Solve the system of equations by using elimination. -2x 3y - 57 6x + 15y 237 If there is one solution, give it as an ordered pair. If there are infinitely many solutions, enter by typing oo. If there is no solution, enter DNE.

Q: (i) 3mn, – 5mn, 8mn, – 4mn (iii) – 7mn + 5, 12mn + 2, 9mn – 8, – 2mn – 3 (v) 14x + 10y – 12xy – 13, ...

A: Given that: 3. (i)-5y2 from y2    (iii)(a-b) from (a+b)      (v)-m2+5mn from 4m2-3mn+8     NOTE: As ...

Q: Solve the system. 1/3x+1/5y=7 1/6x-2/5y=-4

A: follow the procedure given below.

Q: 2. 81x4 16у8 b4

A: (a2-b2) =(a-b)(a+b)

Q: Fill in the blank. 4,502% = 4(1,000) + +2 %3D

A: We can fill up the blanks as per number rules as below

Q: Simplify f(x). x² - x - 20 f(x) x2 . - 2x - 15 (x – 5)(x+ 4) f(x) = (x – 3) (x + 5) for x * 0

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Q: 3. The time t to finish a job varies inversely as the number of people n working. It takes 10 hours ...

A: Time and work

Q: Determine if the statement is true or false. If it is true, explain why. If it is false, provide a c...

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Q: A water park has pools, slides, and rides that, in total, make use of 4.1 × 106 gallons of water. Th...

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Q: From a point on the South Rim of a​ canyon, it is found that the angle of elevation to a point on th...

A: Given:- From a point on the South Rim of a​ canyon, it is found that the angle of elevation to a poi...

Q: In an island of Knights (who always tell the truth) and Knaves (who always tell a ie), you met 6 inh...

A: To determine, who of the six inhabitant are knights.

Q: Which of these statements is/are TRUE? I. If sec A is undefined, then cos A = 0. %3D II. If tan B = ...

A: Sec(A)=1/(Cos(A)) And when A=90 ,cos(A) = 0 and sec(A)= infinite.

Q: 12. For each part, use the graph given to determine the solution. Write the solution using math nota...

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Q: Use a double integral in polar coordinates to find the area of the region bounded by the graph of th...

A: We have to find the area.

Q: 1. Let f (x) = 2x² – x – 1 and let g(x) = x – 1 Which statement is true?

A: Given, f(x)=2x2-x-1 and g(x)=x-1  

Q: Going Round-Trip with the World's Fastest Land Animal According to the Travel Almanac, the world's f...

A:

Q: 5- What is the least possible degree of the polynomial graphed above? 3.

A: To find : Least possible degree of the polynomial by seeing the graph  

Q: 8. Vertex: (0,0); Opens down; Distance from vertex to focus: 1 unit

A:

Q: Let f (x) = 5x, g(x) = 2x² + 1, & h (x) = 6x + 2., find (go f) (x). Show your work using the Equatio...

A: fx=5x, gx=2x2+1, hx=6x+2

Q: 4. 1. 2 3 4 5 6 S- 9- =4 tf Write the domain of the function using interval notation. Question Help:...

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Q: Find the domain and range of the function graphed below. -2 t-5 to Domain: Range: Question Help: D V...

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Q: Solving Quadratic Equations by the Square Root Me 10. (3x+6) - 18 = 0 12. 2x2 - 5 = -35

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Q: A. 0. 1 5. y=x+1 -2 -1 1 9.

A: Graph the function  y= x+1 

Q: Check Understanding nte an explicit rule for the geometric sequence. Then find the indicated term of...

A: NOTE: Refresh your page if you can't see any equations. . the first term is   

Q: An art teacher enlarged the area of a copy of a painting by 49%. Let d represent the area of the ori...

A: Given that d represents area  and new area is enlarged area of painting by 49%

Q: 1. Identify the necessary condition in each of the following pairs: It has four sides. Seeing viruse...

