# Posts by Jackie

Total # Posts: 1,001

math
20/135

Pre-Calc
The wattage rating of an appliance W varies jointly as the square of the current I and the resistance R. If the wattage is 1.5 watts when the current is 0.1 ampere and the resistance is 150 ohms, find the wattage when the current is 0.3 ampere and the resistance is 50 ohms.

Pre-Calc
Can y'all help: The number of pounds of apples a cannery can produce and the processing cost are P(h) = 375h and C(n) = 0.35n + 1000 where P(h) is the number of pounds of apples that can be processed in h hours and C(n) is the cost of processing n pounds of apples. Use ...

Physics
A watermelon cannon fires a watermelon vertically up into the air at a velocity of +9.5m/s, starting from an initial position of 1.2m above the ground. When the watermelon reaches the peak of its flight, what is the velocity, the acceleration, the elapsed time, and the height ...

Physics
1) Seagulls are often observed dropping clams and other shellfish from a height to the rocks below, as a mean of opening the shells. If a seagull drops a shell from rest at a height of 14 m, how fast is the shell moving when it hits the rocks?

Insurance
Of 500 employees of a firm 280 have a life insurance policy ,400 have a medical insurance cover and 200 participate in both programs. 1)what is the probability that a randomly selected employee will be a participant in at least one of the two programs ? 2)Determine the ...

Chemistry
The quantity of antimony in a sample can be determined by an oxidation-reduction titration with an oxidizing agent. A 7.79-g sample of stibnite, an ore of antimony, is dissolved in hot, concentrated HCl(aq) and passed over a reducing agent so that all the antimony is in the ...

math
stfu ms sue

Math
11300+1290n

Math
5x - 4y =-3 Y = -3x + 5 Solve for x and y How do we solve for x and y when the formats of the equations are different. That's we here I'm lost. When I try to get the answer I get confused

Math
Thanks. I know but they don't give me a rate of exchange. That's why I'm having a difficult time.

Math

Chemistry
A sample of metal has a mass of 24.28g, and a volume of 5.53 mL. What is the density of this metal

Chemistry
Acetone is a common solvent and has a density of 0.7899 g/mL. What volume of acetone has a mass of 28.7g

Geometry
idk

American Government
Name the two factors that give federal courts jurisdiction over a case. Give an example of each.

financial analysis
Coupon rate 12% Coupons per year 2 years to maturity 15 Price \$1,153.72 Face Value \$1,000.0 Tax Rate 40% how do you calculate the market interest rate

Math
New Hampshire is giving payday lenders the gong as it rings in the new year. A law that takes effect today caps the interest rate on small loans at 36 percent a year, which the industry has said will put it out of business. 1.6. EXERCISES 15 Payday lenders typically charge \$20...

15.Gravitational force is felt as the Earth pulls the train downward. Electric current is present in coils that produce an electromagnetic field which repels the superconducting diamagnetic material with an equal force going upwards.

No subject
I weighed in at 96.3 but wonder what I weigh in pounds

maths
320*6=1920 1920/8=240cm^3

maths
It sounds like the plots are proportional to each other. Since the length of the plot is 4 times larger, that would mean the amount of rice seed you need would also be 4 times as large. So 1kg*4=.........

physics!!!!
There is a two member dog sled team pulling with all their strength in the middle of a snow storm. Dog A is pulling with a force of 178 N at 15ð‘œ and Dog B is pulling with 225 N at âˆ’10ð‘œ . The sled and gear weigh 980 ...

ttu
534

history
their not all correct but i will take a 93%

Math
jim leary insured his bookstore with a few

algrebra
I can't figure this one out. Help!! what is 7-6x=9 thanks!

Algebra
points (0,500) and (1,680) The EXPONENTIAL function is y(t)=___?____

Physics
so im supposed to divide 4 by 2.9?

Physics
A car accelerates from rest at 2.9 m/s^2. How much time does it need to attain a speed of 4 m/s? Answer in units of s. are you supposed to divide 2.9 by 4?

M.A.T.H.
yes it does

Physics
but arent you supposed to look for the speed?

