Questions on Geometry: Geometric formulas answered by real tutors!

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Question 801790: what is the term A-3 equal to a)1/a3 b)<45>3A C)A<152> (<45>3) D)1
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Question 805081: 1 solve for x: (x +8) / 6 = (2-5x) / 3
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Question 806138: Solve for x:
X + 8 over 6 = 2 - 5x over 3
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Question 805076: 1 solve for x: x/4 -(x+2) / 5 = (2-3x)/ 2
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Question 805079: 1 solve for x , x over 4 - x+2 over 5 = 2-3x over 2
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Question 806136: Solve for x
x over 4 - x+2 over 5 = 2-3x over 2
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Question 809675: Find the geometric mean between 12 & 9.
Select one:
a. 6 \sqrt{3} or appx. 10.4
b. 2 \sqrt{35} or appx. 11.8
c. 10.5
d. 225/21 or appx 10.7

Click here to see answer by tommyt3rd(5050)

Question 861245: What is the geometric mean of 9 and 16
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Question 826126: The sum of the arithmetic is 192 with a last term of 27 and a common difference of 2. Find the number of terms.

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Question 806141: Evaluate
5 over 8 (3 over 8 - 3 over 16) divided by 1/12
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Question 845282: Given that Quad ABCD is congruent to Quad HIJK, match the congruent parts
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Question 844225: a aria of a scalene qudrilateral will be determined which will be vary in the length of each side?
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Question 806143: Evaluate
5 over 8 (3 over 8 - 3 over 16) divided by 1/12
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Question 864672: Write a recursive for the following sequence : 8, 19, 30, 41, 52, 63, 74

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Question 864671: Write a recursive for the following sequence : 8, 19, 30, 41, 52, 63, 74

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Question 865736: in the binomial expansion of (x+y)^8 what is the coefficient of the term containing x^3 y^5
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Question 866306: the ratio of the volume to the area of the right circularcone is 3:1, if the altitude is 12cm. what is the volume of the right circular cone?
Click here to see answer by dkppathak(439)

Question 866487: Find the slope intercept form of the equation of the line with x intercept -4/3 and y intercept 4
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Question 866460: Find the slope - intercept form if the equation of the line with x-intercept -4/3 and y-intercept 4.
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Question 865155: Show that the quadrilateral with vertices (0,1)(4,2)(3,6)(-5,4) has two right angles. Find the area
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Question 864083: A company produces 160 items in week 1 of production.
The rate drops by 3% each week thereafter.
What is the total output in 52 weeks?
How many cars will be produced in the 2nd year?
I am totally stuck on this question at the minute so any help would be greatly appreciated. Thanks D.
Click here to see answer by richwmiller(17219)

Question 867362: #12
Find the area of the square with sides 18 m long.
Round answers to 1 decimal place as needed and be sure to include the units.
Area =

Points possible: 2
This is attempt 2 of 3.
Score on last attempt: 0. Score in gradebook: 0
#13
Find the area of the rectangle with a length of 17 cm and a width of 16 cm.
Round answers to 1 decimal place as needed and be sure to include the units.
Area =

Points possible: 2
This is attempt 2 of 3.
Score on last attempt: 0. Score in gradebook: 0
#17
A sports ball has a diameter of 27 cm. Find the volume of the ball.
Round your answer to 2 decimal places as needed.
Volume = cm3

Points possible: 2
This is attempt 1 of 3.
Need help my friday may 02,2014 by 11:59pm thanks
Click here to see answer by rothauserc(4718)

Question 867660: A spherical bowl of radius 10 is filled with oil to such a depth that the oil surface is equal to 75(pi) square cm. Compute the volume of the oil and find the area covered by the oil in the tank.
Click here to see answer by Alan3354(69443)

Question 868121:
Can you please tell me the answer to x+3=9/3 .
Click here to see answer by Fombitz(32388)

Question 868240: solve equation 5t=13+2k/7 , to make k the subject
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Question 868242: 5t-7/k=11-6t/k rearrange equation to make k the subject
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Question 871302: Circle A has a center of (3, 4) and a radius of 5. Circle C has a center of (0, -1) and a radius of 2.
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Question 872900: A solid cone, C, is cut into two parts, X (upper) and Y (lower) by a plane parallel to the base. The lengths od the sloping edges of X is 3 cm, and Y is 2 cm. Find the ratio of:
a) The diameter of the base of X and C
b) the area of the bases of X and C
c) the volume of X and Y
I tried to use the formula for calculating thr volume of a cone: but I don't know how to apply it in this question. I also know that I have to use the formula: and
Click here to see answer by KMST(5328)

Question 873293: Help me please, and show work thanks.
Find the next three terms in the geometric sequence.
1. 3,15,75,375...
thanks show work if some.
Click here to see answer by richard1234(7193)

Question 873334: The first term of a geometric sequence is 300 and the common ratio is 0.6. What is the 7th term of the sequence ?
show all work please, thanks.
Click here to see answer by ewatrrr(24785)

Question 876037: An arrow is shot into the air is 144t - 4.9t2 meters above the ground t seconds after it is released. During what period(s) of time is the arrow above 68.6 meters? Round your answer to the nearest .01 second.

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Question 876038: What is the approximate positive
zero of the polynomial function f(x) = 2x4-5x-16 to the nearest hundredth?

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Question 877446: find the circumference of a circle if its radius is 4.9 m

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Question 879934: Find the equation of the straight line through A(1,4) which is perpendicular to the line passing through the points B(2,-2) and C(4,0). Hence find the area of the triangle ABC, giving your answer in the simplest possible form
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Question 881307: the sum three consecutive terms of geometric progression is 26 and the product of them is 216. find three numbers.
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Question 550461: Find the next term of the pattern: 3, 12, 147, . . .
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Question 883596: A circle has a diameter with endpoints (3, -2) and (9, -8).
What is the equation of the circle?

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Question 885497: show that (-3, 1), (3, -1) and (1, 3) are the vertices of an isosceles triangle. find its area
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Question 886259: Is a complete understanding of two-dimensional geometry necessary for an understanding of three-dimensional geometry? Why?
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Question 889033: A circular target has a radius of 25cm. What is the probability of hitting a 1cm diameter circle on the target w/ an arrow?
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Question 889686: The area A of a rhombus is one-half the product of the diagonals p and q.
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Question 890148: a wheel of the toy truck has radius of 20cm. by how much the radius be increased so that the area will be 144 radius cm squared?
Click here to see answer by Alan3354(69443)

Question 890213: A 12 quart cooling system is tested and found filled with a 60 percent antifreeze solution.the ideal mixture should be a 50 percent antifreeze solution. How many quarts of solution needs to be drained and replaced with pure water to reach the ideal mixture
Click here to see answer by lwsshak3(11628)