Kaley

Most popular questions and responses by Kaley
1. Geometry

What is the ratio of the area of triangle XBY to the area of triangle ABC for the given measurements, if XY is similar to AC?

2. physics

To determine an athlete's body fat, she is weighed first in air and then again while she's completely underwater. It is found that she weighs 690 N when weighed in air and 36.0 N when weighed underwater. What is her average density?

3. Geometry

A circle has a radius of 6 inches. The circumscribed equilateral triangle will have an area of:?

4. Geometry

Two similar polygons have areas of 50 and 100 sq. in. What is the ratio of the length of a pair of corresponding sides?

5. Geometry

What is the ratio of the area of triangle XBY to the area of the triangle ABC for the given measurements, if XY is similar to AC, and XY=2 and AC=3

6. Geometry

The sides of a quadrilateral are 3, 4, 5, and 6. What is the length of the shortest side of a similar quadrilateral whose area is 9 times as great?

7. Statistics

A study is conducted regarding shatterproof glass used in automobiles. Twenty-six glass panes are coated with an anti-shattering film. Then a 5-pound metal ball is fired at 70mph at each pane. Five of the panes shatter. We wish to determine whether, in the

8. Geometry

What is the ratio of the area of triangle XBY to the area of triangle ABC for the given measuremnts, if XYis similar to AC, and BY=2 and BC=4?

9. Geometry

A circle has a radius of 6 in. The inscribed equilateral triangle will have an area of: ?

10. math

recall that the acceleartion due to earth's gravity is 32 ft/sec^2. from ground level, a projectile is fired straight upward with velocity 90 feet per second. a. what is its velocity after 3 seconds b. when does it hit the ground c. when it hits the

11. math

What value of a makes f(x)=X^2 + (a/x) have a) a local minimum at x=2? b) a point of inflection at x=1?

12. Physics

A car traveling at 71 km/h hits a bridge abutment. A passenger in the car moves forward a distance of 63 cm (with respect to the road) while being brought to rest by an inflated air bag. What magnitude of force (assumed constant) acts on the passenger's

13. Chemistry

In a volumetric analysis experiment, a solution of sodium oxalate in acidic soltuion is titrated with a solution of potassium permanganate according to the following balanced chemical equation: 2KMnO4+8H2SO4+5Na2C2O4 -> 2MnSO4+8H2O+10CO2+5Na2SO4+K2SO4 What

14. calculus

find the points at which the graph of 4x^2 - 4x + 12y^2 -6y = 10 has a vertical and horizontal tangent line. For the vertical only solve for y and for the horizontal only solve for x. I got the deriviative to be: (8x-4)/(-24y + 6). For the horizontal, x =

15. Chemistry

How many moles of Mg2+ and NO3- form for each mole of Mg(NO3)2 that dissolves?

16. Algebra

A boy can row a boat at a constant rate of 5 mi/hr in still water. He rows upstream for 19 minutes and then rows downstream, returning to his starting point in another 13 minutes. What is the rate of the current? What is the total distance traveled?

17. Geometry

Is this true or false? Two similar hexagons have area 36 square inches and 64 square inches. The ratio of a pair of corresponding sides is 9/16.

18. Geometry

One side of a triangle is 15 inches, and the area of the triangle is 90 square inches. What is the area of a similar triangle in which the corresponding side is 9 inches?

19. Geometry

What is he ratio of the area of triangle XBY to the area of triangle ABC for the given measurements, if XY is similar to AC, and BY=3, YC=2 ?

20. Physics

As its volume is doubled from an initial value of 0.088 m3, a sample of gas is held at a constant pressure of 3.4 × 104 Pa by heating. Then, while a constant volume is maintained, the gas is cooled back to its initial temperature. The work that the gas

21. Physics/Fluids

Hi! I'm having a hard time figuring out if flow rate decreases when water goes up a vertical pipe. I know that at some point when the water can't be pushed any higher due to P=pgh, the water stops flowing from the pipe. I also believe that due to

22. Math

Shania is having trouble understanding her algebra assignment. To help her understand, she asks Mark why is not equal to . Which of the following responses would be best for Mark to give?

