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Question 1194547: A and B contribute 140000 and 180000 respectively in a business partnership of the profit A receive 20% as a manager and the rest is shared in the ratio of the capital what is the ratio of A total share of the profit to B
Click here to see answer by ikleyn(52781)

Question 1195585: Giving a test to a group of students, the grades and gender are summarized below
A B C Total
Male 8 2 5 15
Female 19 14 9 42
Total 27 16 14 57
If one student was chosen at random, determine the following probabilities. Write your answers as reduced fractions.
P
(Student was male) =

P
(Student was female) =

P
(Student was male and got an "A") =

P
(Student was female and got a "B") =

P
(Student got a "C") =

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Question 1195935: On a map, 1 inch equals 15 miles. How many miles apart are two towns that are 6.4 inches apart on the map?
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Question 1196119: The thickness of a team of printing paper is 5.2cm. It contains 500 sheets of paper.what is the average thickness of five sheet of paper?Express your answer in SI unit
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Question 1196507: When Ibuprofen is given for fever to children 6 months of age up to 2 years, the usual dose is 5 milligrams (mg) per kilogram (kg) of body weight when the fever is under 102.5 degrees Fahrenheit. How much medicine would be usual dose for a 18 month old weighing 23 pounds?
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Question 1196511: If 8x=3y=7z, find x:y:z
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Question 1196511: If 8x=3y=7z, find x:y:z
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Question 1196511: If 8x=3y=7z, find x:y:z
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Question 1196541: Consider the following data values for variables x and y:

The regression coefficients were calculated as b₀ = 13.223 and b₁ = -1.257. Select the correct statement.

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Question 1196543: Assessment 4

When testing for independence in a contingency table with 4 rows and 4 columns, there are _____________ degrees of freedom.
a.
6
b.
7
c.
9
d.
5
e.
4
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Question 1196549: A random sample of 8 applicants for a certain foreign job is selected. The number of years that these applicants have studied French in high school or university, X, and the mark which they obtained in a proficiency test in French, Y, are recorded. The following information is given: ∑X =32, ∑Y =528, ∑XY=2136, ∑X2 =130 and ∑Y2 =34872 Fitting a regression line, which of the following statements is incorrect?

a.
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Question 1196550: Consider the following data:
X 4 6 8 9 19
Y 12 16 25 30 39
Which of the following statements is correct?

a.
The slope is -3.24.
b.
The intercept is 3.54.
c.
When X is 10, then the estimated sales will be 25.83
d.
Y = 3.54-3.24X
e.
Coefficient of determination is 0.9849.
Click here to see answer by math_tutor2020(3817)

Question 1196542: Assessment 4

Consider the following data:
X 4 6 8 9 19
Y 12 16 25 30 39
Which of the following statements is correct?

a.
The slope is -3.24.
b.
The intercept is 3.54.
c.
When X is 10, then the estimated sales will be 25.83
d.
Y = 3.54-3.24X
e.
Coefficient of determination is 0.9849.
Click here to see answer by MathLover1(20849)

Question 1196980: There are 1506 enrolled at Green middle school if 85% of those students ride the bus how many do not ride the bus
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Question 1197149: Recipe has 2 cups of flour with 1.5 cups liquid. If I want to increase liquid to 2 cups, how much flour would I use?
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Question 1196915: Suppose a is to b as c is to d;that is, a/b =c/d
a) Show that b is to a as d is to c.
b) Show that a-b is to b as c-d is to d.
c) Show that a is to a+b as c is to c+d.
d) Show that a+b is to c+d as b is to d.
Click here to see answer by Theo(13342)

Question 1197634: (I DON'T KNOW IS IT CORRECT OR NOT,if you can help me,it will be thankfull.
1st question:
An airplane consumes 140L of gasoline in flying 680km.Under similar conditions,how far can it fly on 240L?
Methods I tried :140L/680km=240L/? km ans:1166km
2nd question:
When a bullet
3rd question:
An electric current
4th question:
The velocity v of a
5th question:
The time t required
thanks for answering.
Click here to see answer by josgarithmetic(39617)

