Answers created by Pallu
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How do you solve the following system: #x-3y=20 , -6x + 5y = 4 #?
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If #x+2y= -5 and x= 7/6#, determine the value of #y# ?
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How do you solve the equation #3x - 9 = 48#?
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How to solve (49x^2)^3/2 ÷ (9y^4)^3/2?
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If x2-8x-1=0 then prove that x2+1/x2 ?
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Write a system of equations to represent this problem and determine the unit price of each item purchased? Define your variables.
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How do you solve #8x^2-5=-4x#?
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How do you rewrite #140^(1/8)# in radical form?
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The copier company supplies 16 reams of paper for $55.84. What is the price per ream?
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How do you solve #xy - 3x = 40#; #x= 5#?
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Eleven is equal to the quotient of seven and a number. What is the number?
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How do you solve #m- 5- 3= 20#?
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How do you factor #2x ^ { 2} - 5a x + 2a ^ { 2}#?
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Two-fifths of photographs are black and white. The rest of the photographs are color. What is the ratio of black and white to color photographs?
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The product of two numbers is 1,360. The difference of the two numbers is 6. What are the two numbers?
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3/8 of a circle is coloured red. I cannot remember what colours the rest of the circle was. What might the circle look like?
Thanks
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If y varies directly as x and y=3 when x= 2, find y when x=8?
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How do you solve #4( 6+ x ) + 2x = 33#?
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Solve ?7x-3(4+x)=28
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How do you solve the following linear system: #x+y=1, 2x-3y=12#?
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How do you solve #\frac { v } { 5} + \frac { 2} { 3} = \frac { 6} { 5} + \frac { v } { 15}#?
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The perimeter of a rectangular flower garden is 60m and its area is 225 m^2. How do you find the length of the garden?
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How do you translate "91 more than the square of a number" into an algebraic expression?
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If r varies inversely as t, but directly as the square of m. if r=32 when m=8 and t=2, find r when m=6 and t=5?
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Simple Interest?
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Question #f53ce
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How do you solve this system of equations: #-\frac { 1} { 2} x + \frac { 1} { 5} y = 9 and 7x - \frac { 1} { 3} y = - \frac { 2} { 3}#?
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Question #6725f
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If 30% of r is equal to 75% of s, what is 50% of s if r=30?
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Factor completely?
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Finding Measures?
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The perimeter of a semicircle is 25.7 kilometers. What is the semicircle's diameter?
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The distance from the crest of one wave to the crest of the next wave is the ?
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Speed distance time?
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What is the percent of change? initial value:40 Final value:120
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The answer is given below someone show the calculation pleases?! I am stuck at this question
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Question #a5d20
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How do you solve the system of equations #4x - 5y = 25# and # - 7x + 3y = 8#?
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Question #244d9
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The length of a rectangle is four times the width. If the width is represented by x, then build a variable expression that describes the length?
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Question #05e58
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AND gate is formed by using two?
1)OR
2)NAND
3)NOT
4)NOR
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A right triangle has sides A, B, and C. Side A is the hypotenuse and side B is also a side of a rectangle. Sides A, C, and the side of the rectangle adjacent to side B have lengths of #11 #, #6 #, and #13 #, respectively. What is the rectangle's area?
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Question #1d775
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Question #715ca
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Solve for the currents through each resistor? And the voltages across each resistor? Including the each power?
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Zoe has a total of $4,000 invested in two accounts. One account pays 5% interest, and the other pays 8% interest. How much does she have invested in each account if her total interest for a year is $284?
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Question #e6f05
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Question #481b4
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Question #2dc91
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Question #89fd2
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Question #9f23c
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Question #a0eaf
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Question #30549
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How do you simplify #-( 8m + 3) + 3#?
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Nick can throw a baseball three more than 4 times the number of feet, #f#, that Jeff can throw the baseball. What is the expression that can be used to find the number of feet that Nick can throw the ball?
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How do you simplify #(y ^ { 9} ) ^ { \frac { 1} { 2} } ( p ^ { 9} ) ^ { 0}#?
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Question #aeb96
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The number of cars (c) in a parking lot increases when the parking fee (f) decreases. How do you write the correct equation for this scenario, and solve for the number of cars when the fee is $6?
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Question #05787
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Question #428d9
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What is another name for the first law of motion?
thank you
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Question #34e08
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How do you simplify #(-380) + 38 + 380 div (-38)#?
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Question #a087a
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Question #bb39b
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Question #e3826
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Solve the simultaneous equations
#2x+y=8.......................................(1)#
#4x^2+3y^2=52.......................(2)#
?
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Question #2861c
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How do you simplify #((x^-1y^3)/(x^5y^8))^3#?
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How do you solve the system of equations #-6x + 5y = 8# and #x + 5y = - 13#?
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Question #f7758
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Question #90154
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If LMNO is a parallelogram, what are the values of x and y if #ON=5x-7, LM = 4x +4, and NM = x-7#?
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How do you multiply and simplify #\frac { y ^ { 2} - 4} { y ^ { 2} } \cdot \frac { y ^ { 2} - 2y } { y ^ { 2} + 7y - 18}#?
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How do you evaluate #\frac { b ^ { \frac { 2} { 2} } } { 4b ^ { 2} } - \frac { 2b ^ { - 3} } { 4b ^ { 2} }#?
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The formula E=Pt gives the energy, E watt hours, used when an electrical appliance of power P watts is used for t hours. What is the energy used in this situation: A 1400-W blow dryer is used for 10 min?
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Matthew has two different stocks. One is worth $9 more per share than the other. He has 17 shares of the more valuable stock and 42 shares of the other stock. His total assets in stocks is $1923. How much is the more expensive stock per share?
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How do you evaluate #\frac { - 3x } { 7} - \frac { 4} { 5} = \frac { - 10x + 15} { 5}#?
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Question #09bb3
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Question #f19cb
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How do you evaluate #2\frac { 3} { 4} \times 1\frac { 6} { 7} \times 5\frac { 3} { 8}#?
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Question #611bb
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How do you solve this system of equations by substitution: # - x+y = 40 and y = 9x#?
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Question #f76ca
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How do you rewrite the equation for #f#: #r^2 - 5hf = Tf#?
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How do you express #81/9# as a power of 3?
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How do you solve this system of equations: #c+ d = 22 and 4c + 2d = 56#?
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Question #682d3
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How do you solve the system of linear equations #5x - 4y = 6# and #2x + 3y = 2#?
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How do you combine #\frac { 1} { x - 3} + \frac { 1} { ( x - 3) ^ { 2} } - \frac { 1} { ( x - 3) ^ { 3} }# into one term?
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Constant of variation?
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Question #acd95
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Question #fe5ff
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How do you solve #3(x+8)-24=9-6x#?
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Question #f209e
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Question #96e0e
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Question #9133b
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Question #de326
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How do you simplify #\frac { [ x ^ { 2} \cdot y ^ { - 6} ] ^ { 3} \cdot z ^ { 4} \cdot a ^ { - 9} } { a ^ { 10} \cdot a x ^ { 2} y ^ { - 2} }#?
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