10х + 6у + 5z = -7 10х + (16 — К)у+42 %3D —5 10х + 6у + (9 — k)z = k+ -5

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A: The quantity and price of first type seed is 9kg and $2.39/kg. The quantity and price of second type…

Q: A chemist wishes to make 100 liters of 3% acid solution by mixing a 2% solution with a 5% solution.…

A: A chemist wishes to make 100 L of an 3% acid solution by mixing a 2% acid solution and a 5% acid…

Q: Fred bought 5 liters of liquid laundry detergent, 3,250 milliliters of fabric softener, and 2.3…

A: State true or false for the above statements.

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A: Note: " Since you have asked multiple sub-parts, we will solve the first three sub-parts for you. If…

Q: -7.4v+2.4(-7.1v+-10)+6.7

A: simplified value is -24.44 v - 17.3

Q: -4(p+2)+8=2(p-1)-7p+15

A:

Q: (e) A chemist needs to make 2 tablespoons of a 15% solution from a 10% solution mixed with a 35%…

A: number of the spoon of 10% acid solution to be mixed = 1.6 number of the spoon of 35% acid solution…

Q: times

A:

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Q: 2 ( - 4)3 -dr - 8VT - 4+C (x – 4)/2

A:

Q: 4. y =-5cos| 2x+ +3 3

A: Consider the given function: y=-5cos2x+π3+3 Here, the objective is to find the domain and range of…

Q: A store sells cashews for $5.00 per pound and peanuts for $1.50 per pound. The manager decides to…

A:

Q: Three of the same cycles sell for $2,640. What is the dollar price of five of these same cycles?

A: Given that,Three of the same cycles sell for $2640 we have to calculate, what is thedollar price of…

Q: mel= m22 = 95 m26= 3. %3D mz3 = m L4=

A: Given angle are as below :

Q: 3/x+5/y=4 3/x-2/y=3

A: To solve the system of equation  3/x+5/y=4,   3/x-2/y=3 Take a=1x  and   b=1y equation becomes…

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A: Consider x as the amount of Earl Grey tea. The sum of Earl Grey tea and Orange Pekoe tea is 100…

Q: 5 X, + 3 X, + 2 X, = 11 4 X, + 8X, — 3 х, — 9 5 X, + 3 X, + 2 X = 15

A:

Q: 2. Determine the next equation and verify the result. 2^2 – 1^2 = 2 + 1 3^2 – 2^2 = 3 + 2 4^2 – 3^2…

A: Given 22-12=2+132-22=3+242-32=4+3

Q: The manager of a store that specializes in selling tea decides to experiment with a new blend. She…

A: Given: mixing some Earl Grey tea that sells for $5per pound with some Orange Pekoe tea that sells…

Q: 1. -4V6 - V6 = 5/10 2. -3V5 +2V5 = -15 3. -3V27 - 3 V27 - 3 27: -275

A: Authoring guidelines: As per the authoring guidelines, we can solve only the first three parts of…

Q: 2x*y=4 5. 8x7 y 1.. х9 . х-7 2.(2x³y-3)-2 3. (2cd*)?(cd)5 4. 5x?y(2x*y¬3)

A:

Q: Two factory plants are making tv panels. Yesterday, plant A produced 3 times as amnu panels as plant…

A: We have to find

Q: A company sells three types of products for $20, $15, and $10 per unit. In 1 year, the total revenue…

A:

Q: 4) y = v4 - 2x +5 5) y = v3x + 2 - 1 6)y = V2x + 7

A:

Q: Evaluate 2s+3 L-1 s²+4s+10)

A: This question is related to Laplace equation.

Q: A chemist needs to make 2 liters of a 15% acid solution from a 10% acid solution and a 35% acid…

A: Let x liter of 10% solution  and y liter of 35% solution used to make 15% of 2 liters

Q: Suppose that a chemist is mixing two acid​ solutions, one of 30​% concentration and the other of…

A: The two acid solutions are given, one is of 30% concentration and the other is of 40% concentration.

Q: A nut store normally sells cashews for $9.00 per pound and almonds for $3.50 per pound. But at the…

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Q: 3) 7x-y=-2 4) y=-4 4-3 2-1 4-3 2 -1

A: Below is the solution:-

Q: Jose is 10 years older than his brother Lando. However, y years ago Jose is twice as old as Lando.…

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Q: 2. z4+5²

A:

Q: 4 Find L-1 (s-5)3,

A: According to inverse transform rule, If L-1{F(s)}=f(t) then L-1{F(s-a)}=eatf(t)

Q: A, B and C are partners with C as the industrial partner. A contributed P50,000 and B contributed…

A:

Q: Find det(4). 1 2 2+a 3 3 3+a 3 4 4 4+a,

A: Remark:  Interchanging two rows or columns causes the determinant to switch sign. If we multiply a…

Q: The bank of France sells U.S dollars ($) at a rate of ($1.40)/(€1) and buys U.S dollars at a rate of…

A: We want to find how many U.S dollars will Sandra receive in exchange for €36. So, use that the bank…

Q: Find how many quarts of 5​% butterfat milk and 1​% butterfat milk should be mixed to yield 120…

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Q: One canned juice drink is 15​% orange​ juice; another is 10​% orange juice. How many liters of each…

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Q: Find how many quarts of 4​% butterfat milk and 1​% butterfat milk should be mixed to yield 30 quarts…

A: Let x be the number of quarts of 4% butterfat milk. So, the number of quarts of 1% butterfat milk…

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Q: 2(9x-4)^3/4-6=10

A:

Q: RJ&M Company manufactures furniture such as sofas and tables. In their current inventory, a total of…

A: Given: Total planks of wood left=48  P(x,y)=6x2y

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Q: 2s2-s+4 s(s²+4) =4 + Bs+C s²+4

A:

Q: mixture of 6% disinfectant solution is to be made from 8% and 3% disinfectant solutions.  How much…

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Q: ez = -2

A: Solution :-

Q: The Royal Fruit Company produces two types of fruit drinks. The first type is 30% pure fruit juice,…

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Q: 4x + 12у — 7z- 20w %3D 22 Зх + 9у — 5z —28w %3D 30

A: Solve the following

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Q: The manager of a candystand at a large multiplex cinema has a popular candy that sells for $1.60 per…

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Q: After one year Jonny's two mutual funds returned a total of $14,370. The first fund returned 2% and…

A: