I need to find the determinant of a matrix that includes some variables in it. When I try to enter x in the matrix, it just goes in as 0. Is there anyway I can put x in amatrix on the graphing calcula
ms. nguyen needs to separate $385 into three parts to pay some debts. the second part must be five times as large as the first part. the third part must be $35 more than the first part. how much money
1)A ladder is slipping down a vertical wall.If the ladder is 20ft long and the top of it is slipping at the constant rate of 2ft/sec, how fast is the bottom of the ladder moving along the ground when
quadratic equation sum-Let the number be x.
Thus, its square root will be sqrt(x).
Since their sum is 6/25, we have:
x + sqrt(x) = 6 / 25
sqrt(x) = (6 / 25) - x
(sqrt(x))^2 = ((6 / 25) - x)^2
x = (36
If a circle with a radius of 10 cm is placed inside a square with a length of 20 cm, what is the
probability that a dart thrown will land inside of the circle?-Area of the square = 20^2 = 400 sqcm
Are
Find the new principal if $3000 is borrowed at 8% compound interest for 4 years, and the
interest is compounded monthly
So by how many fractions do i increase it by and what is the starting fraction?
e^(8x+4)-9 = 0
?
Please show the steps, thanks :)-e^(8x+4)-9 = 0
e^(8x+4) = 9
Then you take the natural log of both sides( ln ) . You may not know what this means. the ln of a value gives out the
The public school system in a certain county has a special, free remedial reading program for its 4th grade students who score in the lowest 4% of reading ability at that grade level. Let R represent
There are these two hints:
The jar is: 7.5 litre capacity
Length and width of 1 paperclip: 2 x 0.5 inches
How many paperclips could possibly by in this jar, please explain!-7.5 L = 7500 mL = 7500 cm
I have to divide 8x^3-3x^2+x+4 by x-1. I got 8x^2-11x-10 with a remainder of -6 as my answer. Is this correct? If not what is the answer and explain why mine is wrong if you can. (you dont have to exp
Hello! I was wondering, I am trying to plot a rational function here but I am kind of having trouble with step six, which isto plot at least one point between and beyond each x -intercept and vertical
Nicole has a bag of 30 marbles
5 types= red, blue, pink, orange and yellow
there is one more red marble than yellow
there are the same number of red and pink marbles
there are four more red than blue
Am I supposed to be timesing all 3 brackets at the same time? Cos when I just times just the first two brackets and then times that with the next bracket, I keep getting the wrong answer?
please expl
The wheels of a car have radius 11 inches and are rotating at 600 rev/min. Find the speed of the car in miles per hour.
please show work. Thanks in advance!-The distance covered in 1 revolution
= 2 π
I know that trig is use mainly by surveyors, navigators, map makers,etc.
But how can a person like me, who is not a scientist nor professional mathematician to use trigonometry in everyday lives?Pleas