Physics
A rocket initially at rest accelerates at a rate of 80 m/s^2 for 0.74 min. What is its speed at the end of this time? Answer in units of m/s. Plz help and explain

Algebra
90

math
when are annuity due payments made

math
ted Williams made deposits of 500.00 at the end of each year for eight years. the rat is 8% compounded annually. calculate the value of ted's annuity at the end of eight years

algebra
10 quarters 10 dimes 10 nicklels

yasss sid you you we 100%

Chemistry
C5H12 + O2--- CO2 + H2O give that the equation if I use 85 grams of O2 and excess C5H12 how many grams of CO2 are produced

Chemistry
When a balloon filled with 1.249 g of hydrogen explodes, the hydrogen reacts with 9.99 g of oxygen to form water vapor. Assuming water vapor is the only product formed, how much water vapor is produced?

Chemistry
If 30.47 kilograms of hydrogen are produced, then how many kilograms of zinc have been consumed?

Chemistry
Write a balanced equation from the following statement: Zinc metal and sulfuric acid are combined to form hydrogen gas and zinc sulfate (Enter the formulas in the order they are listed. Do not leave a space between the coefficient and the formula)

math
At a certain time of day, a pole, 5 meters tall, casts a 3 meter shadow. The shadow of the building beside the pole is 18 meters long. How tall is the building? How long will the shadow of a 45 meter building be?

Art
Lilly live is awsome she got me a 3/3 in CA

meek is so correct thanks meek :)

math
Damon, I couldn't have said it better myself!!

Language Arts
thank you

Art
not 100 75%

Java Basic
If students is female add 1 to counter, else male add to counter...total equal 0 + 1. How is this written in pseudo code for java?

SS 1 QUESTION PLZ HELP
Cash me outside how bout dat

geometry
A cube has edge lengths of 4 inches. What is the approximate length of a diagonal "d" of the cube?

Science
How can two tall pea plants produce a small pea plant

Soc 203
yes

pre-cal
A small ferris wheel, a student is riding a 20-m-diameter ferris wheel that is making 3 revolutions per minute. What is the area of the sector between 3 of the seats (3/8) of the wheel?

pre-cal
A small ferris wheel: A student is riding a 20-m-diameter ferris wheel that is making three revolutions per minute. If there are eight equally spaced seats on the Ferris wheel, then what is the length of the arc between two adjacent seats?

Math
7 7<713

coding

English 1
??????

Math
78

Statistics
The weekly amount of gas sold at a self serve gas station has a uniform distribution on the interval 5000 to 15,000 gallons. If the dealer begins the week with 12,625 gallons in his supply tank what is the probability that he will run out of gas before the end of the week

math
The sum is 14780! that's the answer but I don't know how solve??

math
Paving cost is \$10.30 per square yard. find the total cost of paving the shaded area in figure 27-21. Round the answers to nearest ten dollars. 170'-0" Radius 92'0 256'-0" is the shaded area

U.S History
R(ace, Gender,and the Civil Rights Movements. The struggle in Mississippi.) In what ways were issue of gender at the heart of the Civil Rights struggle for both civil rights activists and white segregationists?

English
From what I gather in reading your sentence...I would probably phrase is to be something like my example below. Linda arrived at her home in London, after taking a leave from her training. In my opinion. Hope this helps!

The floor of a rectangular room will be tiled with square tiles that measure 3 inches on each side. The room is 109 inches long and 103 inches wide. How many tiles, including parts of tiles, are needed to complete the job? A. 1,248 tiles B. 1,247 tiles C. 1,224 tiles D. 1,295 ...

This is a little difficult... Graph the Function y=3 less than the absolute value of x+2 Obviously you cannot show me this on a graph, but I just need help with solving the equation... Thanks!!!

history

Algebra
The floor of a rectangular room will be tiled with square tiles that measure 3 inches on each side. The room is 109 inches long and 103 inches wide. How many tiles, including parts of tiles, are needed to complete the job? A. 1,248 tiles B. 1,247 tiles C. 1,224 tiles D. 1,295 ...

prealgebra
A barrel shaped like a cylinder is laid on its side and rolled up a ramp. The barrel has a circular base that is 0.9m in diameter. If the barrel turns 37 times in being rolled up the ramp, how long is the ramp? Use the value 3.14 for π . Round your answer to the nearest ...

math
The length of a rectangle is twice the width. If the length is increased by 6, and the width is doubled, a new rectangle is formed whose perimeter is 20 more than the perimeter of the original rectangle. Find the dimensions of the original rectangle.

