Tutors Answer Your Questions about Radicals (FREE)
Question 79025: can some one check this for me please?
i have a triangle and i have to answer in simplified radical form.
20cm is on the left 15 cm is on the bottom and x is on the right.
x^2+15cm^2=10cm^2
=x^2+225cm=100cm
x^2=125
x=125
x=5sqrt
Click here to see answer by stanbon(75887)  |
Question 79067: I have a word problem i have done it over and over but it will not match my a b c and d answer can you help me?
the base of a ladder is 3 feet away from the wall. The top of the ladder is 9 feet from the floor. Find the length of the ladder to the nearest thousandth. i get this as you can see i am in another place help please
a^2=9^2+3^2
a^2=81+9
a^2=90
a=sqrt90
a=3sqrt10
a=2sqrt5
but my choices are;
A 9.487 feet
B 7.355 feet
c 11.788 feet
D 8.466 feet
Click here to see answer by rapaljer(4671)  |
Question 79119: how do i decide all values of b in the following equations that will give one or more real number solutions? If an equation has solution how do i write a rule for judging by looking at it in standard form?
a. 3x^2+bx-3=0
b. 5x^2+bx+1=0
c. -3x^2+bx-3=0
Click here to see answer by stanbon(75887) |
Question 79448: Please help me in solving this problem.
Using the following formula, find the time required for an object to fall to the ground from a building that is 1400 ft. high.
t=1/4 sqrtS ; where S is the distance fallen
I would appreciate your help. Thank you very much.
sean32485
Click here to see answer by stanbon(75887) |
Question 79449: Please help me with this geometry word problem with square roots.
Find the area of the rectangle with this measurements:
Top side of the rectangle is: sqrt3 + sqrt5
right side of the rectangle is: sqrt3 + sqrt5
Again, the problem is to find the area of the rectangle.
Thank you so much for your help.
sean32485
Click here to see answer by erimir(14) |
Question 79590: Can someone please help me??????
1) Number Problem: Find two consecutive positive integers such that the sum of their squares is 85.
2) 3x^2-2x+1=0
3) Construction: A garden area is 30 ft. long and 20 ft. wide. A path of uniform width is set around the edge. If the remaining garden area is 400 ft^2, what is the width of the path?
Thanks!:)
Click here to see answer by ankor@dixie-net.com(22740)  |
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