Question 1197643: An electric current of 0.772mA passes into two wires in which it is divided into currents in the ratio of 2.83 to 1.09. What are the currents in the two wires?
I tried the method like this :0.772/e=2.83/1.09
Click here to see answer by ewatrrr(24785)

Question 1197644: The velocity v of a pulse travelling in a string varies directly as the square root of the tension T in the string.If the velocity of a pulse in a string is 150m/s when the tension is 90.0N,find the velocity when the tension is 135N.
I tried the method :v=k.square root T. 150=k. square root 90 k=15.8 when the tension is 90.0N,v=(15.8)square root 135
Click here to see answer by ewatrrr(24785)

Question 1197642: When a bullet is fired from a loosely held rifle,the ratio of the mass of the bullet to that of the rifle equals the negative of the reciprocal of the ratio of the velocity of the bullet to that of the rifle.If a 3.0kg rifle fires a 5.0g bullet and the velocity of the bullet is 300m/s,what is the recoil velocity of the rifle?
Thank you for answer.
Click here to see answer by ikleyn(52781)

Question 1197708: A bank loan of $8000 is repaid in annual payments of $1000 plus 10% interest on the unpaid balance. What is the total amount of interest paid?
Thank you for asking
Click here to see answer by Theo(13342)

Question 1197723: I have a hard time with fractions and word problem. for example how can I set up this word problem?
the panthers won 30 games out of 80 games. how many will they win in a normal 90 game season?
Click here to see answer by Shin123(626)

Question 1197929: An island has 12 fur seal rookeries. To estimate the fur seal pup population in rookery A 4095 fur seal pups were tagged in early August. In late August a sample of 500 pups were observed, and 155 of these were found to have been previously tagged. Use a proportion to estimate the total number of fur seal pups in rookery A.
The estimated number of fur seal pups in
Rookery A.
Round to the nearest whole number.
Click here to see answer by ikleyn(52781)

Question 1197958: Angela is training for a marathon and completes her long mileage runs for training on the weekend. Over the last 3 weekends she ran 15 miles in 2 hours; 18 miles in 2 hours, 33 minutes; and 22 miles in 3 hours, 7 minutes. Determine if her weekend training runs showcase a proportional relationship.

Click here to see answer by Theo(13342)

Question 1197962: My recipe calls for 4 cups flour and 1.5 cups of shortening, I want to use 2 cups of shortening. How much flour do I need?
Click here to see answer by josgarithmetic(39617)

Question 1198027: If Joe can paint a house in 6 hours and Sam can paint
the same house in 8 hours how long does it take
them to do in working together
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Question 1198027: If Joe can paint a house in 6 hours and Sam can paint
the same house in 8 hours how long does it take
them to do in working together
Click here to see answer by Alan3354(69443)

Question 1198027: If Joe can paint a house in 6 hours and Sam can paint
the same house in 8 hours how long does it take
them to do in working together
Click here to see answer by greenestamps(13200)

Question 1198272: In july a paleontologist found 368 fossils at a dig. in August she found 14 fossils per day Is the number of fossils the paleontologist found in August proportional to the number of days she spent looking for fossils that month?
Click here to see answer by greenestamps(13200)

Question 1198383: Calorie is the approximate amount of energy needed to raise the temperature of 1mL of water by 1°C. It is important for the maintenance of body energy. A rough estimate of calories C needed by an animal each day is calculated using the formula c=72m^3/4, where m is the animal's mass in kilograms. Calculate the amount of calories needed by a 25 kg dog.
Click here to see answer by ikleyn(52781)

Question 1198793: Given that T varies directly as S, and T = 36 when S = 9, find T when S = 2.
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Question 1198792: Find the constant of proportionality when T varies inversely as S, and T = 0.2 when
S = 8. Then write the specific inverse variation equation that relates T and S.
Click here to see answer by mccravyedwin(407)

Question 1198795: The pressure (P) on a diver in the water varies directly as the depth (d). If the pressure is 2.25 psi when the depth is 5 ft, what is the pressure when the depth is 12 ft?
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