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Solve the system of equations 3r -4s equals 0 and 2r plus 5s equals 23?
Presumably this is a simultaneous equation in the form of: 3r-4s = 0 2r+5s = 23 Multiply all the terms in the top equation by 2 and in the bottom equation by 3: 6r-8s = 0 6r+15s = 69 Subtract the bottom equation from the top equation: -23s = -69 Divide both sides by -23 to find the value of s remembering that a minus number divided into a minus number is equal to a plus number: s = 3 Substitute the value of s into the original equations to find the value of r: Therefore: r = 4 and s = 3
If a circle with a diagonal line through it is a symbol for no solution how you designate the case when any value satisfies the equation?
When any value satisfies the equation, you would simply state "all real numbers." There is a symbol for it, and even though it is difficult to explain, I will attempt to. It is simply an R with an extra line making it kind of look like |R, but it's connected to the furthermost left parallel line. I hope that helps!
What is the radius if area equals 289 pi?
Recall the equation A = pi * r^2. You've given the information that A = 289 pi. Now, simply solve the equation for r: A = pi * r^2 289 pi = pi * r^2 289 = r^2 sqrt(289) = r 17 = r
How do you solve for the Radius r in the cylinder equation V equals rh?
If v = r * h then> r = v / h
Rex is 30 years younger than his father his mother is three times as old as her son find rex's age if his father is two years older than his mother?
Lets call them R for Rex, F for Father and M for Morther F - 30 = R M = 3R F - 2 = M If we subtract the third equation from the first one we get F - 30 = R F - 2 = M ------------ 0 - 28 = R - M or M - R = 28 Now, if M = 3R we can substitute that into the above and we ger 3R - R = 28 2R = 28 R = 14 So, if Rex is 14, his mother is 3 x 14 = 42 and his father is 14 + 30 = 44 - which is 42 + 2.
In the equation of r 14 39 what is the value of r?
R+14=39
What is the value of r in the equation r plus 14 equals 39?
r + 14 = 39 r = 25
In the equation R 1439 what is the value of R?
39-14=25 so R=25 25+14=39
In the equation r 14 equals 39 what is the value of r?
25
In the equation R plus 14 equals 39 what is the value of R?
25
In the equation r plus 14 equals 39 what is the value of 4?
r = 25
What is the answer for the algebraic equation -14 r -42?
28
What is g equals rz for r?
In the equation g = rz, r represents a variable or a constant value. The specific value of r would need to be provided in order to determine its numerical value in the equation.
What is 92 equals r plus 26?
It is an equation and the value of r is 66
What is the value of r in the equation -1.5(4-r)-12?
Without an equality sign the given expression can't be considered to be an equation.
23 equals 5r What is the value of r?
To solve the equation (23 = 5r), you need to isolate (r). Divide both sides by 5: [ r = \frac{23}{5} = 4.6. ] Thus, the value of (r) is 4.6.
Surface area of sphere with volume 0.2 meters?
For the question to have any meaning, the volume should be in cubic metres, not metres. The surface area of a sphere of radius r is 4*pi*r*r and its volume is 4/3*pi*r*r*r. Use the second equation to find the value of the radius, r and then use that value in the first equation to calculate the surface area.