A: Solution is here

Q: Evan has x pennies and y nickels. He has no less than 20 coins worth no more than $0.75 combined. So...

A: The total number of coins are x+y             Since there are no less than 20 coins                 ...

Q: 1. Find the limit of the following: x* – 11x' +37x* +6x' – 297x² + 621x – 405 A. lim x* – 11x +47x-1...

A: note : as per our company guidelines we are supposed to answer only one question.kindly post other q...

Q: The population for the Region of Waterloo as recorded in the census of 2016 was 589,000. Estimates f...

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Q: Use the graph below to fill in the missing values. 5- 4 2- f(x} -1 2 f(0) %3D f(x) = 0 x = f(0) = 3.

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Q: Write a recursive rule for the geometric sequence shown on the graph. 7. 200 fn), 8. 10 (1, 10) 160 ...

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Q: 4) a) Write an equation that has exactly one solution: b) Write an equation that has exactly two sol...

A: 4)  a) Equation that has exactly one solution              3x+2=5             This equation has  exa...

Q: 1. Express each of the following statements as a formula. kx Z = variations. Remember the formula fo...

A: As per company guidelines we can solve first question. I hope that the given solution will help you....

Q: Which of the following is not considered a greedy algorithm? Nearest neighbor algorithm Repeated Nea...

A: Given:   Statement: Not considered a greedy algorithm Nearest neighbor algorithm Repeated Nearest ne...

Q: T-3 A =| 3 01 -3 4 -9 ol 1. B = l-2 3 1 C =|-2 -2 D = 6 ) 7 10 3 [3 0 F = 0 6 Lo o -3. -4 5 2 20 2 -...

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Q: Given h (x) = (x +1)² + 2 (x + 1) – 3, determine two functions f (x) & g (x) which, when composed, g...

A: Given h(x)  we will find f(x) & g(x ) as shown below

Q: 6. x + 4 1 X +4 2.

A: After simplifying the given complex fraction we get  (x + 16)/(3x + 30)

Q: 2. Identify the sufficient condition in each of the following pairs: It is a consumer. It is a ratio...

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Q: 6.1 x 10 bacteria are measured to be in a dirt sample that weighs 1 gram. Use scientific notation to...

A: We have to find number of bacteria.

Q: 4) A ladder is placed against a tree. The bottom is located 5 feet from the base of the tree and the...

A: use height and distance and trigonometric function for finding the angle

Q: n a civil lawsuit, a plaintiff was awarded damages of $15,000 plus $5000 in interest for a period of...

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Q: Given 4 numbers with the sum of 9 900 let the second exceed the 1st by 1/7th ,let the third exceed t...

A:

Q: Island Size 12 |11 19 21 42 |13 23 28 |(hectares) Puffin Pop. 120 38 60 104 130 229 63 |111 132 Find...

A: Solution : Island size(hectares) Puffin population 21 120 12 38 11 60 19 104 21 130 4...

Q: 2x2 + 104 = 28x %3D

A:

Q: GRAPHING wA: SUBSTITUTION Directions: Solve each given system of equations by graphing and subs If d...

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Q: Let f(x) = a If g(x) is the graph of f(x) shifted right 1 units, write a formula for g(x) g(x) =

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Q: A rectangular parallelepiped with an altitude of 10 cm have its width decreasing by 2 cm/ min and le...

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Q: 4a. e4x – e4y 4b. 15x² + 7xy 8y² -

A: 4a)   e4x-e4y         e4·ex-e4·ey       ⇒e4ex-ey      Thus factorize form is  e4ex-ey

Q: If f is invertible and f(4) = 14, then f(14) = and (f(4)) - %3D

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Q: Solve the system of equations - 7x 2y = - 163 |3D | -6x +6y 462 by converting to a matrix equation a...

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Q: A cube made of granite has a volume of 686x'y ft' when its side length is 7xy ft. What expression re...

A: Volume of cube=686x5y4Side length=7x2y