A boat takes 2/3 as much time to travel downstream as to return upstream. If the rate of the river's current is 8 kph, what is the speed of the boat in still water? 38 kph 40 kph 41 kph. 39 kph.

Q: Determine if x = 1 and x = -2 are solutions to the following quadratic equation. Prove them to be so...

A: The given quadratic equation,     2x2-x-1=0

Q: A polynomial P is given. P(x) = x3 - 6x2 + 13x (a) Find all zeros of P, real and complex. (Enter you...

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Q: 3 10. Show that R² span

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Q: For matrix A and a scalar k, (kA)T is equal to: k(A^T) k(A) (k^2) x (A) (k^2) x (A^T)

A: We will solve the matrix operation. 

Q: A certain phenomenon has an initial value of 12 and grows at a rate of 8% per year. Give an exponent...

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Q: A company has determined that the price and the monthly demand of one of its products are related by...

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Q: 20. Find the y-intercept of the equation: x = 3y +8 А. -3/5 21. The equation of a line that intercep...

A: 20. The given equation: x=3y+821. The equation of a line has x-intercept at x=4 and y-intercept at y...

Q: A picture frame surrounds a picture that is 8 inches by 10 inches. The frame is the same width all t...

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Q: 0-64 N

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Q: Write the standard form of the equation and the general form of the equation of the circle of radius...

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Q: Smith was the top scorer in a​ women's professional basketball league for the 2006 regular​ season,...

A: Solution ) let x = number of 3 point field goals  So according to quetion  ( 2x - 50 ) = number of 2...

Q: 3. Factor the following trinomials using sum and product method. a) x2-2x-3 b) x2 + 11x + 24 c)x2-8x...

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Q: the 104th Congress, there were 4 more Republicans than Democrats in the U.S. Senate. This resulted i...

A: Given query is to find the numbers of Democrat and republicans.

Q: Write a rule for the translation of ALMN to AL'M'N. y 41 M M L' -4 -2 6 x 2, 11 (z, y) → OD Basic 8 ...

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Q: Exercise #4: The function h(x) has a range given by the interval 2,10]. The function f(x) is defined...

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Q: 13. How can you tell if radicals are like radicals?

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Q: Using correct vocabulary, select the phrases describing how the following equation changed the paren...

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Q: Indicate the steps, construct a table for the ordered pairs (x,y) and graph the points in the cartes...

A: see below the answer  with table and graph

Q: Exercises 43 0-46 0: Write a polynomial f(x) in complete factored form that satisfies the conditions...

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Q: Question 5. Show that () +2 +3 3 = n2"-1 +n Hint: you can use property 4 and 5 in the lecture.

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Q: A ball is thrown into the air with an initial velocity of 32 feet per second, from a height of 11 fe...

A: Given query is to find the time when ball hit the ground.

Q: Mark the vertex with a point. Draw the axis of symmetry. Graph the function f(x) = x² + 2x – 8 10 8-...

A: We have to marks the  vertex and fraw the graph of the function f(x) = x^2 +2x-8

Q: State True or False: If for a square matrix A and B, null matrix O, AB =O implies BA=O: * False True

A: Given that A and B are square matrices O is a null matrix. Is it true if AB=O implies BA=O  

Q: Write the factored form of the polynomial function with real coefficients, a lead coefficient of 1, ...

A: Follow next step

Q: Nathan is thinking about opening a CD account with $32000. An investment company is offering 6.3% an...

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Q: The sum of forty-eight times a number and 72 when divided by eight is fifteen times the number. What...

A: Let the number be x.

Q: -2w-6(-6x+w)+6x

A: To simplify the following expression.-2w-6-6x+w+6x  

Q: 4. Consider the following coordinate points: (-6, 8) and (4,14); (5,3) and (8, -10) (i) Find the slo...

A: Let's find. 

Q: Use the graph of the parabola to fill in the table. 10Y (a) Does the parabola open upward or downwar...

A: As per guidelines we can answer only three subparts questions at a time so if you need more answers ...

Q: -5 -4/-3 -2 -1 What is the least possible degree of the polynomial graphed above? 2.

A: In order to find the least possible degree of the polynomial, we should note the roots of the polyno...

Q: Solve the following quadratic equation by using the square root property. = -448 !! O x= -8 O x= 8 x...

A: Given : To solve -7x2=-448

Q: It 1-3° 3. 9-0 -9 9-D Solve Sor the Pollowing enrations below?

A: 1)1a-b+1b-aa-b=1a-b+1-(a-b)a-b                               =1a-b-1a-ba-b                          ...

Q: Find the change-of-coordinates matrix from B to the standard basis in R2. B= -5 The change of coordi...

A:

Q: x + 3 > -1=

A: Given inequality  x+3>-1 subtract 3 on both sides x>-4 x∈(-4,∞)    

Q: Español Factor by grouping (sometimes called the ac-method). 10x – 3x-4 First, choose a form with ap...

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Q: Find an equation of a degree 3 polynomial (in factored form) with the given zeros of f(x): 1, 4, 3 A...

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Q: 1 dx (2х + 1)4 0.

A: This question is based on definite integral solution by substitution.

Q: Who? Where? When? Rebecca Red Algebra Classroom First Period 4x3y5z2/5xyz 3x³y/5xy 6x²y³z5Vx²y Z. Z.

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Q: Three softball teams ordered equipment from the same catalog. The first team spent $285 on 5 shirts,...

A: To find the catlog price for shirts ,caps and bats.  

Q: Town A has a population of 600,000 which is 40% less than the population of Town B. What is the popu...

A: Given query is to find the population of town b.

Q: Dividing complex numbers   simplify (5 + √7)^-1 and write in standard form

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Q: The Rushville fire department uses three pumps to remove water from flooded basements. Each of the t...

A: Find your answer below 

Q: Find the following for the function f(x)= 4x + 2x-3. (a) f(0) (e) -f(x) (b) f(4) (f) f(x + 1) (c) f(...

A: We will find all the asked values as following.

Q: SHOW THE SOLUTION: Solve using S Mdx(y = constant)+ S N(the term not contained x)dy = A 1.) 2(y + 1)...

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Q: Apps M Gmail YouTube Profile شبشب مخرم ل لأطفال. . . PicsArt Editor الصفحة الرئيسية -....C و BE Init...

A:

Q: erson's blood pressure, P, at age y years. A.) Find the systolic pressure, to the nearest tenth of ...

A:

Q: If A is an invertible square matrix then: * (A^T)^(-1) = [A^(-1)}^T 'A^T)^T = [A^(-1)]^T (A^T)^(-1) ...

A: As we know that  Value of Matrix are same when we first take it inverse then it's transpose and vice...

Q: For every 100 ticket buyers at a concert, the band expects to sell 27 T-shirts.

A: Given: For every 100 ticket buyers at a concert, The band expects to sell 27 T-shirts.  

Q: HX T-Th HY 3)1+2 2. 14 the eavation

A:

Q: Explain

A: We will explain how to find the equation of a line if we are given the slope and the y-intercept.