12) -3x- 8y= 20 -5x + y = 19 14) -3x+ 3y = 3 -5x+ y= 13

Q: The number of students in classes P, Q, R and S is 6:5:3:2 respectively. The total marks scored by…

A: Introduction :

Q: 1.  When 2 variables are related, what does it mean to say that one is the independent variable and…

A: 1. When two variables are related, one is regarded as the independent and the other is the…

Q: Simplify    (14p^4 + 11p^2 -9p^5) - (-14+5p^5-11p^2+p^3) + (-25p^3 - (-10)=

A: NOTE: Refresh your page if you can't see any equations. . write it without parentheses

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Q: 5. 10x + y +z = 12 2r + 10y + z = 13 x+y + 52 = 7.

A: As pr bartleby question answer guidelines we only allow to solve one question at a time.Please post…

Q: 4. Simplify 3(8z+2y). O 24z + 2y 24x+2y D24x+6y 30z +y 30cv

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Q: 2. If y = xlnx,

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Q: Hey, can you explain the last 3 lines?  How does p(2<0.375) become 0.6462

A: P(-0.25&lt;Z&lt;0.375)=?

Q: Show that the equation x-4y+7z=14 , 3x+8y-2z=12 , 7x-8y+26z=5 are not consistent

A: Show that the equation x-4y+7z=14 , 3x+8y-2z=12 , 7x-8y+26z=5 are not consistent  We use Cramer's…

Q: 7. 16y" – 8y' + y = 0, y(0) = -4, y'(0) = 3

A:

Q: (5) ary (6) 4ry" +y = 0 (7) y" + ry + 4y = 0; y(1) = 1.(1) = 4 (8) " - Sry + 13y = 0

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Q: 16. IF mz1 = (x + 92)° AND (x + 104)° FIND m2. m22 = \21 2

A: We have to solve

Q: B) the eignualues of A= 26,人2--9/2,=B then aB =2/b. B=-llc.Be/B--1 = 2

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

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Q: 1. y=3sin(2x) and y= 3cos(2x)

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Q: Suppose that a1, a2, a3, a4, a5 are five numbers. If a =8 then (7 – 4ax) is equal to... %3D k=1 k=1

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Q: If y= 4sqrt(9x^3+10), then y'=

A: according to our guidelines we can answer only first question and rest can be reposted.

Q: 11. The sum of the digits of a two digit number is 12. If the digits are reversed, the new number is…

A: As per our guidelines we are supposed to answer only one question.Kindly repost other question as…

Q: 16) If x = 5y-3 and y = -2a3, express x in terms of a.

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Q: Ay 10 -10 - 2т

A: Graph of  function is

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A: Detailed explanation mentioned below

Q: 3 fin [ ха Txx² 2 - 1/2 to

A: To evaluate: ∫13lnx21+x212dx=∫1312lnx21+x2dx=12∫13ln x2-ln (1+x2)dx=12∫13(2ln x) dx-12∫13ln(1+x2)…

Q: 13. Find mZVWZ. V (5х- 12)° Y (2х- 3)°

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Q: 26. The sum of the digits of a two-digit number is 11. If 45 is added to the number, the result is…

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Q: What is the sum of 7x*+2xy-5y and 2x+3xy+2y7 14x +6x3y2-10y 14x +6xy-10y 9x8+5x3y2-3y 9x*+5xy-3y3

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Q: こも-2a) + but-

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Q: Based on the diagram, if the mZ1=140, what is the m28? *

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Q: . The average test score of 8 students in a class is 92. Two slacker kids join the class and the…

A: Solution of question as follows

Q: factor the polynomials completely

A: 5. 4x3-8x2-140x

Q: AY 42 -12-10-8-6-4 2 2 -5,-9)

A: Consider the graph

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A: Given: Number of consonants = 7 Number of vowels = 4

Q: et xー4x-i7x +12 . Find xS. y'= 3x=-8K-17 y"- 6K -マ y"! =6' i2 y= x- =人 - 6x2 + 3x-2,what is 12

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Q: Simplify: (-n-4n +2)-(-8r -4-6n) 1. -4n +7n+6-3n* 2n + 7n +6-3n* Option 1 Option 2 5n + 7n +6- 3n 2n…

A: the given expression is: -n2-4n3+2--8n2-4-6n3 we have to simplify the given expression.

Q: *** V· Vo = + ax2 dy2 az2

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Q: 18수 16 14 -12 10- -8 -4 -2- -2 2 4 -2 -4 --6

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Q: SV5+12x? - 4x4 xdx 2x2 - 3 (2x2 - 3)/5+ 12x? – 4xª + 14Arcsin V14 +C O (2x2 - 3)/5+ 12x² – 4xª +…

A:

Q: + 14y + 50y = 0, y(0) = 2, y(0) = -17

A: We have to solve given problem:

Q: - 7x+ 3y+4z = -6 -23x+23y+kz =-31 -4x+ 5y+7z= -6 we must have, k +

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Q: If I am dealing with just letters then the answer will be all letters?

A: Topic:- basic maths

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Q: If A = } and 8 - I 2 5 %3D B = 4 1 -3. 11

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Q: 4 1) ry" + ry' - y = ; y1 = r 2) ry" – ry' + y = r; y1 =

A: Both Equation are Second order Euler Non Homogeneous Ordinary Differential Equation.  For solution ,…

Q: Find: (6y + 1)(y – 4) * О бу72 +4 О бул^2 4 О бу^2-10y-4 О бу^2 - 23у - 4 (9t^2 + 4t – 6) – (1^2 –…

A: