Questions on Geometry: Geometric formulas answered by real tutors!

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Question 178407: A regulation tennis ball has a diameter of 2.5 inches. Find the volume of the tennis ball, rounded to the nearest tenth inch.
Click here to see answer by EMStelley(208)

Question 178407: A regulation tennis ball has a diameter of 2.5 inches. Find the volume of the tennis ball, rounded to the nearest tenth inch.
Click here to see answer by jim_thompson5910(35256)

Question 178407: A regulation tennis ball has a diameter of 2.5 inches. Find the volume of the tennis ball, rounded to the nearest tenth inch.
Click here to see answer by Alan3354(69443)

Question 178408: Two trains are start from the same point and travel in. Train A travels East at an average speed of 75 mph and train B travels West at an average speed of 60 mph. How long will it take for the trains to be 297 miles apart?
Click here to see answer by ankor@dixie-net.com(22740)

Question 178887: find the nth term of each geometric sequence. a[1]=-10,r=4,n=2
Click here to see answer by stanbon(75887)

Question 179431: Solve this proportion....
x-2 / 4 = x+4 /2

Click here to see answer by jim_thompson5910(35256)

Question 180511: If the measure of angle A in standard position is -210 degrees, then the principal angle is ?
Click here to see answer by Mathtut(3670)

Question 181013: If I have 100 ft. of fencing and I want to enclose the most area, should I make the enclosure a circle, triangle, or a square Prove your answer.
Click here to see answer by Alan3354(69443)

Question 182998: 9. In a certain triangle the measure of one angle is double the measure of a second angle but is 10 degrees less than the measure of the third angle. [The sum of the measures of three interior angles of a triangle is always 180 degrees.] What is the measure of each angle?
Click here to see answer by MathGuyJoe(20)

Question 183430: Hello (:
I have a question, and I couldn't find the answer anywhere on the Internet. So, do you know what the formula for a nonrectangular parallelogram is?
The question asked was
16. Let a and represent the side lengths and h the height to a side of length b in a nonrectangular parallelogram whose area is A. What is the formula for the area of the parallelogram?
A: A = b X h
B: A = a X h
C: A = a X b
D: A = h X (a + b)
Thank you for your time
(:
Click here to see answer by user_dude2008(1862)

Question 183836: how do you do slope intercept form
ex. y=1\2x+3
Click here to see answer by jojo14344(1513)

Question 184399: The height h(in feet) of an object that is dropped from the height of s feet is given by the formula h=s-16t^s, where t is the time the object has been falling. A 5ft woman on a side walk looks directly over head and sees a window washer drop a bottle from the 3 story. How long does she have to get out of the way? Round to the nearest tenth. A story is 12ft.
a) 1.9seconds
b) 1.4seconds
c) 1.7seconds
d) 1.3seconds

Click here to see answer by stanbon(75887)

Question 184398: The hypotenuse of a right triangle is 2.6units long. The longer leg is 1.7 longer than the shorter leg. Find the lengths of the sides of the triangle.
a) 2.6, 2.5, 0.8
b) 1.0, 2.7, 2.6
c) 2.6, 0.9. 2.6
d) 2.6, 1.7, 4.4
Show work
Click here to see answer by checkley77(12844)

Question 185203: PERIMETER.
My son is taking Grade 5 math and we need some help Please.
Draw a six-sided shape using a ruler. Measure each side in centimetres and find the perimeter of your shape.
PLEASE CAN YOU HELP OUT
Click here to see answer by Alan3354(69443)

Question 185204: CAN YOU HELP A GRADE FIVE KId UNDERSTAND.
Susan wanted to frame a nuce picture of herself. The length of the picture was 20 cm and the width was 10 cm. The perimeter was 60 cm. If she wants a 2 cm border around the picture, what will the perimeter of the entire frame be\/
God Please explain
Click here to see answer by solver91311(24713)

Question 186379: a farmer has 500 feet of fencing with which to build a rectangular livestock pen and wants to enclose the maximum area.
use a variable to label length and width of the rectangle
find a variable expression for the area of the pen
this is totally killing me can someone please help??? thank you
Click here to see answer by ankor@dixie-net.com(22740)

Question 186517: This is a cone of a radious of 7in. and and a height of 14in. what is the answer?
Click here to see answer by rapaljer(4671)

Question 186475: a farmer has 500 feet of fencing with which to build a rectangluar live stock pen and wants to enclose the maximum area. okay here is my prob i know how to get the maximum area but it also says to show a graph of the possibilties and i am stuck i did get help with and understand how to use varibles but i'm just not sure how i get this graphed is ther some fabulous trick i don't know about??i am struggling with this last math project and totally bombed on the last one i just need a few pointers on what to do thank you all so very much
tanya
Click here to see answer by rapaljer(4671)

Question 186725: the height of a photo is 4 inches more than its width. After enlargement the height will increase by 18 inches and the width by 12 inches. If the ratio of the area of the original photo to the area of the enlarged photo is 4:25, then what will the new dimensions of the pgoto become? thank you
Click here to see answer by ankor@dixie-net.com(22740)

Question 187556: who can help to solve this

y+3=6x
-6x-y=2
Click here to see answer by checkley77(12844)

Question 187550: this is the given
8x-4y=16
5y-10x=3
Click here to see answer by jojo14344(1513)

Question 187554: WHO CAN HELP ME TO SOLVE THIS PROBLEM

8x-4y=16
5y-10x=3
Click here to see answer by jojo14344(1513)

Question 187549: please help me to solve this problem i have many more to do and i have no time to solve this please help me!
Click here to see answer by Alan3354(69443)

Question 187549: please help me to solve this problem i have many more to do and i have no time to solve this please help me!
Click here to see answer by solver91311(24713)

Question 187459: The area of a trapezoid is 144 square inches. If the height is 12 inches, find the length of the median.
Click here to see answer by jojo14344(1513)

Question 175667: What is the precision measurement for 40 feet?
What is the precision measurement for 12 centimeters?
What is the precision measurement for 9 1/2 inches?
Thanks for your help
Click here to see answer by Alan3354(69443)

Question 188584: y = 1/2x + 1
Find the measures of the acute angle that each line makes with a horizontal line. Round your answer to the nearest tenth.
Click here to see answer by Alan3354(69443)

Question 188583: A 6ft. tall person standing at a distance of 27ft. from the water tower must look up at an angle of 46degrees to see the top of the water tower. To the nearest foot, find the height of the water tower?
Click here to see answer by jojo14344(1513)

Question 188581: The angle of depression of a diver from the boat is 34degrees, and the diver is 367ft. deep. To the nearest foot, how far is the diver from the ship?
Click here to see answer by Mathtut(3670)

Question 188585: A hot-air balloon has risen to an altitude of 280m. You can still see the starting point at an 18degrees angle of depression. To the nearest meter, how far is the balloon from the starting point?
Click here to see answer by Mathtut(3670)

Question 188579: A tree casts a shawdow of 17ft. The angle of elevation from the tip of the shawdow to the top of the tree is 68degrees. To the nearest foot, what is the height of the tree?
Click here to see answer by Mathtut(3670)

Question 188701: Ordered pairs- can't find
y+3x=0
what is the ordered pair
Click here to see answer by checkley77(12844)

Question 188754: write a equation of the line with slope 5 and y- intercept -12?
Click here to see answer by nerdybill(7384)

Question 188766: Marty leaves his house and walks 5 miles due west. He stops at the library and then walks 8 miles due north. HOW FAR IS Marty from his house? Round your answer to the nearest tenth. Graph and show work.
Click here to see answer by Alan3354(69443)

Question 188916: A triangle has two sides that have lengths of 16 centimeters and 28 centimeters. Which of the following lengths could not represent the length of the third side.

Click here to see answer by Mathtut(3670)

Question 189566: Hello. My husband and I are trying to figure out how many cord of wood we have just split. It's piled into a cone area with a base area of 19' across and 8' high. Approximately how many cord do we have???
Thank you,
Joanna
Click here to see answer by jim_thompson5910(35256)

Question 190624: Estimate the area of the rectangle in square units. Each square represents 1 square unit.
Click here to see answer by jim_thompson5910(35256)

Question 191287: HOw would I describe the similarities and differences of perimeter, area, surface area and volume in a way that a 5th grader could understand. Creativity and clarity count.

Click here to see answer by Alan3354(69443)

Question 192554: Given a circle with the radius of 2, which is the length of an arc measuring 75 degrees?
Click here to see answer by nerdybill(7384)

Question 192554: Given a circle with the radius of 2, which is the length of an arc measuring 75 degrees?
Click here to see answer by solver91311(24713)

Question 192612: I need to find the mean of two values: A=36, m=16 and the problem is
A=m+n/2
Click here to see answer by solver91311(24713)

Question 192621: How do you find the area of a quadrilateral?
Click here to see answer by RAY100(1637)

Question 192621: How do you find the area of a quadrilateral?
Click here to see answer by solver91311(24713)

Question 193048: find the measure of the hypotenuse of a 30-60-90 triangle whose longer leg has a measure of 6 meters. Give the answer in simplified radical form.I know that the hypotenuse is 2x the length of the shorter leg.
Click here to see answer by nerdybill(7384)