# Posts by D

Total # Posts: 430

Csu
3. What is the value in year 20 of a \$1,000 cash flow made in year 8 if interest rates are 15 percent in years 6 through 13 and increase to 18 percent in the remaining years?

Kennedy king
2. A \$5,000 investment has doubled to \$10,000 in ten years. How much longer will it take for the investment to reach \$15,000 if it continues to earn the same rate?

physics
ddd

science
True

physics
41.55

Algebra
idk

engineering mechanics
the greatest and least resultant of two forces are respectively 17 KN and 5 KN. determine the angle between two force when their resultant is root 144 KN.

Veterinarian assisted
I tried to use these to cheat on my exam and I got a 65 because ALL THOSE ANSWERS ARE WRONG moral of the story kids : don't cheat

economics 6
fffg

Math
Choose the best description for the real number 34/5 Irrational, because it is a fraction Irrational, because it is a repeating decimal Rational, because it is a fraction Rational, because it is a terminating decimal

Statistics
435

Stats
the average placement test score of a sample of 64 students out of 1000 registered at a community college is 70 with a standard deviation of 15. Construct a confidence interval with a 5% chance of error.

chemistry
Question Part Points Submissions Used A swimming pool, 20.0 m ✕ 12.5 m, is filled with water to a depth of 3.85 m. If the initial temperature of the water is 18.9°C, how much heat must be added to the water to raise its temperature to 28.7°C? Assume that the ...

math
3.8

Geometry
Can you please explain this to me?

Geometry
Find the area of the composite figure(right triangle), where the hypotenuse is 13m, base is 12m and the height is not given?

Math
i do not know can you help me please who are you

Physics
A rifle shoots a 4.1g bullet out of it's barrel. The bullet has a muzzle velocity of 975 m/s just as it leaves the barrel. Assuming a constant horizontal acceleration over a distance of 43.0 cm starting from rest, with no friction between the bullet and the barrel, what ...

math
do it yourself

physics
How do I calculate the radial acceleration in g's? For example: Calculate the radial acceleration (in g’s) of an object on the ground at the earth's equator, turning with the planet. Earth's radius is 6380 km.

Physics
A 26.2 g marble sliding to the right at 62.0 cm/s overtakes and collides elastically with a 13.1 g marble moving in the same direction at 15.5 cm/s. After the collision, the 13.1 g marble moves to the right at 77.5 cm/s. Find the velocity of the 26.2 g marble after the ...

Math
12cmweight lengt=20cm

Math
furry sack of balls

Math
30

Chemistry
Describe the creation of 234 mL of a 3.2 M sodium chloride solution

physics
You walk 51 m to the north, then turn 30° to your right and walk another 45 m. How far are you from where you originally started?

physics
I figured it out. 130N. I forgot about gravity.

physics
a woman weighs Fg=650 when standing on a stationary scale. The woman is riding an elevator from the 1st floor to the 10th floor. As the elevator approaches the 10th floor, it decreases its upward speed from 9 m/s to 1 m/s in a time interval of 1 second. What is the average ...

GEOMETRY
5√3/3 Can somebody evaluate this PLEASE!!!!!!

GEOMETRY
simplify 5√3/3

GEOMETRY
no i don't have a calculator that's why im asking what it is? can you please give me the answer. this is the last problem 2 my homework and i can't figure it out

GEOMETRY
i need it simplified to the nearest 10th

GEOMETRY
simplify 5 squareroot(3)/3

u.s history
Where did John Wilkes Booth shoot Abraham Lincoln?

u.s history
How did the Civil War end?

u.s history
How did the Civil War affect women?

health
Whats the largest bone in your body?

GEOMETRY
44411001444

GEOMETRY
parallelogram with a side of 40in a base of 36in and a height of 33in. WHAT IS THE AREA?

Math
A couple needs \$15,000 as a down payment for a home. If they invest the \$10,000 they have at 8% compounded quarterly, how long will it take for the money to grow into \$15,000?

