Three-fourth of the students in the class have an average IQ of 120 and the rest have an average IQ of 160. What is the average IQ in the class?

Q: Is the point (2,-4) a solution to the inequality above?

A: Is the point (2,-4) a solution to the inequality y<-x-1

Q: Factor by removing the common monomial factor: 24x²y°z* + 8xy°z° O 8xy²z³ (3xyz + 1) 8xyz (3xy z+ y)...

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Q: Consider the series 00 1 Σ n=1 Vn - ! Complete the following application of the Comparison Test to s...

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Q: 5. Find the inverse, if it exists, of each of the following: 1 2 0 -2 0 1 -2 2 1 1 1 (a) A= 1 0. 3 1...

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Q: Question 5 What are all the roots of f(x)=x-3x +x-37 -1, 3 only B-1,3, C 1,-3,1 D only A.

A: Given query is to find the roots of the expression.

Q: A map is made of a park. The scale from the park to the map is 30 mi to 6 cm. The length of Great Oa...

A: Scale factor= (scale value)/(original value) 

Q: Simplify the exponential expression: (-xyz²)(3x²z) O 3x³y?z? -9x°y°z? O -3x³yz° O 3x°y°z3

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Q: Choose the best answer. If log, 52 = 01 O -2 O 5 O O O O

A: The solution is given in the next step.

Q: 3x - 2y = 12 7x + 2y = 8 x = 2, y -3

A: As per company guidelines we can solve first question. I hope that the given solution will help you....

Q: The ratio of pink marbles to white marbles in samara’s bag is equal to 1:5.What percent of the bag c...

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Q: 3. y= x-2x + 1 4. y= x + 3x + 2 y = x + 1 y = -x- 3 5. y x-1 6. y= -x+ 3 y = -x + x – 1 y = -x² – 2r...

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Q: Divide 2x2 + 3 2

A: Here we have to divide, 2x23+x2 by x2

Q: Please answer quickly thank you Determine the Laplace transform of f(t) = cos(2t) + 7sin(2t) .

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Q: y+1 factors to (y+1)(-y+1). O False True F3 F4 F5 F6 F7 F8 F9 F10 F11 2$ & 3 4 ) 6 7 8 E R T Y U %23

A:

Q: If x2 + 9x + 14 х2 — 49 is divided by Зх + 6 x2 + x – 56 , the quotient is:

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Q: let H = {n² |n e Z*}, determine whether it is closed under

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Q: Lin has 9 plates. She puts 1/4 of a sandwich on each plate. Which expression represents the sandwic...

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Q: for AUB unih AG B inderser for is not unusual.) Then, A+B= B+ A A B= B A A (B+ C) = A B+ A C A+Ø= A ...

A: ∪ - Union ∩ - Intersection

Q: 23) How many terms of the series -3+2+7+... must be added for the sum of the series to be 116?

A: The given series,    -3+2+7+......

Q: Simplify the given product below. (2x - 5)(x + 3) O 2x2 – x – 15 O 2x2 + x – 2 O 2x2 + x - 15 O 2x2 ...

A: This question can be solved easily by applying the concept of product of two algebraic expression.

Q: Choose the correct expression. O VE O vE

A:

Q: We have a group of 10 students that we want to partition into two sub-groups. None of the two subgro...

A:

Q: Simplify the given product below. (x + 11)(11x + 1) O 11x2 + 122x + 11 O 11x2 - 122x + 11 O 11x2 + 1...

A: We can find the correct answer as below

Q: 8- 32y factors to 8(x+2y)(x-2y). O True O False

A:

Q: following

A: Please refer to the image below

Q: Let p: Hwi win the first round and q: Hwi win the tournament. Write the following statements in symb...

A: This question is related to logic, we will solve it using given information. 

Q: s2-3 Solve each equation by using the graph of its related function. 22. 0 = 2x – 11 23. 0 = 4x + 12...

A: To solve the equation by the graph of its related function.

Q: 22 I3 0. Given a system in augmented matrix: 4 1 Determine the following (Show complete and detailed...

A: The given augmented matrix is  113|0214|1315|2

Q: For the piecewise function graphed below, find f (5). -5 2 4- -5 -4 -3 6. 10 -2 -3 O 1 O 3 O 2 O Not...

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Q: If log, 4 = 1.39 and log, 3 = 1.10, then log, 12 = O 4.17 O 4.40 O 2.49 O 1.529 O 0.29

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Q: Using any method, determine the point of interesection for the given 3x3 linear system: x+y-z=7 3x...

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Q: x* + 2x? – 9x – 18 = 0

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Q: Determine if the homogeneous system has a nontrivial solution. Use row operations in the process. Ju...

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Q: A factory makes rectangular boxes. The area of the top surface can be modeled by the function. f(x)6...

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Q: Determine if the system is consistent or inconsistent. Justify your answer and find all solutions to...

A: Given: x-2y+3z=114x+y-z=42x-y+3z=10To find the solution of the system of linear equaton

Q: How much will $12,700 become if it earns 8% annual interest, compounded quarterly, for 60 years?

A:

Q: cubic centimeter cube is painted on all its side. If it is sliced into 1 cubic centimeter cubes, how...

A: There are six side of the cube and as side of cube is 5cm and hence each side will have 5×5=25

Q: 3. Find the inverse function f-(x) for the function f (x) = 5 - 17x + 2 Also find the domain of the ...

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Q: Given that 32a × 11º = 274x × 332× express a in terms of x?

A: Find your answer below 

Q: Evaluate the following polynomial expression when a = 1, b = 1, and c= 2. ab-3bc + 3abc 1 O 3 O 13 O...

A: To evaluate the following expression when, a=1, b=1, and c=2.a2b-3bc+3abc  

Q: Which graph best represents the function f(x) =x* – 2x³ – 6x² + 22x – 157 A B C

A: Given  x^4-2x^3-6x^2+22x-15

Q: Exercises 3-5, Jose, Mario, Melanie, Mike, and Alicia are on a dong cycling trip. The table below gi...

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Q: Describe the roots of the equation 7x2 – 6x + 12 = 0 | O real and unequal imaginary O real and equal...

A: I am going to solve the given problem by using some simple algebra to get the required result of the...

Q: 75 + 75.175 -110 -25.882 If your answer is 66.06 prove it to me that the answer is really 66.06

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Q: 6x2 + 7x - 20 factors to (2x + 5)(3x - 4). O True O False

A:

Q: The 1st Question Please Degermine the first five terms of the sequence defined by the following expl...

A: option (c) is correct  see below the calculation and answer

Q: 18. flx) = +4

A:

Q: Find the GCF for: uv, ut O uvt O 1 O uv

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Q: 3. Prove that if n is a triangular number, then so are 9n + 1, 25n + 3, and 49n+ 6. Hint: Recall tha...

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Q: Reasoning Willie has 4 baseball caps. Two of the caps are blue. One of the caps s red and one is gre...

A: