Keisha says that it’s easy to multiply even numbers by 5 because you just take half of the number and put a zero on the end. Write equations that incorporate Keisha’s method and that demonstrate why her method is valid. Use the case 5 × 8

Q: Solve for a: 10 8 a 7 a a =

A:

Q: Simplify:  (4b3+ 7b2− 3)+ (8+ 5b2 + b3)

A: We distribute the positive sign

Q: 3(x+3)^2 and the answer is 3(x^2+6x+9) how do you get that answer.

A: Expanding (x+3)^2 :

Q: 3. Find the value of x. м 5х- 6 2x + 9

A: To Determine: Find the value of x.

Q: Write all answers in simplest form for   3x2-41x= -60

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: The expression 3(x² +2r – 3) – 4(4x² – 7x + 5) is equivalent to

A:

Q: (2x – 3)10 (2x – 3)° 10 3.

A:

Q: 5. Solve for x. x+ 98 *+ 49

A: The angle subtended by an arc on some point lying on the circumference is equal to half the measure…

Q: At a given time, Saturn was 9.1 x 10° miles from the Sun and Earth was 9.3 x 10' miles from the Sun.…

A: Subtraction of distances

Q: The expression 6x² + x + 7 leaves the same remainder when divided by (x – a) and (x + 2a), where a +…

A:

Q: Look at the equation. 6x + 9 = 2x – 7 Which statement best explains how to isolate x to the left…

A:

Q: Solve for (a)(ii)

A: Solution:∫π2πsin42x1-sin2x32dx∫π2π24sin4xcos4xcos2x32dx∫π2π24sin4xcos4xcosx3dx∫π2π24sin4xcos4x-cosx3…

Q: Find all the solutions of + 52 + 52z4 +..+ 5° = 0

A:

Q: 2. Find the value of x. 3x 4x + 20

A:

Q: x² 0.186 2.43 X10-12 x² = 4.52x 10-13 x = 6,72 × x -7 10

A:

Q: If 4x + 8y = 12 , what is the value of 3x + 6y

A:

Q: Find all the solutions of 28 + 9z7 + 9²z® + • · . + 9° = 0

A:

Q: Solve for x: 64" = 256¹+1

A:

Q: -9/x = 2/3x -9

A: Given, The equation is

Q: Write a story problem for 2 • 5 3 -

A: To write a story problem for:23·5

Q: xi+2xdx 3. x4+4x?+3

A: It is given that       ∫01x3+2xx4+4x2+3dx We have to evaluate it.

Q: Add. 2 2. 3x- 4x-15 3x +17x+20 | Simplify your answer as much as possible.

A:

Q: 4. Find the value of x. 5x - 8 2x + 13

A:

Q: 10. (8x + 3) dæ

A:

Q: Solve: A) 4^x = 1024 B) 3^5x = 9^(2x-1)

A: The equation in the form f(x)=0 is called a transcendental equation. The solution of the equation is…

Q: Multiply. 2x - 4 3x+ 18 5x +6 x-2 Simplify your answer as much as p

A:

Q: Simplify: 3x2 + 9xy b. 9x – 9xy² x2 – 2x – 15 12y? a. 3x2 + 8x – 3

A: The given expression is x2-2x-153x2+8x-3.…

Q: Solve for x: 104z – 8 48а — 8

A:

Q: 2. Simplify. a) (24m +3n)/ (2-2m+2n) b) (3x ²)²(3x²) c) 8x²y/32xy

A: Some formula:   (1)        ax/ay   =   ax-y(2)        ax·ay   =   ax+y(3)      ( ax)y   = axy

Q: 11. The product of two consecutive integers is 210. Find the numbers.

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Q: 3x? – 14x + 11 = (x – 1)(3x. %3|

A:

Q: 2. Perform the indicated operation and express your answer in simplest form: 2x+4 x-5 X+3 x2-8x+15…

A: Given2x+4x2-8x+15 - x-5x2-x-6 - x+3x2-3x-10We simplift the above expression.

Q: 6. 8. 19

A: To find: The value of x. Concept used: Intersecting Secant Theorem: Consider image below: In the…

Q: 3x²+23

A: Response-1:3x2+23(x+3)(x2+16)=Ax+3+Bx+Cx2+163x2+23…

Q: Multiply. 3x + 3 4x + 12 12x + 36 3x2 - 3 3x + 3 4x + 12 (Simplify your answer.) 12x + 36 3x2 - 3

A: We will take common part in denominator and numerator and we will cancel common terms.…

Q: Simplify 4x3 5x* A. 20x7 B. 9x12 C. 9x7 D. 20x12

A: Given: 4x3·5x4

Q: Given 10x2 + 17x +3 Which two numbers multiply to a · c and add to b ? 10 and 3 1 and 17 15 and 2 10…

A: Given data  Quadratic equation 10x^2+17x+2 It is a from ax^2+bx+c  Product a•c=30  Sum a+c=b=17  The…

Q: Solve for x. 8. 12 5

A: Let us see some properties of circle. P is a point outside the circle. We will prove that…

Q: Multiply and simplify: 6x3 6æ³ (2a² – 5x – 3) -

A:

Q: how to solve 28=3/5x+4

A: Calculation:The given expression is 28 =3/(5x+4).Solve the above equation as follows.

Q: Solve 2 and 3

A: Given :   Here the data for two samples are provided and the number of people who have allergies…

Q: Simplify : (25x4y6)1/2

A: Given: 25x4y612

Q: Which expression is equivalent to (2x + 3)(x + 4) ? A 2x+ 12 3 B 2x + 11x + 12 2x + 6x + 4x + 12 2 D…

A: Explanation of the answer is as follows

Q: how do i do -4(2x-6)+8x=5x+24+x

A: Solve the given equation as follows.

Q: SOLVE THE KENKEN PUZLE 160x 45x 20X 15X 20x 12+ 4 2/

A: kenken puzzle

Q: Solve for a. 8. 9a 16 a² =

A:

Q: What is the positive solution of |3x+8|=19

A: Note: when we remove modulus sign, it gives ± sign.  |3x+8|=19    positive solution=?

Q: 3 x6 -8x3

A: Given query is to simplify the equation.

Q: Solve 6(x + 8) + 4 = – 5(x +5) for a

A: To solve 6x+8+4=-5x+5

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.