 and 40.
Going back to the original formula, zero advertising gives us a profit of $400K (read the instructions carefully to understand why it's 400,000) while $40K in advertising gives us a profit of -64,000 + 9600 + 400 = -$54,000K
So, surprisingly, the company should not spend anything on advertising...

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Posted in Mathematics

What is two hundred twelve divided by eighteen

212 ÷ 18 = 11.777777 
hehe yeah it doesn't fit in evenly

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What is the least common denominator of 3/4, 4/5, 2/3? A. 12 B. 15 C. 20 D. 60 Divide 6/13 by 6/12 . A. 1/12 B. 9/16 C. 12/13 D. 13/12 7/8 = ?/48 A. 6 B. 1 C. 42 D. 13 Which one of the following pairs of numbers contains like fractions? A. 5/4 and 4/5 B. 1/2 and 3/2 C. 6/7 and 60/70 D. 4/8 and 12/16 What is the reciprocal of 7/9? A. 9/7 B. 48/15 C. 14/18 D. 16/15 What is the difference between 126 1/4 and 78 2/3? A. 48 1/3 B. 57 7/12 C. 47 7/12 D. 58 5/12 7 1/5 – 6 2/5 = ? A. 4/5 B. 1/5 C. 13 3/5 D. 4/5 Write 10 5/12 as an equivalent improper fraction. A. 120/12 B. 125/12 C. 12/125 D. 10 12/5 Which of the following pairs of numbers contain like fractions? A. 5/6 and 10/12 B. 31/2 and 43/4 C. 3/2 and 2/3 D. 6/7 and 15/7 In a booster club, 1/8 of the 128 members are men. How many male members are in the club? A. 112 B. 1 C. 64 D. 16 9/11 = ?/22 A. 18 B. 9 C. 12 D. 4 15 ÷ 6 2/3 = ? A. 100 B. 2 3/4 C. 2 1/4 D. 100 1/4 Ralph spends 15 1/3 hours per month playing tennis. How many hours does he play tennis in a year? (There are twelve months in a year.) A. 164 1/3 B. 184 C. 164 D. 182 2/3 What is the reciprocal of 6/5? A. 12/10 B. 5/6 C. 1 D. 1/5 Simone has 5 employees in her flower shop. Each employee works 4/15 hours per day. How many hours, in total, do the 5 employees work per day? A. 30 2/3 B. 30 C. 28 D. 31 1/3 What is the fraction 18/24 reduced to its lowest terms? A. 18/24 B. 3/4 C. 24/18 D. 9/12 What is the product of 3 2/3 and 14 2/5? A. 42 4/5 B. 52 4/5 C. 54 D. 52 4/15 What is the sum of 2/5 and 2/4? A. 9/10 B. 8/20 C. 10/20 D. 6/7 Yolanda spends 8 2/3 hours per month playing soccer. Approximately how many hours does she play soccer in a year? A. 104 B. 416 C. 28 D. 197

Answer:

the anwsers are D A A C A C A B A D A C B B 1/1/3 B 43/1/5 A A

Step-by-step explanation:


Posted in Mathematics

What is another name for 23 ten thousands?

230,000 is the answer, basically you take ten thousand and multiply it by twenty-three

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Posted in Mathematics

During the period 1985–2012, the projected enrollment B (in thousands of students) in public schools and the projected enrollment R (in thousands of students) in private schools can be modeled by B = –18.53t2 + 975.8t + 48,140 and R = 80.8t + 8049, where t is the number of years since 1985.

The equation that models the difference in the projected enrollments for public schools and private schools as a function of the number of years since 1985 is B - R = (-18.53t^2 + 975.8t + 48140) - (80.8t + 8049) = -18.53t^2 + 975.8t + 48140 - 80.8t - 8049 = -18.53t^2 + 895t + 40091

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