Solve the following systems of equations: Зх - 2у %315 a. x+2y =13 x* + 2y? = 33 b. x-y =1

Q: A 20 oz alloy of platinum that costs S220 per ounce is mixed with an alloythat costs S400 per ounce.…

A: Given: A 20-ounce alloy of platinum that costs $220 per ounce is mixed with an alloy that costs $400…

Q: Зх — у 3 1 y — 6х + 2у — -2 |

A: 3x-y=1      →1-6x+2y=-2   →2AX=B3-1-62 xy=1-2ρA:B~3-1  :1-6  2   :-2~3-1: 100:  0…

Q: Ryan and Marco each have an mp3 player. The ratio of Ryan's songs to Marco's songs was 9:4. When…

A: Given Ratio of Ryan's songs to Macro's songs was 9:4. Let Ryan's has 9x songs and Macro's has 4x…

Q: Find how many quarts of 5% butterfat milk and 2% butterfat milk should be mixed to yield 60 quarts…

A: Given,         5% butterfat milk and 2% butterfat milk should be mixed to yield 60 quarts…

Q: Find the solution to the system of equations. 4 y 2x+2 3 ([?], [ 1) 2 -4-3-2 /1 1 2 3 4 -2 -4 Enter

A: Answer

Q: The sum of the digits of a two-digit number is 8. If the ten’s digit is three times the one’s digit,…

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Q: tter fudge costs 33 cents. April has 2 dimes and 3 pennies. How many more pennies does she need to…

A: Introduction: We know the conversion of US currency is as follows: 1 penny=1cent and 1 dime= 10…

Q: A jumbo chocolate bar with a rectangular shape measures 12 centimeters in length, 7 centimeters in…

A: Given information: Length=12 cm width = 7 cm Thickness = 3 cm

Q: A mixture of 8% disinfectant is to be made from 7% solution and 15% solution. How much of each…

A:

Q: When gas prices are $2.98 per gallon, the annual supply for gas in New York State is 131 billion…

A:

Q: Find the solution to the system of equations.

A: The given graph is as follows:

Q: 21. {--2 y-- 2x + 4

A: System of the linear equation: - A system of equations in two variables having a unique solution, no…

Q: The manager of a specialty food store combined almonds that cost S4.50 perpound with walnuts that…

A: Let x lb of almonds and (100-x) lb of walnuts was mixed.  Almonds cost S4.50 per pound  So, x lb of…

Q: The rent of a condo unit was P1,200.00 for one night, to be shared equally by a group of friends,…

A: Given:   Data for girls is given

Q: Two workers, Ava and Bob, working 9 hours made 243 parts. Ava makes 13 parts in 1 hour. a. Write two…

A:

Q: A shop will mix two types of coffee which will be sold at a price rp. 28,000 per kilogram. The price…

A: 6 kg 1st type coffee mixed with 4 kg 2nd type coffee.

Q: The sum of three consecutive even numbers is 24.  What is the smallest of the three numbers?

A:

Q: The sum of two consecutive integers is 5,386. What are the integers?

A: Consider the first integer be "x". Then the  second consecutive integers is "x+1". The sum of two…

Q: Malcolm and Ravi raced each other. The average of their maximum speeds was 260 km/h. If doubled,…

A: We have to find the speed of Ravi and Malcolm

Q: Hazel collects 5-peso and 10-peso coins starting January of every year, to save up for her to exceed…

A:

Q: If seeding costs 47.50 per square meter and fencing costs 569.50 per meter, how much will it cost to…

A: Given: lengthl of rectangle is 70m, breadthb is 48m and radiusr of circle is 24m We know that total…

Q: Solve the system of equations: y = 2x +5 x = 4 O (4, -13) 0(-4, 13) O (4, 13) O(-4, -13)

A:

Q: Solve the following system of equations: y x25 45 y 4 3

A: Combine the given equation as follows.

Q: If the price of 35 tons of steel is RO 250,000. Find the cost of 900 kg (Kilogram) of steel.

A: Given that the price of 35 tons of steel is RO 250,000.