23. Algebra

A rectangular plot of ground having dimensions 24 feet by 26 feet is surrounded by a walk of uniform width. If the area of the walk is 104 feet squared, what is its width?

24. Geometry

The shortest side of a polygon of area 196 square inches is 4 inches long. What is the area of a similar polygon whose shortest side is 8 inches long?

5/7-3/4=

26. General Chemistry

What is the molarity of a solution produced by dissolving 61 g of KNO3 in a 100 mL volumetric flask?

27. Math

Freddy and Frankie want to know their grandmother's age. She tells them that the digits of their age make up her age. She also tells them that their age plus her age total 83. What is the age of the grandmother? Please explain this question step by step.

28. Physics

A system performs 349 J of work on its surroundings while losing 133 J of internal energy. Determine the heat transferred to the system during this process.

29. English

I know that 'you' and 'I' are pronouns but are words like 'you're' and 'I'm still classed as perosnal pronouns? thanks

30. chemistry

How many H2O molecules are formed when 14 methanol molecules react?

31. Global History

How did the Alliances lead to world war 1? How did nationalism lead to world war 1?

32. science

Which would be a pair of ecological equivalents? zooplankton andsea anemone salmon and seagull rattlesnake and desert rat elephant and hyena zebra and wild horse

33. physics

A spacecraft is traveling with a velocity of v0x = 5690 m/s along the +x direction. Two engines are turned on for a time of 845 s. One engine gives the spacecraft an acceleration in the +x direction of ax = 1.35 m/s2, while the other gives it an

34. Algebra 2

find all the zeros of the polynomial function F(x)= x^4+4x^3-6x^2-36x-27

35. Math Urgent

Two surveyors with two-way radios leave the same point at 9:00am., one walking due south at 2 mi/hr and the other due west at 5 mi/hr. How long can they communicate with one another if each radio has a maximum range of 10 miles?

36. Algebra

Indicate in standard form the equation of the line passing through the given points. A(4, 1), B(5, 2)

37. Economics

What will be the outcome to global economics and the condition of man given increasing global birth rates and why?

38. math

If Sally can paint a house in 4 hours, and John can paint the same house in 6 hours, how long will it take for both of them to paint the house? the answer is 2 hrs and 24 min. How did they come up with that?

39. Criminal Justice

As a detective with a local law enforcement department, you are one of the first to arrive at the scene of a drive-by shooting, which resulted in the death of a teenage male. The shooting occurred at a corner gas station of a low-income neighborhood. A

1. math

11 is correct

posted on February 26, 2018
2. Science

The potential energy is turning into kinetic energy so the potential energy is decreasing and the kinetic is increasing but when it is about to hit the ground the potential energy is increasing and the kinetic energy is decreasing

posted on October 17, 2017
3. art history

I don't really know how to explain the answer except by looking at said paintings. But the answer is David

posted on October 1, 2015
4. Math

Thanks Steve

posted on September 17, 2014
5. math

To keep his wigwam

posted on March 27, 2014
6. Geometry

so 4/9 ?

posted on May 17, 2010
7. Geometry

i don't understand this

posted on May 17, 2010
8. Geometry

i don't seem to understand the concept

posted on May 17, 2010
9. Geometry

?

posted on May 17, 2010
10. Geometry

BY=3, YC=2

posted on May 17, 2010
11. Geometry

how would you write it with the root on top divided by another number?

posted on May 17, 2010
12. Literature

All of them are A.

posted on April 13, 2010
13. Global History

my name is kaley and i try but the material is just confusing sorry :/

posted on February 17, 2010
14. science

Then is it zooplankton and sea anemone?

posted on August 30, 2009