Show that (A + B)2 is not equal to A2 + B2 by showing that this is not true with A = 3 and B = 2. Then, show that (C – D)2 is not equal to C2 – D2 by using C = 8 and D = 5.

Q: A loudness L is given. Find the intensity of the sound. L= 69.4 dB |=W/m? (Use scientific notation. ...

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Q: 3) In how many ways can a group of 5 men and 2 women be made out of a total of 7 men and 3 women?

A: Given,             A group of 5 men and 2 women be made out of a total of 7 men and 3 ways.

Q: For any sets A  B, C, ( A ∩ B) ∪ C ≠ A ∩ ( B ∪ C). True or False.

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Q: Find the values of x that satisfy the following equations: a. 2-[-2(x + 1) – 5x-3 + 3x 12 b. x2 — х ...

A: Please see the below picture for detailed solution. 

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Q: f(z) =- 5z- 3 f(x) = Find f[f(4)]

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Q: Find all possible values of t that correspond to the given point P(x,y) on the unit circle. 3 1 V 2 ...

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Q: Let W be the set of all vectors of the form shown on the right, where a, b, and c represent arbitrar...

A: This can be solved as follows:

Q: Evaluate S5 for 400 + 200 + 100 + .. and select the correct answer below. O 25 O 775 O1,125 O 500

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Q: 4x+2 а. Зх-4 *

A: fraction

Q: Quarterly withdrawals of $850 for 7 years; interest rate is 4.9% compounded quarterly. Find the amo...

A: The formula is:A=P1+r4004Twhere P=principal amountr=rate of interestT=time

Q: . Perform the given operation and simplify the answer.  Given: f(x)=300x+150 and g(x)=500x+90 i. (...

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Q: Multiply and simplify completely, including the elimination of all negative exponents: ( 5 x ^ 4 /4 ...

A: =5x44y55·44 y853 x-7=55 (x4)545 (y5)5·44 y853 x-7=55 x2045 y25·44 y853 x-7=53 52 x2044 4 y25·44 y853...

Q: 4 b. х2-7х 28х х2—49

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Q: Perform the given operation and simplify the answer.      Given: f(x)=2x+3 and g(x)=6x-4/2 i. f(x)...

A: We will simply apply algebra of function.

Q: Find the zeros of each function and give the multiplicity of each zero. State whether the graph cros...

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Q: As a nurse, part of your daily duties is to mix medications in the proper proportions for your patie...

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Q: Let X = {-4, 1, 5, 7, 10}. Let f : X → Z by f(x) = 10x + 9. Rewrite f as a subset of X x Z. f = { }.

A: 1.X=-4, 1, 5, 7, 10f:X→ℤ by f(x)=10x+9 Note:    Multiple questions are given, we are answer with onl...

Q: If f(æ) = tan (3x) , then f'(x) : %3| %3|

A: Question 1,Given,            fx=tan43xTo find : f'xWe know that,           The derivative of a funct...

Q: Question 9: Solve for X from the matrix equation below. Here / is the identity matrix and det(B) # 0...

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Q: Question 10: Solve for X from the matrix equation below. Here / is the identity matrix and det(B) = ...

A: Option 5 

Q: Write an equation for the polynomial graphed below 6+ 5- 3 1 + -5 -4 -3 -2 -1 -1+ 4 5 -2 + -3 - -4 -...

A:

Q: A furniture company is producing tables and chairs for the coming week. The production of tables and...

A: In the Excel spreadsheet, The decision variables are Chair and Table.  

Q: Prove that (A')' = A for each A E Mmxn(F).

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Q: Find the smallest integer n for which the property below hold 3n > 2967 n =

A: Given query is to find the value of n.  

Q: line passes through (-4,3) with a slope = 0 (show your work) * %3D answer

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Q: Let X = {b,c, e, h, q, s, v, w}, Y = {3,4, 7,9, 10, 11, 18, 23}, and f : X → Y with f = {(b,9), (c, ...

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Q: How to calculate the natural log of a number?

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Q: In a bag contains 515 coins worth $102.10. There were three types of coins.nickels, dimes and quarte...

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Q: 口 ロ 2. Factor using the GCF. 4x + 8x? O 4x°(z+2) O 2z (4x + 4) O 4x(x+ 2) O 2z(2x° + 4x)

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Q: A stone is thrown vertically upward from the top of a house 112 feet high. If it was thrown at 96 fp...

A: NOTE: Refresh your page if you can't see any equations. . the gravity is a=32 feet per second2 the ...

Q: A polynomial function P(x) is given by 5x^3+bx^2+cx+d and has zeros at the points (0,0) and (2,0). W...

A: We can find value of b as follows

Q: Find an equation for the graph sketched below 7- 4+ -5 -4 -3 -2 -7, 4 -2 -3 -4 -5 9- -7 f(x) = %3D

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Q: Read the problem below. Then explore ways to write expressions from words. Write an expression with ...

A: Let's find. 

Q: In the untread area of the mosquitoes, in the months of January to February, as m is in month, and t...

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Q: Use the graph of y=f(x) to answer the following. y 4. 3+ 2+ -3 -2 3 -2- -3- -1

A: We can find the domain and range as below.

Q: Find a non-zero vector V in the row space of the matrix -12 6 -12 -6 18 16 -8 -16 -8 24 V 0.75 1.5 1

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Q: 10. How many possible triangles can be formed in angle A = 126 deg and side a = 20 cm and b= 25 cm? ...

A: To find the number of possible triangles. Given information: The angle A=126deg and side a=20cm and ...

Q: х-8 с. х-у у2

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Q: x²-6 2 If f(x) = X +3 where is f not differentiable? X%=

A: Given: fx=x2-6x+3

Q: Write the quadratic function in the form f(x) = a (x-h)-+k. Then, give the vertex of its graph. f(x)...

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Q: a box the inverse of the matrix generated by the system of equations. This is po of the answers and ...

A: Given system of equations 2w+5x+2y-3z=3 6w+12x+10y+4z=4 4w+5x+14y+14z=11 5w+10x+8y+4z=4

Q: gi the point (3, 14). Find a formula for P(x). P(x) =

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Q: Let P(t) = (x,y) be the terminal point on the unit circle that corresponds to the real number t. Fin...

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Q: Practice questions for a textbook are marked with difficulty levels of easy , intermediate , and dif...

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Q: 32 . (2° + 4), What is the value of the expression 22 A 10 B 15 C 19 D 27

A: 3^2 *(2^3 +4)/2^2 =32·(23+4)22=32(22·2 +22)22=32(2+1)2222=32(2+1)=32·3=33=27

Q: Use synthetic division to find the quotient and remainder when -2x + 6x + 8x +5 is divided by x-4 by...

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Q: 7zy 49ху

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Q: The following table shows the amount spent by four U.S. airlines to fly one available seat 1 mile in...

A: Given that, Airline UnitedContinental American JetBlue Southwest Cost (¢) 14.9 14.6 11.9 12.4

Q: Which value would be eliminated if it appeared as a possible solution to the equation below? 3 I-5 1...

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