Performing Operations In Exercises 17–22,perform the operation(s). (Write fractional answers insimplest form.)17. −6 + 6 18. 2 − (−3)19. (−8)(−4) 20. 5(20 + 7)21. x2 − 2x5 22. 9x÷16

Q: 15(4+3)=15•4+15•3

A: Recall the following fact.

Q: w + 4 w + 10 6. 8.

A:

Q: Which expression is equivalent to (x+4)(x-8) a. (x+2)²-28 b. (x-2)²-36 c. (x+2)²-28 d. (x-2)?-36…

A: The answer are as follows

Q: 1-2(3t)/(3t)1/2

A: 1-2(3t)/(3t)1/2  =   = 1-2(3t)(3t)-1/2    = 1-2(3t)1-1/2    = 1-2(3t)1/2…

Q: 4+(9+2)=(10+ )

A:

Q: (-2) · (15 + 9) + (5 – 9 + 8)

A: Given: -2·15+9÷5-9+8

Q: sin A 39. 12 sin 48° 27

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

Q: x1 + 3x2 = 3 x1 + 4x2 + x3 = 0 2x1 +4x2 – 2x3 = 8

A: Using matrix augmented form,

Q: 5(3+7x+4) = 30

A:

Q: 7(x+7/6)-6  simplify

A: In order to simplify Always follow the BODMAS rule.

Q: r+6/5 = r+8/7

A: We will use cross multiplication.

Q: 7x+5y>−1 −1,1) (5,−10) (9,8) (6,−7) (10,10)

A: The point is valid if it satisfies the given inequality. The given inequality is -7x+5y>-1. The…

Q: (22-9)+(8+14)

A: The given expression is: (22-9)+(8+14)

Q: o 5 (10 - 2 3) + 8

A:

Q: The coordinates of a point on the line x+ y+1 = 0 which is at a distance /2 units from the line 3x +…

A: Given: The line x+y+1=0 which is at a distance 2 units from the line 3x+4y-2=0 To find: Coordinates…

Q: ab2 – 5ab (5 + b)(5 – b)

A:

Q: 7 - 5 (10+8x)=37

A:

Q: 1+2+3+......+100

A: Concept Used: Arithmetic Progression : If S=1+2+3+.......+n then first term of the sum is 1 and last…

Q: 3/5y+(-6/5y)

A: the given expression is 35y+-65y simplify  35y+-65y=35y-65y denominator is same in both the cases ,…

Q: 12+(3+2)²x2÷5-7

A:

Q: ANSWER ON COMPUTER PLEASE   A.    -2x+8x 4>−8 B.    0.8x+(-8)<0  C.    1/2(

A: since your question no. A) is not in correct form,  we are solving rest of your questions,  b)…

Q: USING PROPERTIES OF EXPONENTS II. Evaluate the expression. Write fractional answers in simplest…

A: We know following property of exponents: am.an=am+naman=am-namn=amnabm=amana-1=1aab-m=bama0=1…

Q: 8÷2(2+2)=?

A: