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Q: Solve the following system of equation graphically x + 2y = 1, x – 2y = -7, also read the points fro...

A: Given,

Q: Suppose you start with a number. You multiply the number by 3, add 7, divide by ½, subtract 5, and t...

A: Let ‘x’ be the number to start with. Then the given information can be written in the mathematical e...

Q: The cost of two kg of apples and 1 kg of grapes on a day was found to be Rs. 160. After a month the ...

A: Assume that, the price of apple per kg is x and the price of grapes per kg is y.From the given infor...

Q: C of linear equations has unique solution, no solution, or infinitely many solutions?In case there i...

A: The given equation are,

Q: A train covered a certain distance at a uniform speed. If the train would have been 10 km/h faster, ...

A: Let the speed of the train be x km per hour and time taken be y hours.Then

Q: The square root of a number plus two is the same as the number. What is the number?

A: Let the number is x.Square root of x = sqrt(x)

Q: Mo is on a baseball team and hears that a ball thrown at a 45 degree angle from the ground will trav...

A: We know that,

Q: You are raising money for a charity. Someone made a fixed donation of 500. Then, you require each pa...

A: Given:You are raising money for a charity. Someone made a fixed donation of 500. Then, you require e...

Q: if r=6 when s=1/3, find r when s=1

A: Click to see the answer

Q: What is the equivalent fraction for 2/3?

A: Consider the fraction 2/3.

Q: Duke takes a car in for basic service. The service agent says a few extra repairs are needed, so Duk...

A: According to the given information, the cost for repairs are as follows:Cost of wheel alignment = $8...

Q: Form the pair of linear equations in the following problems and find their solutions (if they exist)...

A: Let x be number of correct answers and y be the number of wrong answers.

Q: Let V = R2 and let 2, Find the Fourier coefficients of (3, 4) relative to ß.

A: It is given that,

Q: What is the measure fo angle PKO if the measure of angle PKM is 135 degrees?

A: Given,

Q: In April 2011, Consolidated Edison (ED) stock cost $50 per share and yielded 5% per year in dividend...

A: Let there are x ED shares and y NGG shares.ED share and NGG share both costs $50 eachYou have inves...

Q: Simplia Qach expression 63.To C222) 657 Cm+5)+b 67 318 ('bn * +32 27 Propery to rewrte Sums a s dist...

A: Given,

Q: The length of a rectangular prism is quadrupled, the width is doubled, and the height is cut in half...

A: Given that, the length of the prism is quadrupled, the width is doubled and the height is cut into h...

Q: Explain how to graph x2 + y2 = 1.

A: Given:Explain how to graph x2 + y2 = 1.

Q: (−a+1)(5a+6)

A: To determine the product of the factors.

Q: The sum of two numbers is 16. The difference is 4. What are the two numbers?

A: Let x and y be the required numbers.

Q: The cost per watt, in dollars, of installed solar panels in the United States t years after 2000 can...

A: Given:The cost per watt, in dollars of installed solar panels in United State t years after 2000Can ...

Q: 4x-3>21 or -3x>-9

A: To determine the solution of the inequality.

Q: Does the given pair of linear equation has unique solution, no solution, orinfinitely many solutions...

A: Given, pairs of linear equation.

Q: 3b2+16b+5 I don't understand what to do with the 3 after I factor

A: To factor3b2+16b+5Break the expression into groups

Q: On a steep mountain road the elevation dropped at the rate of 9 feet per 60 feet. Using signed numb...

A: Here we have to find the rate at which the road dropped per

Q: A chicken farmer surveyed his flock with the following results (Assume that all chickens are thin or...

A: Consider the provided information, a chicken farmer surveyed his flock and found the following resul...

Q: The half-life of a medication prescribed by a doctor is 6 hours. How many mg of this medication is l...

A: The medicine is decaying exponentially. Use the half-life formula to calculate the medicine left aft...

Q: Twice a number plus the square root of the number is twelve minus the square root of the number.

A: According to the given information:Let the number be ‘x’So, according to given question:

Q: if you are going 279 miles and your car gets 28 miles to the gallon. and a gallon of gas is $2.33 a ...

A: Obtain the amount of gas used as follows.

Q: Vera and Vikki are sisters. Vera is 4 years old and Vikki is 13 years old. What age will each sister...

A: Given that Vera is 4 years old and Vikki is 13 years old. Obtain the age of each sister when Vikki i...

Q: An employer pays 15 dollars per hour plus an extra 5 dollars per hour for every hour worked beyond 8...

A: According to the given information:Let ‘x’ be the number of hours an employee work and t(x) be the t...

Q: There are 40 pigs and chickens in a farmyard. Joseph counted 100 legs in all. How many pigs and how ...

A: Let x be the number of pigs and y be the number of chickens.

Q: A Web music store offers two versions of a popular song. The size of the standard version is 2.7 meg...

A: Given:Size of standard version = 2.7 MBSize of High Quality version = 4.4 MBLet the number of standa...

Q: Let A ϵ Mnxn (F) be nonzero. For any m(1≤m≤n), an m x m submatrix of A is obtained by deleting any n...

A: Let A be a n x n nonzero matrix.

Q: A matrix B in Mnxn (C) is called skew-symmetric if Bt= -B. Prove that if B ϵ Mnxn (C) is skew-symmet...

A: Let B be skew-symmetric matrix of order n, where n is odd, then we have

Q: The present age of Jacob’s father is three times that of Jacob. After 5 years, sum of their ages wou...

A: Given The present age of Jacob’s father is three times that of Jacob. After 5 years, sum of their ag...

Q: Write the standard equation for each circle center at (3,5) passing through the origin

A: Formula used:The standard form for the equation of the circle is

Q: If in a rectangle the length is increased and breadth is decreased by 2 units each, the area is redu...

A: Click to see the answer

Q: Draw the graph of the following logarithmic function, and analyze it completely: f(x) = − log(x − 3)

A: Consider the given function.

Q: Manufacturing. Bright Ideas is planning to make a new kind of lamp. Fixed costs are $90,000, and var...

A: Given:

Q: I am a two-digit number whose digit in the tenth place is 1 less than twice the digit in the ones pl...

A: Assume that the digit at ones place be ‘x’ and the digit at tens place be ‘y’. the given information...

Q: Solve the polynomial inequality and graph the solution set on a real number line. Express the soluti...

A: Click to see the answer

Q: Evaluate for b equals -6 b2+7b-5

A: Given: evaluate for b = - 6

Q: Hi, want to get from H down answered please.

A: Given,

Q: 2x+5=20

A: To solve

Q: The lengths of the sides of a triangle are in the ratio 4:3:5. Find the lengths of the sides if the ...

A: Let the first side of the triangle be ‘4x’.Let the second side of the triangle be ‘3x’.Let the third...

Q: A teacher gave the same test to two classes. In the class with 50 students, the mean score was 74. I...

A: Given:

Q: Franklin Clarence Mars invented the snickers bar and introduced it in 1930. More than 15million snic...

A: Given, Franklin Clarence Mars invented the snickers bar and introduced it in 1930. More than 15milli...

Q: Form the pair of linear equations in the following problems, and find their solutions graphically. 1...

A: To determine the number of boys and girls that took part in the quiz.