a. –3 (x – 2) + 2 (x + 5) > –7x + 14 – 2x b. 플 +4 > 특 -글

Q: (In(r))² 9. dr

A:

Q: 2. Max tries to simplify the expression (5x+2)(x+3)-(2x– 3)(x+3) as follows: = (5x+2)(x+3)-(2x–…

A: Given data is : Max tries to simplify the expression 5x+2x+3-2x-3x+3 Expression after simplification…

Q: 8. If (x - 2c)2 - 10(x- 2c) + 21 = 0, what is the value of x?

A: Given (x-2c)2-10(x-2c)+21=0Ans:We know that (a-b)2=a2+b2-2abLet x-2c=uu2-10u+21=0This is in the form…

Q: x-1 xp= 3 4.2 Using substitution show that 26 3 Vr+1

A: According to the guideline we should have been able to do only one question at a time #4.2

Q: If 2x + 3y = à and -x + 5y = 6b, express x and y in terms of à and b.

A:

Q: 9. If AXYZ ~ ARST, find the value of x. R 40 5x - 3 3x + 2 60

A:

Q: 2. What is the true value of x²-x-2

A: Given the equation, x2-x-2 This can be written as, x2-x-2x2-2x+x-2x(x-2)+(x-2)(x-2)(x+1)

Q: Show by contraposition that : Vx ERx?-7x-820 - x2 8 or x S-1

A: In this method, we prove negation of antecedent and get contradicted and get our required results.

Q: 25. Evaluate when a = 15: 2(a - %3D 5) + 2 *

A: Given, Value of a=15, and expression which we have to solve for value of a=15 is : 2(a-5)+2

Q: For А - 2аx + Зау + az and В %3 5аx - 2ау - az OAB is:

A:

Q: What is the value of x in ax- bx +3a - 3b = 0? %3D

A: Compare the coefficient of a and b .

Q: 1if xs-1 28, 3x +2 if |x| <1 7- 2x if x 2 1 -1 -1

A:

Q: KD and ZE are complementary. If mZD = 5x + 3 and mZE = 3x – 1, what is x? 081

A:

Q: 4 Find mLABE. E (x + 14)* (3x-8) to

A: Given that angle ABE = (3X - 8)° Angle EBD = (X + 14)° and angle DBC = 90°

Q: ソ- (マ?+)(ス+リ (2メ+3)2 Now, y'= 2xイx+1) (2x +3)2 + (x?+!) (2エ+3) (2742x)(2X+3) +(x?+)(2x+3) - 417…

A: y=(x2+1)(x+1)(2x+3)2We have to compute y'Here we will use the quotient rule,product rule and…

Q: Assume that x² + y² = 4xy. Then y' Select one: True False 2x-4 4+3y²*

A: Let's solve derivative of function  and maximum value of given function.

Q: ペ--ド 3x-8x + 7メ-455 -3x + メ-XL+ウーメんー Evaluate the followng B.

A:

Q: III. Eliminate the AC 8. до Gex + сче-х + Сухе аех Cex ·X

A:

Q: 2. If mJK = (7x- 39)' and mML = 87, find x.

A: Given,

Q: 4. Зx? + 29х-10-0 Work

A: Topic:- algebra

Q: et) of a ball thrown by a child is 1 -x² + 6x + 3 14 -

A:

Q: In l-1x+11-In !2x + 31) +C (2)C1)-(3)(-1)

A:

Q: quation x 101

A:

Q: If C = z - 9z2 and D = -x +3, find an expression that equals 3C – D in standard form.

A: Given: C=x-9x2, D=-x+3

Q: Which of the following is equivalent to x2- ax - 7 = 0?

A:

Q: 3 Gan that 212y = 2-2y finel 2y 5.

A: According to our guidelines we can answer only first question and rest can be reposted. I did not…

Q: Let an+2 = 4an+1+-2an. If ao =2 and a1 =3, what is the value of a4?

A:

Q: 2. Evaluate 9x + 5y for x = 5 and y = 3.

A: To Evaluate:  9 x + 5 y for x = 5 and y = 3.

Q: 13) If x = 5a*, and a = 2b3, express x in terms of b.

A:

Q: nte poirts 2. 5) and (-3 -4) has an eguaton of 9x + 5y =0 9x +5y-7-에

A: Solution

Q: T12 7. 6x- 3 > 15 or 3 + 7x 3

A:

Q: (22 -2) S +5x2+4) tan Evaluate da a2+2

A:

Q: 2ху + 6х?у — 1 y = 1-x2 — 2х3

A:

Q: - 5/2+81 +81 주 lim x--00 2/12+Vt²–167 3

A: we will use the fact that any constant number divided by a very large number (infinity) we get the…

Q: 2x + y = 23 and x + 2y = 17, then 3x - 3y = ?

A:

Q: 1. Зer + 10ee 2. 4et - 2en 3. 5c1 + 4c2 + 5i + 2j 4. -Зer + бее +4i - 3j

A:

Q: 2х2-х-3 3) x2-1

A: Topic = Algebra

Q: 259 17 8 --1 72 O xs-2 x2-2

A:

Q: а) In(x) — 3(Vinx) + 2 — 0 b) 25% – 8(5*) = -16

A: lnx-3lnx+2=0

Q: 6. If ARSV~ARTU, find x. T. 28 S. 7x-3 3x-2 R 20

A: Given, ∆RSV~∆RTU  ST = 28 ;  SR =20 SV = 3x-2 ;  TU = 7x-3 We have to find the value of x

Q: 24 Use the diagram to solve for x, FG and FH. 4x 7x +6 FG = FH = 6 8 9 DELL -> 23 $ & 3 4 7 8.

A:

Q: A farmer has 180 yd of fencing material and wants to enclose three rectangular pens. Suppose that r…

A: Given, A farmer has 180 yards of fencing material,

Q: The value of x such that 8x+4, 6x-2, 2x +7 will be consecutive terms in an AP is

A: If a, b, c are consecutive terms in an AP then 2b= a + c

Q: X+5-3 exs=! im メー4 47

A: We have to evaluate the limit of the above function.

Q: if 15cotx=12,then find secx?

A: Consider given trigonometry equation

Q: * Express 2x² -x+ 6 in the form n(x-- o)?+r where p. g and r are constants to be found.

A: In this question we have to deal with the polynomial.

Q: 2. If mJK = (7x - 39) and mML = 87, find x.

A: Given, m(JK) = m(ML) So, (7x - 39)° = 87°

Q: Express the following as a single-den 4 2 x² - 16 x + 5x +4

A: Follow next step

Q: fx,у) %3D -2у + зху + 8у - 4х2- бх — 7 then f equals ху О Зу - 8х — 6 O -12y O Does Not Exist Оз…

A: Given fx,y=-2y3+3xy+8y-4x2-6x-7              (1) Differentiating 1 partially w.r.t x and y ,we get…