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Question 98257: find the volume of a regular square pyramid with the base edge of 4 and height 6
Click here to see answer by Nate(3500)

Question 98256: what is the lateral area of a regular triangular pyramid with base edge 3in and a slant height 4in
Click here to see answer by Nate(3500)

Question 98291: Given the function f(x) = 5x2 − 2x + 7, find the ordered pair (x, f(x)) associated with the value of x = −7.
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Given f(x) = x3 − 2x2 + 8x + 4, find f(−2).Your Answer:
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Evaluate the expression x4 − 4x2 + 5x + 3 for x = −1.

Click here to see answer by yhanie(3)

Question 97726: two similar cones have heights 5 and 10 . what is the ratio of their volumes?
Click here to see answer by checkley71(8403)

Question 99429: each box weighs 3 1/6 and there are 6 boxes in all what is the total weight?
Click here to see answer by checkley71(8403)

Question 99554: Determine whether the square root of 77 is rational or irrational. Answer: A) Irrational B) Rational
I say irrational since there is no square.
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Determine if (a square root symbol with a - inside it) is rational or irrational. Answer: A) Irrational B) Rational
I say: A) Irrational There is a negative symbol, also there is no number.
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Find the altitude of the triangle.
the sides (height) are each 13 and the base (bottom) is 10.
Answer: ????
This one I can not find a formula in my books for solving this.
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Evaluate (the square root symbol with 9 over 16 inside it) if possible.
I say not possible since it is not a whole number with a solution.
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Evaluate (small 3 next to the square root symbol with 1 over 64 inside it) if possible.
I say not possible since it is not a whole number with a solution.
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Am I on the right track? This is a large assignment and due tonight. These are the only ones I am doubting myself on and need your help. Thanks! ;-)

Click here to see answer by stanbon(75887)

Question 99625: you are in charge of building the roof for a warehouse. it is a requirement that the pitch or slope of the roof rises at least 3 feet for every 15 feet of horizontal distance.
a. what is the required pitch of slope of the roof?
b. if the warehouse is 120 feet wide, what is the minimum required height of the roof?
c. use the pythagorean theorem to determine the lenght of one side of the roof.
d. explain how a roof height of 15 feet meets the required pitch for the roof.
Click here to see answer by stanbon(75887)

Question 99740: Simplify 72;90
Click here to see answer by checkley71(8403)

Question 99889: Can you please help me solve this problem: A manufacturer sells a product at $8 per unit, selling all that is produced. Fixed cost is $5000 and variable cost per unit is 22/9 dollars. Find the total output and revenue at the break-even point. Find the ouput required to obtain a profit of $10,000.
Thank you, I really appreicate your help
Click here to see answer by checkley71(8403)

Question 99927: Find the quotient of the two fractions. Express your answer as a simplified improper fraction.
7/3 divided 20/21

Click here to see answer by checkley71(8403)

Question 99932: Evaluate 8.3 to the power of 5
Click here to see answer by stanbon(75887)

Question 99930: Change the following percent to a fraction
51%
My guess here is 51/100 is this right?
Click here to see answer by stanbon(75887)

Question 99930: Change the following percent to a fraction
51%
My guess here is 51/100 is this right?
Click here to see answer by checkley71(8403)

Question 99928: Find the difference
9/11 - 1/6
Click here to see answer by stanbon(75887)

Question 99928: Find the difference
9/11 - 1/6
Click here to see answer by checkley71(8403)

Question 99926: Which of the following numbers are composite?
79, 41, 5, 64
Click here to see answer by checkley71(8403)

Question 99926: Which of the following numbers are composite?
79, 41, 5, 64
Click here to see answer by doukungfoo(195)

Question 100126: True or False
5+(7+8)=(5+7)+8
Click here to see answer by checkley71(8403)

Question 100128: divide if possible
0/-3
Click here to see answer by checkley71(8403)

Question 100130: Evaluate
6a+2b if a=7 and b=7
Click here to see answer by checkley71(8403)

Question 100131: combine the like terms
7xy-8xy+10xy
Click here to see answer by checkley71(8403)

Question 100127: -(12)+6=
Click here to see answer by checkley71(8403)

Question 100255: From the information in the table providing values of f(x) and g(x), evaluate (f o g)^-1 (2)
x 1 2 3 4 5
f(x) 3 4 5 1 2
g(x) 5 4 2 3 1
Click here to see answer by stanbon(75887)

Question 100390: Solve and check
10(x-7)-3x=x+2
Click here to see answer by elima(1433)

Question 100638: Are lines L1 through points (-3,2) and (0,4) and L2 through points (2,3) and (5,1) perpendicular?
Click here to see answer by checkley71(8403)

Question 100639: Find the slope of all lines perpendicular to the line given by 5x+y=5
Click here to see answer by tutorcecilia(2152)

Question 100640: Write the equation of the line passing through (7,4) and (14,12)
Click here to see answer by checkley71(8403)

Question 100637: Decide which of the two methods for graphing lines------the intercept method or the splope intercept method-----is more appropricate for graphing the equation
4x-9=39
Click here to see answer by tutorcecilia(2152)

Question 100635: Write the equation of a line with slope -5/6 and y-intercept (0,-5)
Click here to see answer by checkley71(8403)

Question 100633: Find the slope and y-intercept of the equation
y=-1/7x-10
Click here to see answer by checkley71(8403)

Question 100633: Find the slope and y-intercept of the equation
y=-1/7x-10
Click here to see answer by tutorcecilia(2152)

Question 100858: let f(x)=2x+1 evaluate f as indicated f(5+h)
Click here to see answer by stanbon(75887)

Question 100855: Evaluate the expression x4 -9x2+4x+8 for x=0
(the 4 and 3 are up high to the left of the x and -9)
Click here to see answer by stanbon(75887)

Question 100854: Describe the graph of 3x+y<1
a) a dotted line with shading below the boundary line 3x+y=1
b) a solid line with shading abouve the boundary line 3x+y=1
c) a solild line wtih shading below the boundary line 3x+y=1
d) a dotted line with shading above the boundary line 3x+y=1
Click here to see answer by stanbon(75887)

Question 100852: Write the equation of the line through points (-5,2) and (3,6)
Click here to see answer by vincy_fyah(4)

Question 101046: solve a literal equation for one of the variables:
1. solve for y:2x+3y=9
2. solve for x: 5x+4y+20=0
3. solve the formula for L:P=2L+2W
4. solve the formula for R: E=IR
simply expression with rational exponets
5. simplify: (b with neg.2/3 power)neg.6th exponet
6.simplify: square root of 16a to the 4th power

Click here to see answer by stanbon(75887)

Question 101102: Solve the system;
3x+y=15
4x+y=19
Click here to see answer by checkley71(8403)

Question 101105: A 29-ft board is cut into two peices, one of which is 13ft longer than the other. How long is each peice?
Click here to see answer by checkley71(8403)

Question 101100: Solve by graphing;
4x+y=16
4x+y=20
Click here to see answer by checkley71(8403)

Question 101101: Solve the system;
x+y=20
x-y=8
Click here to see answer by checkley71(8403)

Question 101104: Solve the system;
4x-y=2
-16x+4y=-5
Click here to see answer by checkley71(8403)

Question 101140: Solve the system
3x+4y=23
2x-5y=23
Click here to see answer by checkley71(8403)

Question 101138: Solve by substitiution
4x+6y=8
y=4x-22
Click here to see answer by checkley71(8403)

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