Calculus
Finf (dy/dx) y=(1+28x^3)f(x)+(6x)g(x)(x^4+5x+7)+(6x)g(x)(x^4+5x+7)-(e^x+7x^4)f(x)+3x^2g(x)(4x^3+5+7)/((x^4+5x+7)^2

physics
A test rocket is launched vertically from ground level (y = 0 m), at time t = 0.0 s. The rocket engine provides constant upward acceleration during the burn phase. At the instant of engine burnout, the rocket has risen to 49 m and acquired a velocity of What is the maximum ...

troy
A car is parked on a cliff overlooking the ocean on an incline that makes an angle of 15.0° below the horizontal. The negligent driver leaves the car in neutral, and the emergency brakes are defective. The car rolls from rest down the incline with a constant acceleration ...

math
The owner of a service station receives a loan of \$8,500 at 10.5% for 7 months. Find the amount of simple interest

Calc
Sqrt(xyz) I rewrote it has x^(1/2)*y^(1/2)+z^(1/2) And the derivative with respect to x is Sqrtyz/(2sqrtx) is that right

math
-x/y^2 = x/(1/y) is that a true statement?

choice
Varsity Press, a publisher of college textbooks, received a \$70,000 promissory note at 12% ordinary interest for 60 days from one of its customers, Reader’s Choice Bookstores. After 20 days, Varsity Press discounted the note at the Grove Isle Bank at a discount rate of ...

math
From 70 feet away from the base of a tree on level ground, the angle to the top of a tree is 60⁰. What is the height of the tree? What is the approximate distance from the vantage point to the top of the tree, to one decimal point? (Assume that the tree is perpendicular ...

Algebra
9 more than 2 times x

physics
if the * is the degrees, then you need to draw the vectors according to their direction. you can use a graph paper and make your own scale: say one unit cube is 10km/hr. then use the protractor to draw the vectors taking an horizontal line as zero degrees. then draw the ...

Science
which of the following is an example of a mineral? silver, lava, fossils, sand, I say Lava

statistics
9,873.35

stats
suppose that a population of people is 1200. .25 of the population is white. we take a random sample of 100 people. What is the probabilit that more than .29 of these people are white?

U.S/history AP
King Cotton works for me

Physics
i love heewahh

chem
dec

chemistry
A metal block of mass 11.5 g gives off 360 J of heat while cooling from 99.7 to 32.5 oC. What is the specific heat of the metal in J g-1 oC-1?

chemistry
A metal block of mass 11.5 g gives off 360 J of heat while cooling from 99.7 to 32.5 oC. What is the specific heat of the metal in J g-1 oC-1?

Chemistry

Science
Name 3 ways screws are used?

math
which fraction cannot be expressed as repeat decimal? a) 1/11 b)1/4 c 5/8 d 2/3

math
solve the equation: 3x-8=12

German
there is none. im trying to determine if that sentence is grammatically correct or incorrect.

German
Ich schminke mich lieber als er sich. is this incorrect or correct?

Cosmology
Comparison of emissions from elliptical galaxies in x-ray and optical bands

chemistry
Iwish to prepare 3% NH3 from 20ml strong NH4OH and 180ml H2O.Can you help me?

Chemistry
tyr-trp-phe-val-lie

Binomial Math
.2150

Math
EAT MY HOLE

Math
Need help with 4th grade fractions.

Math
Jeramie has a jar of nickels and dimes. There are 200 coins worth \$14.00. How many of each type of coin are in the jar. :)

economics
Mary earns \$100/day at a flower shop. She will take 2 days off without pay to attend an out of town wedding. Transportation will cost \$180 round trip. Hotel \$99/day for 2 nights. What is the opprotunity cost?

geometry
angle xoz (5m-5) angle yoz (7m+29) these are supplementary angles. How do you solve?

Chemistry
What preperation produces a 2.0 Mole solution of C6H12O6? a) 90.0 grams of C6H12O6 dissolved in 500.0 mL of solution b) 180.0 grams of C6H12O6 dissolved in 1000mL of solution c) 90 Grams of C6H12O6 dissolved in 1000mL of solution D) 180.0 Grams of C6H12O6 dissolved in 500.0mL ...

English
yes it is C

The Age Of Jefferson To The American Expansion
18 is not D because i got it wrong when i answer the questions

Finance
questo

CHEMISTRY
What is oxygen extensive properties?

chemistry
Rate Constant * Concentration^2

Math
12 over 7 simplified

Math
-5 over 8 times -3

Math
10x and 45x to the power of 4

chemistry
Rate Constant * Concentration^2

chemistry
Rate Constant * Concentration^2

Chemistry
thanks

Chemistry
Rate Constant * Concentration^2

Chemistry
it is wrong

Chemistry
thanks

Chemistry
Thanks

Chemistry
thanks

Chemistry
thanks

Chemistry
thanks

Chemistry
thanks

Physics
What is the max speed a car can go on a race track with a radius of 80 meters, the coefficient of friction between the tires and the road is .30

Physics
A baseball (m = 135 g) approaches a bat horizontally at a speed of 40.4 m/s (90 mi/h) and is hit straight back at a speed of 45.7 m/s (102 mi/h). If the ball is in contact with the bat for a time of 1.00 ms, what is the average force exerted on the ball by the bat? Neglect the...

Math
C. Circumference

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