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

Q: Simplify: 10y - 40 49 - y² 10y² - 70y 10y² + 30y - 280

A: The given expression is:10y-4049-y2·10y2-70y10y2+30y-280

Q: Simplify: -6(10y + 7) 0 -60y + 7 O -60y + 42 о-60y - 42 о-16у - 13

A: Please rate

Q: Evaluate 8 + 2(x – 7)4 for x = 10.

A: Given: Let p=8+2x-74 To Find: To evaluate the given expression at x=10

Q: Simplify (7p-4 q8) (2p-3 q-2) answer with positive exponents only

A: Consider the given expression,

Q: Perform the indicated operations and write the result in standard form, √-12(√-4 - √2)

A: Given , -12-4-2         =-12.-4--12.2         =-12-4--122         =48--29         =42x3--1.4x6…

Q: Simplify: x3 × x4 + x

A: The given expression is,

Q: what value makes 5x+7=3x-5 true

A:

Q: The width of a rectangle measures (2p-9q)(2p−9q) centimeters, and its length measures…

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Q: Simplify: (y-3)(y- 5) O y + + 15y - 8 O y' + 15 O y-8y+ 15 O y + 15

A: Itbis simplification.

Q: 8 Which of the following expressions is equivalent to (x + 7)(x² – 3x + 2)? A. x - 3x2 + 2x + 14 B.…

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Q: Find a completely simplified expression for the perimeter (2.lenght + 2 width) of the blue…

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Q: Why must n2 r in the notation nCr?

A: Topic = Algebra

Q: Evaluate 7(x - 3) / (2x - 16) for x = 9

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Q: Evaluate x2 + 5x, for x = 6.

A: x2+5x, x=6

Q: Simplify the expression V80x°y V102²y7 3, 2x y2 O 2a²y² Væy? 70x³y6 8x y?

A: Taking simplification we have

Q: Preform Sample: n = 5 test using Assume that the the 1) not rejected 2) rejected at the ۱۷۰…

A: Given that n=5 , x̄=3.87 s=0.679 Null Hypothesis H0: μ=5.0 We have to find correct option:

Q: Finding Derivatives In Exercises 1-12, fir Examples 1 and 3. 1. xy 4 2. 3x2-y 8x 3. y2 1-x², 0 sxsl…

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Q: Evaluate 5(x + 2) / (2x-14)  for x = 10

A: The given expression is 5x+22x-14.

Q: Evaluate each expression if x = 3 and y = - 1.(a) x + 3y  (b) 5xy   (c) 3y/ (2 - 2x)  (d) ǀ- 4x + y…

A: (a)x+3yx=3,y=-1x+3y=3+3(-1)x+3y=3-3x+3y=0(b)5xy5xy=5(3)(-1)5xy=-15

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: Evaluate x2 - 6x + 3, for x = 7

A: We have to evaluate x2-6x+3 for x=7. Let Px=x2-6x+3 Now, at x=7 P7=72-6·7+3=49-42+3=52-42=10

Q: Perform the indicated operation simplify the result  2x-16/x+1 times 4+4x/24-3x

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Q: Annie’s Albums produces digital photos from old photos. The company’s average cost (in dollars) to…

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Q: f 98 + 3a = 4b, what is a in terms of b?

A: Given, 98+3a=4b what is a in terms of b

Q: (-5+z) is positive, but (-6+z) is negative. What number could z be?

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Q: what is the GCF of 6x to the second power, 12x, and 36x to the fourth power?

A: See the detailed solution below.

Q: Multiply each expression using the product rule: b8 - b10 b. (6x*y³)(5x²y?). а.

A: Given that the expression  (a) b8·b10 (b) 6x4y35x2y7 To multiply each expression:-

Q: Simplify :(1/3x-5y4)(18x-2y-1)

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Q: Simplify: (4a + 3)(3a – 4) О 12 а?-5а-12 O 6a - 7a + 12 O 12 a -7a- 12 O 12 a-12

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