U.S history
Experiences of women and minority groups during World War II. what positive changes did the war bring for women and minorities? in what ways were these games limited by the enduring strength of traditional prejudices? Help?

geometry
Suppose BD−→− bisects ∠ABC. If m∠ABD=12x+24 and m∠DBC=20x+16, what is m∠ABC?

Physics acceleration
A car accelerates uniformly from rest to a speed of 91.4 mi/h in 7.68 s. Find the constant acceleration of the car. Answer in units of m/s

GHS
2,920

physical science
How do I calculate this problem? How much water vapor is produced for each amount of propane burned. Mass of c3h8 reacted 44, mass of O2 reacted 160, mass of CO2 produces 132?

physics
My answer doesn't make sense. I will show question then my work: A city holding tank for water sits 20 m above the city. If a house was on fire 15 m away from the base of the holding tank, and the tank was originally filled to a depth of 15 m, to what depth would ...

physics
My answer doesn't make sense. I will show question then my work: A city holding tank for water sits 20 m above the city. If a house was on fire 15 m away from the base of the holding tank, and the tank was originally filled to a depth of 15 m, to what depth would ...

Algebra 2
Can someone help me simplify this please? The question is 8/√2 Here's what I've got: 8/√2 = 8/√2 * √2/√2 = 8√2/√2 Is this correct?

History
A late-nineteenth-century Republican would have been more likely than a late-nineteenth-century Democrat to support? states' rights. reduced federal activity. reform legislation. lowered expenditures. help???

History
The majority of the "new immigrants" of the late-19th century came from?

History
Who owned the company that controlled over 90% of the nation's oil refining industry? Andrew Carnegie Jay Gould John D. Rockefeller Alexander Graham Bell

History
Which author's book on the link between naval might and international power influenced leading statesmen both in the United States and abroad? A) Chester Nimitz B) Oliver Hazard Perry C) Alfred Thayer Mahan D) Josiah Strong

History
Im so lost :/

History
so its B?

History
Which of the following was not one of the underlying causes of the Panic of 1893? the failure to build enough railroad lines to satisfy market demands the weaknesses of the American banking system the withdrawal of British funds from American investments the falling prices of ...

history
the well organized political parties?

history
Which of the following statements about the Grange and Farmers' Alliance movements is most accurate? Both movements sought to align themselves with railroad interests against banks and manufacturers. Both movements enjoyed widespread popularity throughout the country. Both...

history
Which of the following statements about the Grange and Farmers' Alliance movements is most accurate?

history
Who labeled the era following the Civil War the "Gilded Age"?

Math
The annual precipitation for one city is normally distributed with a mean of 329 inches and a standard deviation of 2.6 inches. Find the probability that a randomly selected year will have more than 323.8 inches of rain. Express the probability as a decimal. ??

Algebra
Thanks

Algebra
Solve the equation 3/8(x=8)+1/8x=-1/2(x-7) 1.4x-3.1=0.2(x-27.5)

algrebra
solve the equation -4(3-x)=3(4x-6)

algebra
Write an equation of a vertical line through the point (-3,-5).

algebra
Given f(x)=3x^2-4x-1 and g(x)=8-2x, find each of the following: f(2) g(-2) f(-1) g(1/4) f(-4)

algebra
Lucas wins \$50,000(after taxes) in the lottery and decides to invest half of it in a 5-year CD that pays 5.35 percent compounded quarterly (4 times/year). He invests the other half in a money market fund that unfortunately turns out to average only 2.6 percent interest ...

Algebra
thank you

Algebra
Joanne paid \$27,840 as a down payment for her house. If the down payment was 12 percent of the actual cost of the house, what was the actual cost?

MATH
WHAT IS THE FORMULA FOR CALCULATING: A diver is on a platform 11 meters above the water. If she dives down 4 meters below the water, what is her total dive

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