Questions on Geometry: Geometric formulas answered by real tutors!

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Question 36813: can someone please check my answers, thank you
in the following equation, if x is measured in meters and t is measured in seconds, identify the units on the variable v
x=vt
MY ANSWER v=meters/seconds
in the following equation, determine the units on t if S is measured in dollars and p is measured in dollars per year
S=pt
MY ANSWER t=dollars/dollars per year
Click here to see answer by wuwei96815(245)

Question 37050: suppose that your school day begins at 7:30 am and ends 3:00 pm, You eat lunch at 11:00 am. If there is a fire drill at random time during the day, what is rthe probability that it begins beore lunch?
Click here to see answer by checkley71(8403)

Question 37056: Buses arrive at a resort hotel every 15 minutes. They wait for 3 minutes while passengers get on and off, and then the buses depart. What is the probability that there is a bus waiting when a hotel guest walks out of the door at a randomly chosen time?
Click here to see answer by stanbon(75887)

Question 37051: A circle with radius of square root of 2 units is circumscribed about a square with side length 2 units. Find the probability that a randomly chosen point will be inside the circle but outside the square
Click here to see answer by stanbon(75887)

Question 37077: Is (√x)^2=x an identity (true for all values of x)? Please explain
Click here to see answer by wuwei96815(245)

Question 37077: Is (√x)^2=x an identity (true for all values of x)? Please explain
Click here to see answer by jcmtnez(53)

Question 37082: I have a hexagon and its side lengths are of 14cm, and it has a circular bulls eye right in the muddle with a diameter of 3cm. what is the probability that the dart that hits the target will hit the bulls eye?
Also it asks to estimate how many times a dart will the bulls eye if 100 darts hit the target?
Click here to see answer by fractalier(6550)

Question 37344: How do i calculate the area of a piece of land with unequal dimensions, such as a trapezium and scalene triangle
Click here to see answer by AnlytcPhil(1806)

Question 37343: How do I calculate the area of a piece of land with unequal dimensions, such as a trapezium
Click here to see answer by AnlytcPhil(1806)

Question 38044: What are the area formulas for a cone, pyramid and sphere?
Click here to see answer by lyra(94)

Question 36668: in a trapezoid the sum of the base is 28 and the area is 84. what is the altitude of the trapezoid?
Click here to see answer by Evy(14)

Question 35913: Explain why a regular pentagon cannot tessellate a plane
Click here to see answer by fractalier(6550)

Question 35268: 1.) What happens to the surface of a sphere if the diameter is tripled?
2.) Draw a rectangle ABCD and then contruct a line such that the image of the rectangle under reflection in the line is the original rectangle. Is there more than one line with this property?
Click here to see answer by Nate(3500)

Question 39514: The quotient when 3 more than a number is divided by less than that same number

Write each of the following geometric expressions using the given symbols

If you can please help me.I got this problem wrong,and I would like to know how to do it correct. Thank you
Click here to see answer by fractalier(6550)

Question 39702: what is the volume formula for a triangle and a trapazoid
Click here to see answer by stanbon(75887)

Question 40114: The endpoints of a diameter of a circle are (-2,1) and (6, -5).
Write the standard equationof the circle?
Click here to see answer by longjonsilver(2297)

Question 40114: The endpoints of a diameter of a circle are (-2,1) and (6, -5).
Write the standard equationof the circle?
Click here to see answer by Nate(3500)

Question 40113: What is the sum of the measures of the interior angles of a convex polygon with 25
sides?
Click here to see answer by fractalier(6550)

Question 40115: Describe the locus of the points.
Points that are equadistant from the vertices of the polygon.
Click here to see answer by fractalier(6550)

Question 40577: ok!!! i have an exam coming up and i need help in geometry!!! How would i find using the pthagorean theam values of x in a triangle with a 90 degree angle and side a=6 side b=x and side c=8?
Click here to see answer by stanbon(75887)

Question 40621: what is the projection of vector a on to vector b when the angle between them is equal to 0?
i know the formula and stuff but i am not sure wherther the answer is -a or a as to get a projected onto b one of them needs to change direction...
Click here to see answer by stanbon(75887)

Question 40718: prove by mathematical induction that x-y is a factor of x^n- y^n
Click here to see answer by venugopalramana(3286)

Question 35911: Draw a rectangle ABCD and then construct a line such that the image of the rectangle under reflection in the line is the original rectangle. Is there more than one line with this property?
Click here to see answer by astromathman(21)

Question 29506: How do you find the height of a pyramid?
Thanks,
Grace
Click here to see answer by astromathman(21)

Question 31855: x2 + y2 -8519.454x - 16451.344y + 85750785=0
where x2 means x to the second power
Click here to see answer by astromathman(21)

Question 27160: Mount Everest is the tallest mountain in the world. It is 237 meters higher than K2the second talest mountain. If the sum of their heights is 17,459 meters
how tal is each mountain?
How do I write the formula for this?
Click here to see answer by tran3209(100)

Question 43333: Solve the following equations:
(The square root of x)- 1 = 3
(The square root of x^3) = 8
Show all of your work in this space.
Click here to see answer by aaaaaaaa(138)

Question 43549: This is a question I need help with
Listed below is the percent increase in sales for the MG Corporation over the last 5 years. Determine the geometric mean percent increase in sales over the period.
9,4,13,8,11,7,11,9,14,7
Click here to see answer by aaaaaaaa(138)

Question 45277: find the perimeter
length is x/2x-5
height is 8/2x-5
Click here to see answer by rapaljer(4671)

Question 45781: If you have 24 1-cm by 1-cm squares that are used to tile a rectangle. Which rectangle has the smallest perimeter and Which rectangle has the largest perimeter?
Click here to see answer by checkley71(8403)

Question 45782: A circle is inscribed in a square. What percentage of the area of the square is inside the circle?
Click here to see answer by checkley71(8403)

Question 45780: A rectangle has area 60 cm2 and perimeter 38 cm. Use the "guess and check" method to find the length and width of the rectangle.
Click here to see answer by checkley71(8403)

Question 46852: Can someone please tell me what are the following formulas for:
1.) the hypotenuse of a 45-45-90 isosceles right triangle with a leg of length x.
2.) the hypotenuse of a 30-60-90 right triangle with shortest leg having a length of x.
3.) the cross section through the center of a sphere.
4.) the volume of a prism that has an equilateral triangle with side of length x and height of length y.
I believe that it is asking for the formulas only. These are the last four i need. so please help! thank you!
Click here to see answer by stanbon(75887)

Question 47736: A prism has a square base and a volume of 605dm3.If it is 12 dm high, what is the width of the base?
Click here to see answer by venugopalramana(3286)

Question 47731: the area of a rectangle is 230cm its length is 10cm what is the width?
Click here to see answer by venugopalramana(3286)

Question 48832: 1. Use the geometric sequence of numbers 1, 1/3, 1/9, 1/27... to find the following:
a. What is r, the ratio between 2 consecutive terms? (show work)
b. Using the formula for the sum of the first n terms of a geometric series, what is the sum of the first 10 terms? Carry all calculations to 7 significant figures. (show work)
c. Using the formula for the sum of the first n terms of a geometric series, what is the sum of the first 12 terms? Carry all calculations to 7 significant figures. (show work)
d. What observation can make about the successive partial sum of this series? In particular, what number does it appear that the sum will always be smaller than?
Click here to see answer by AnlytcPhil(1806)

Question 49040: A survey reading is taken between two points. The point of origin has coordinates of 100.0m easting, 500.0m northing. The coordinates of the new station are 520.84422m easting, 175.66614m northing. What is the bearing in degrees from the origin to the new point?
Click here to see answer by venugopalramana(3286)

Question 49283:
__ _ 3�a⁵�a =

Click here to see answer by AnlytcPhil(1806)

Question 49269: find a quadratic equation with roots (4+i)and (4-i)
Click here to see answer by longjonsilver(2297)

Question 49270: find the dimentions of a rectangle( a )with the greatest area whose perimeter is 30 feet.
Click here to see answer by venugopalramana(3286)

Question 49314: (3)^-1/3 please simplify
Click here to see answer by Nate(3500)

Question 49313: 3square root sign x^5y^5 write in exponential form and simplify. please
Click here to see answer by Nate(3500)

Question 49271: graph the equation and label the vertex and the axis of symmetry.
y=-3x^2
Click here to see answer by Nate(3500)

Question 49257: 3k-k=-8
Click here to see answer by checkley71(8403)