Questions on Algebra: Inverse operations for addition and multiplication, reciprocals answered by real tutors!

Tutors Answer Your Questions about Inverses (FREE)

Question 4605: what is the reciprocal of 3 5/8?
Click here to see answer by guapa(62)

Question 5051: Could you send me some Alebra 1 questins. I would like to see where I am. It would be good if you send me multiple questions with different degrees of difficulty. If I do not understand some questions I will get back to you. I hope you can help me.
-Paaras Chand
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Question 5992: The sign of the sum of two negative numbers is,...
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Question 5991: If two numbers have opposite signs, their quotient is,...

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Question 6031: If two numbers have opposite signs, their product is,...
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Question 6036: The reciprocal of -2 is,..
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Question 6034: Dividing by n is the smae as multipling by,...
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Question 6033: If two numbers ave the sam esign, the product is,...
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Question 5989: If two numbers have the same sign, their quotient is,...

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Question 6039: 2x+5=13,...
3x-15=9,..
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Question 6041: 3/4x-5=4,..
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Question 6038: -300=15x,..
1/2x=3 5/6,..
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Question 5988: If two numbers have the same sign, the product is,...
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Question 5987: Dividing by n is the same as multiplying by,...
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Question 6057: If a number is increased by 21, the result is 30. What is the number?
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Question 6057: If a number is increased by 21, the result is 30. What is the number?
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Question 6059: Find three consecutive numbers whose sum is 60.

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Question 6060: The perimeter of a rectangle is 420 inches. The width is 4 inches less than the length.
What is the length of the rectangle?
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Question 6063: List 5 ways you can transform equations into equivalent equations.

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Question 6061: Find the number which is 150 greater than it's opposite.
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Question 6042: 3x + 2
------ =7
2
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Question 6056: 24x+5=12x+41,...
3(x+5)=4,...
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Question 6058: 2/3x=24,...
3(x-5)+7=16,...
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Question 6058: 2/3x=24,...
3(x-5)+7=16,...
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Question 6075: 1) The expression x5 means,....
2) Inthe expression xn, n is called the,... and x is called the,....
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Question 6078: Evaluate each of the following if a=3 and b=4.
1)(ab)2
2)ab2
3)(a-b)3
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Question 6079: Writ each expression in exponential from.
1) x.x.y.y.y
2) a.b.b.a.a.a
3) x.(-x).y.y.y
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Question 6085: Simplify.
1) (ab)3
2) (-3x)2
3) (-x2)3
4) -3x(x2+2)
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Question 6086: Simplify.
1) (x+2)(x+3)
2) (2x-5)(3x+2)
3) (2x+5)(x2-x-2)
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Question 6091: 2/3(36x-6)=68
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Question 6090: In the period of a year, an investor lost twice as much as he gained. If he originally had $10,000 and now has $8,000, what amount did he gain abd what did he lose?
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Question 6095: 1) list 5 prime numbers.
2) find the prime factors of 624.
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Question 6095: 1) list 5 prime numbers.
2) find the prime factors of 624.
Click here to see answer by CharStar(110)

Question 6098: Find the missing factor.
1) 6x4=(3x3)( )
2) -35x2y=(-5xy)( )

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Question 6096: List all pairs of factors of each integer.
1) 18
2) 30
3) 17
4) -8
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Question 6100: Find the following products.
1) (x+5)(x+2)
2) (x-2)(x-2)
3) (x+5)(x-12)
4) (3c-4d)(2c+5d)
5) (5x-3)(3x-8)
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Question 6103: solve by factoring.
1) x2-5x+6=0
2) 2x2-9x-5=0
3) 3x2+5x-2=0
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Question 6103: solve by factoring.
1) x2-5x+6=0
2) 2x2-9x-5=0
3) 3x2+5x-2=0
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Question 6104: A rectangle is 4 times as long as it is wide. A second rectangle is 5 centimeters longer and 2 centimeters wider than the first. The areaof the second rectangle is 270 sq. centimeters greater than the first. What are the dimentions of the original rectangle?
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Question 6083: Add.
1) 3x=4
x-6
----
2) 2x-1
-x+1
----
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Question 6102: Factor each of the following.
1) 4x2+7x-2
2) 16y2=25
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Question 6106: subtract the lower polynomial from the upper one.
1) 6x+9
-2x+4
------
2) 2x2y-5xy2+2
-x2y+2xy2+2
------------

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Question 6101: Factor each of the following.
1) a2-9
2) 4a2-4a+1
3) y2+16y+64
4) 81r2 -36rs +4s2
5) x2 +3x+2
6) x2+8x+12
7) 72 - 22x+x2
8) x2 +x-6
9) x2-5x-24
10) 3x2+11x+10
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Question 6167: how to write algebraic expression? ex;

7 less than 4 times a number

11 more than half a number
5 mmore than the product of a number and 3
1/2 the difference of a number and 15
I had this in my algebra test last month but I can't remember how to do it nor can I find it in my algebra book. Im a mom helping a child tonight but we are stumped. also im stuck on (reciprocals) 9/8, -3y/5, -2.45 and last but not least (solve) -t/12=2/3, 9a-7a=4 ???? thank you in advance for any help you provide

Click here to see answer by glabow(165)

Question 6377: I don't have my book yet and my pretest question asks:
Find the inverse of: f(x)= x/4 (x over 4). I have no idea what inverse means pertaining to fractions. Thank you!!
Allison
Click here to see answer by Mike(39)

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