3 hrs 42 min + 4 hrs 57 min = 8 hrs 39 min
that is 1.58 or 1.6
10 was added to some number.This sum was then multiplied by 2, and 15 was taken from the product. If the previous operation resulted in -13, find the initial number.
Let the number = N
2[10 + N] - 15 = -13, solve for N
20 + 2N -15 = -13
2N = -13 - 20 + 15
2N = -18
N = -18/2
N = - 9
a math book has an arthmetic and geometry section with a ratio of 5:3. how many of each typ will be needed to make a book of 480?
5/[5+3] x 480 =300 pages will be Arithmetic.
3/[5+3] x 480 =180 pages will be Geometry.
Three less than eight times a number is the product of nine, and the difference of the number and seven. What is the number?
Let the number=N
8N - 3 = 9 x (N - 7)
8N - 3 = 9N - 63
8N - 9N = -63 + 3
-N = - 60 multiply by -1
N = 60
Guest
Let Kim's share =K, then:
Molly's share =K+105, But,
K=0.4[K+105], solve for K
K =70 pounds - Kim's share
70+105 =175 Molly's share
385 - [70+175] =140 pounds - Laura's share.
140/385 =36.36% percentage that Laura gets.
Circumference divided by the diameter of a circle.
Use V1/T1 = V2/T2 where V is volume and T is absolute temperature.
T1 = 273K. V2 = 1.1V1
V1/273 = 1.1V1/T2
T2 = 1.1*273 K
T2 = 300.3K or 27.3C
K/M = 2/5 so K = 2M/5
M = K + 105 so M = 2M/5 + 105 or 3M/5 = 105 so M = 175
This means K = 175 - 105 = 70
Hence L = 385 - 175 - 70 or L = 140
As a percentage of 385, Laura gets 100L/385 = 100*140/385 → 36.36%
An algorithm is a step by step procedure for getting from a starting point to an end point. It is to mathematics what a recipe is to baking!
f(x) is an odd function (i.e. f(-x) = - f(x)) and its derivatives are alternately even and odd. This means that if you were to count f(x) as f(1)(x) then f(2017)(x) would also be odd and the integral would be zero.
However, if you really mean f(2017)(x) is the 2017th derivative of f(x) then it is an even function and I don't see a simple way of determining it (that's not to say there isn't a way; just that I can't see it!).
reverse engineering: Is the act of copying the product of another company by looking carefully at how it is made.
When you get a question with "at least" in, it is often a good idea to find the probability of "none" first, then the probability of "at least" = 1 - probability of "none".
Suppose there are n integers between 1 and 50 that are not multiples of 3. Then the probability of choosing a random integer that is not a multiple of 3 is n/50.
The probability of doinjg this twice is (n/50)^2. Hence the probability that at least one number is a multiple of 3 is 1 - (n/50)^2
asinus's graphical roots suggest that (2x-1) and (x-3) are also factors, so you could try expanding
(2x-1)(x-3)(x-a)(x-b) and comparing the resulting coefficients with 2x^4-7x^3+5x^2-7x+3 to find a and b.
I suspect your first expression should be: 2x^5-9x^4+12x^3-12x^2+10x-3 as x-1 is a factor of this, but isn't a factor of 2x^5-9x^4+12x^2+10x-3.
"The diagram showsthe cross-section of a cylindrical pipewith water lying in the bottom.
(a) If the maximum depth of the water is 2 cm and the radius of the pipe is 7 cm, find the area shaded.
(b) what is the volume of water in a length of 30 cm?"
(a)
(b) Simply multiply A3 by 30 cm.
LOL, a friend!! Yea I am more than happy to accept it :P
I am going to give u a cookie cuz i cant solve it
2x^5-9x^4+12x^2+10x-3
\(f(x)=2x^5-9x^4+12x^2-3\)
{nl} im stuck with second root, ik that first one is x-1, but lost how to continue : \(\Large ?\)
2x^4-7x^3+5x^2-7x+3
\(f(x)=2x^4-7x^3+5x^2-7x+3\)
\(x_1=\frac{1}{2}\) \( x_2=3\) !
Take the arccosine of both sides.
\(\cos A = 1.26\\ \arccos \cos A = \arccos 1.26\\ A = \arccos 1.26\)
I am too lazy for the calculator.
~The smartest cookie in the world
Thank you so much 😊
24/35
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