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Question 1085090: This was a question on my cct part 2 and i did not understand it at all.
Find the length of the other two sides of a right angle triangle if the hypotenuse is 15cm and one side is 3cm longer than the other side.
Click here to see answer by ikleyn(52776)   |
Question 1085106: Hello, I need help finding the explicit formula for this problem. I'm fairly certain that I got the recursive one right, but I cannot figure out how to write the explicit formula. Any help would be much appreciated.
Thanks in advance for your help!
1. Find both a recursive rule and an explicit rule that will generate the values in the table below, provided that a0 = 3/2.
n: 1---- 2---- 3---- 4---- 5---- 6
an: 2---- 3---- 5---- 9----17----33
Click here to see answer by math_helper(2461)  |
Question 1085195: The sum of my tens and hundreds digit is my thousands digit. My hundreds digit is 1 less than my tens digit. My ones digit is greater than 7 and a multiple of 4. My tens digit is is 3 less than my ones digit. What is my number?
Click here to see answer by MathLover1(20849)  |
Question 1085195: The sum of my tens and hundreds digit is my thousands digit. My hundreds digit is 1 less than my tens digit. My ones digit is greater than 7 and a multiple of 4. My tens digit is is 3 less than my ones digit. What is my number?
Click here to see answer by stanbon(75887) |
Question 1085091: Another question from my CCT part 2 that i did not understand at all.
Three people are standing apart from each other in the frm of a triangle. Fred is 5cm away from Angela 6cm away from Mark and Mark is 7cm away from fred. What angles do they make.
Click here to see answer by addingup(3677)  |
Question 1085683: Find the equation, in standard form, of the circle being described in each item.
1. center (2/5, - 3/7), radius 11
2. diameter with endpoints (-1,3) and (9,1)
3.diameter with endpoints (3,-5) and (6,4)
4.center (-6,-3), through (-10,3)
5. center (5,7), tangent to the x-axis
6. center (-4,9), tangent to the x-axis
And last problem, i need help from this.
Find the equations of the lines described. Give your answers in the form y=mx+b.
here i use (x²+y²-18x-2y+48=0 at x=4) using same on 3 problems
1.tangent lines to x²+y²-18x-2y+48=0 at points where x=4
2. tangent lines to x²+y²-22x+12y+137=0 at points where x=15
3. tangent lines to x²+y²-16x-12y+87=0 at points where y=4
Click here to see answer by ikleyn(52776) |
Question 1085667: Question: Write Yes if the indicated real numbers are part of the domain of the given function. Otherwise, write No.
1. y=4x+5 a. f(4) ____ b. f(-5) _____
2.f(x)= |3-x| a. f(8) _____ b. f(3) _____
3.f(x)= √15-x² <-- (square root of 15 minus x²) a. f(-5) ____ b. f(5) ____
4.y=5 a. f(0) _____ b. f(-1) ____
5. f(x)= 4 a. f - 1/2 (negative 1 over 2) _____ b. f(0) ______
————
2x-1
5.
given is: 4 over 2x-1 (it's fraction), 4/2x-1
(a.) is negative 1 over 2 or (negative 1/2)
Click here to see answer by Alan3354(69443)  |
Question 1085762: what is the equation of this line?
question: find the equations of the line described.
tangent lines to x²+y²-18x-2y+48=0 at points where x=4
im solving it using x²+y²-18y-2y+48=0
at x=4
my solution (trying)
P(4,y)
(4)²+y²-18(4)-2y+48=0
16+y²-72-2y+48=0
=y²+2y
=y(y+2)=0
y=0 | y+2=0 y=-2
is it right?
P(4,0) Q(4,-2) is it right?
x²+y²-18x-2y+48=0
(x²-18x)+(y²-2y)= -48
is it right? now i dont know whats next. please correct me if im wrong.
Click here to see answer by Fombitz(32388)  |
Question 1085764: Question: Identify the radius and center, if the graph of the equation is a circle then sketch it. Otherwise, specify if the graph is a single point (and what this point is), or has no point at all.
1.8x²+8y²-28+12y+221=0
2.x²+y²-8x+6y+40=0
3.x²+y²+22x+18y+215=0
4.x²+y²-18x+12y+144=0
Click here to see answer by Fombitz(32388) |
Question 1085760: what is the equation of this line?
question: find the equations of the line described.
tangent lines to x²+y²-18x-2y+48=0 at points where x=4
im solving it using x²+y²-18y-2y+48=0
at x=4
my solution (trying)
P(4,y)
(4)²+y²-18(4)-2y+48=0
16+y²-72-2y+48=0
=y²+2y
=y(y+2)=0
y=0 | y+2=0 y=-2
is it right?
P(4,0) Q(4,-2) is it right?
x²+y²-18x-2y+48=0
(x²-18x)+(y²-2y)= -48
is it right? now i dont know whats next.
Click here to see answer by htmentor(1343)  |
Question 1085668: What real number(s) must be excluded from the domain of the given functions below?
1. f(x) = x+1 over -5x-10 (x+1/-5x-10) _______
2. f(x)= √4-x (square root 4-x) __________
3. f(x)= 2-x over x²-5x+6 (2-x/x²-5x+6) _________
Click here to see answer by rothauserc(4718)  |
Question 1085947: Question: Identify the radius and center, if the graph of the equation is a circle then sketch it. Otherwise, specify if the graph is a single point (and what this point is), or has no point at all.
x²+y²-8x+6y+40=0
Click here to see answer by ikleyn(52776) |
Question 1086018: One's intelligence quotient, or IQ, varies directly as a person's mental age and inversely as that person's chronological age. A person with a mental age of 20 and a chronological age of 20 has an IQ of 120. What is the chronological age of a person with a mental age of 35 and an IQ of 140 question mark
Click here to see answer by Boreal(15235)  |
Question 1086141:
At a sport clubhouse the coach wants to rope off a rectangular area that is adjacent to the building. He uses the length of the building as one side of the area, where the length measures 16 meters. He can use at most 36 meters of rope.
Form an inequality to solve for the possible widths that the roped area could have. Let the width be W
Click here to see answer by josgarithmetic(39616) |
Question 1085958: Two aircraft A and B are at the same height and are travelling horizontally at 500km/h. A is flying due north and B is flying due west. The bearing of B from A is 15 and the distance AB is 10km.
(i) Find the least distance between the aircraft in their subsequent motion.
(ii)the time, in seconds , for them to reach the position where they are the least distance apart.
Click here to see answer by ankor@dixie-net.com(22740)  |
Question 1086295: mr levy borrowed money from lenders one lender charged 5.5% simple interest and the other charged 3.5% simple interest. Mr levy had to barrow $200 more at 5.5% than he did at 3.5% if the total earnings came to 435 dollars after 1 year how much did he invest in
Click here to see answer by ikleyn(52776) |
Question 1086987: 3, -6, 12, 4, 20, ?
7, 16, 8, 27, 9, ?
2, 7, 26, 101, 400, ?
7, 21, 8, 72, 9, ?
HI I am doing a personality assessment and the above have been thrown in as a test to resilliance and finding answers. can you please help me
I would be very grateful
thank you
KAren
Click here to see answer by ikleyn(52776) |
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