Q: Mariana solved a linear equation and found that it had an infinite number of solutions. Which could…

A: Given: Marina solved a linear equation and found that it had an infinite number of solutions.

Q: Find two numbers whose sum of 125 and a differes have diffelne of 75. a (Set up equations and solve)

A: 10 and 5 are those two numbers

Q: 10. 7x +2 y 24 8x +2y 30

A:

Q: A hiker is told to carry 2 cups of water for every 10 minutes spent walking. The hiker plans to hike…

A:

Q: Find how many quarts of 6% butterfat milk and 3% butterfat milk should be mixed to yield 45 quarts…

A:

Q: Find how many quarts of 4% butterfat milk and 1% butterfat milk should be mixed to yield 45 quarts…

A: Given that: 4% butterfat milk mixed with 1% butterfat milk to make 45 quarts of 2% butterfat milk

Q: Solve the system by substitution. 2а + 3у — 32 Y = x + 9

A: Given, 2x +3y = 32  y = x +9  We have to solve the system of equation by substitution.

Q: Solve the system of equations by subs y = x y = -x + 4

A: Given,y=xy=-x+4

Q: A goldsmith combined an alloy that costs $4.40 per ounce with an alloy that costs $1.90 per ounce.…

A: Given A goldsmith combined an alloy that costs $4.40 per ounce with an alloy that costs $1.90 per…

Q: In a certain electronic factory, the ratio of the number of male to female worker is 2:3. If one…

A: To find: The original number of workers in the factory. Given information: In a certain electronic…

Q: Solve the system by elimination. First, clear the denominators. 5х 5у 145 2 3 6 X у 31 4 3 12

A:

Q: Last year Matthia's uncle worked for the ducks.  therefore, matthias attended more home ducks games…

A: Given that Last year Matthia's uncle worked for the ducks. Let x be the paco attended games Matthias…

Q: Write a system of two equations in two variables to solve the problem. How many fluid ounces of…

A: Let x ounces of 6% sucrose solution and y ounces of 18% solution must be mixed, so…

Q: Find how many quarts of 4​% butterfat milk and 1​% butterfat milk should be mixed to yield 60 quarts…

A: Given: There are two types of butterfat milk that should be mixed to yield 60 quarts of 3% butterfat…

Q: The sum of the digits of a 3-digit number is 17. The hundred's digit is twice the unit's digit. If…

A:

Q: A mixture of 23% disinfectant solution is to be made from 16% and 26% disinfectnt solutions.  How…

A: Let x gallons of 16% solution is used. Total is 40 gallons So 40-x gallons of 26% solution is used.

Q: A goldsmith combined an alloy that costs $4.30 per ounce with an alloy that costs $1.80 per ounce.…

A: Given: A goldsmith combined an alloy that costs $4.30 per ounce with an alloy that costs $1.80 per…

Q: the average yearly salary of a construction worker is $11 thousand less than three times that of a…

A: Consider "x" is the average yearly salary of a construction worker and "y" is the average yearly…

Q: After driving for 2.2 hours (2 hours and 12 mintues), Marcos' total distance traveled was 153 miles.…

A: The time is 5 minutes, that is 5/60 = 1/12 hr and the remaining distance is 2 miles.

Q: A new self­tanning lotion for everyday use is to be sold. First, an experimental lotion mixture is…

A:

Q: Find the solution to the system of equations. 4 3 =2x +2 2 ([?], [ ]) -4 -3 -2 1 1 2 3 4 -3 yF+4 -4…

A:

Q: The Coffee Counter charges $11 per pound for Kenyan French Roast coffee and $10 per pound for…

A: Form the system of linear equations in two variables and solve them.

Q: 50. y" = (x + y')²

A:

Q: Solve the following system of equations: Va +y = 6 -- y = -6 O (0.6) and (9,3) O (0, -6) and (9,3)…

A: Given:               x+y=6-13x-y=-6 Let:             x+y=6                     .......i-13x-y=-6…

Q: By increasing her usual speed by 20 kilometers per hour, a bus driver decreases the time on a…

A: This question is related to speed, time and distance, we will solve it using given information.