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How do you solve the following system: #x3y=20 , 6x + 5y = 4 #?

If #x+2y= 5 and x= 7/6#, determine the value of #y# ?

How do you solve the equation #3x  9 = 48#?

How to solve (49x^2)^3/2 ÷ (9y^4)^3/2?

If x28x1=0 then prove that x2+1/x2 ?

Write a system of equations to represent this problem and determine the unit price of each item purchased? Define your variables.

How do you solve #8x^25=4x#?

How do you rewrite #140^(1/8)# in radical form?

The copier company supplies 16 reams of paper for $55.84. What is the price per ream?

How do you solve #xy  3x = 40#; #x= 5#?

Eleven is equal to the quotient of seven and a number. What is the number?

How do you solve #m 5 3= 20#?

How do you factor #2x ^ { 2}  5a x + 2a ^ { 2}#?

Twofifths of photographs are black and white. The rest of the photographs are color. What is the ratio of black and white to color photographs?

The product of two numbers is 1,360. The difference of the two numbers is 6. What are the two numbers?

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

If y varies directly as x and y=3 when x= 2, find y when x=8?

How do you solve #4( 6+ x ) + 2x = 33#?

Solve ?7x3(4+x)=28

How do you solve the following linear system: #x+y=1, 2x3y=12#?

How do you solve #\frac { v } { 5} + \frac { 2} { 3} = \frac { 6} { 5} + \frac { v } { 15}#?

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?

How do you translate "91 more than the square of a number" into an algebraic expression?

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?

Simple Interest?

Question #f53ce

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}#?

Question #6725f

If 30% of r is equal to 75% of s, what is 50% of s if r=30?

Factor completely?

Finding Measures?

The perimeter of a semicircle is 25.7 kilometers. What is the semicircle's diameter?

The distance from the crest of one wave to the crest of the next wave is the ?

Speed distance time?

What is the percent of change? initial value:40 Final value:120

The answer is given below someone show the calculation pleases?! I am stuck at this question

Question #a5d20

How do you solve the system of equations #4x  5y = 25# and #  7x + 3y = 8#?

Question #244d9

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?

Question #05e58

AND gate is formed by using two?
1)OR
2)NAND
3)NOT
4)NOR

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?

Question #1d775

Question #715ca

Solve for the currents through each resistor? And the voltages across each resistor? Including the each power?

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?

Question #e6f05

Question #481b4

Question #2dc91

Question #89fd2

Question #9f23c

Question #a0eaf

Question #30549

How do you simplify #( 8m + 3) + 3#?

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?

How do you simplify #(y ^ { 9} ) ^ { \frac { 1} { 2} } ( p ^ { 9} ) ^ { 0}#?

Question #aeb96

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?

Question #05787

Question #428d9

What is another name for the first law of motion?
thank you

Question #34e08

How do you simplify #(380) + 38 + 380 div (38)#?

Question #a087a

Question #bb39b

Question #e3826

Solve the simultaneous equations
#2x+y=8.......................................(1)#
#4x^2+3y^2=52.......................(2)#
?

Question #2861c

How do you simplify #((x^1y^3)/(x^5y^8))^3#?

How do you solve the system of equations #6x + 5y = 8# and #x + 5y =  13#?

Question #f7758

Question #90154

If LMNO is a parallelogram, what are the values of x and y if #ON=5x7, LM = 4x +4, and NM = x7#?

How do you multiply and simplify #\frac { y ^ { 2}  4} { y ^ { 2} } \cdot \frac { y ^ { 2}  2y } { y ^ { 2} + 7y  18}#?

How do you evaluate #\frac { b ^ { \frac { 2} { 2} } } { 4b ^ { 2} }  \frac { 2b ^ {  3} } { 4b ^ { 2} }#?

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 1400W blow dryer is used for 10 min?

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?

How do you evaluate #\frac {  3x } { 7}  \frac { 4} { 5} = \frac {  10x + 15} { 5}#?

Question #09bb3

Question #f19cb

How do you evaluate #2\frac { 3} { 4} \times 1\frac { 6} { 7} \times 5\frac { 3} { 8}#?

Question #611bb

How do you solve this system of equations by substitution: #  x+y = 40 and y = 9x#?

Question #f76ca

How do you rewrite the equation for #f#: #r^2  5hf = Tf#?

How do you express #81/9# as a power of 3?

How do you solve this system of equations: #c+ d = 22 and 4c + 2d = 56#?

Question #682d3

How do you solve the system of linear equations #5x  4y = 6# and #2x + 3y = 2#?

How do you combine #\frac { 1} { x  3} + \frac { 1} { ( x  3) ^ { 2} }  \frac { 1} { ( x  3) ^ { 3} }# into one term?

Constant of variation?

Question #acd95

Question #fe5ff

How do you solve #3(x+8)24=96x#?

Question #f209e

Question #96e0e

Question #9133b

Question #de326

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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