The zeros of a function f(x) are 8 (double root) and -3 and the y-intercept is -768. Write the equation of f(x) in factored form.

Answers

Answer 1

9514 1404 393

Answer:

  f(x) = -4(x +3)(x -8)²

Step-by-step explanation:

Each zero (z) gives rise to a factor (x -z). The given zeros mean the factored form is ...

  f(x) = a(x -8)²(x +3)

The value of this at x=0 is ...

  f(0) = a(-8)²(3) = 192a

We want the value to be -768, so ...

  -768 = 192a

  -4 = a . . . . . . . . divide by the coefficient of 'a'

Then the factored form is ...

  f(x) = -4(x +3)(x -8)²

The Zeros Of A Function F(x) Are 8 (double Root) And -3 And The Y-intercept Is -768. Write The Equation

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Multiply or divide as indicated.
p³ • p ² • p​

Answers

Given:

The expression is:

[tex]p^3\cdot p^2\cdot p[/tex]

To find:

The value of the given expression.

Solution:

We have,

[tex]p^3\cdot p^2\cdot p[/tex]

According to the product property of exponents,

[tex]a^m\cdot a^n=a^{m+n}[/tex]

Using the product property of exponents, we get

[tex]p^3\cdot p^2\cdot p=p^{3+2+1}[/tex]

[tex]p^3\cdot p^2\cdot p=p^{6}[/tex]

Therefore, the value of given expression is [tex]p^6[/tex].

s an initial service charge of $100 plus $50 per hour of use, and $20 per hour for the driver. Darren rented a limousine for his wedding. The expression \large 100+h\left(50\right)+h\left(20\right) represents his cost for h hours.

Part A: Find a simpler way to calculate the cost. Explain.
Part B: Find the cost for 7 hours of rental time.

Answers

Answer:

A: $100 + $70h = Cost

B: $590

Step-by-step explanation:

A: you can combine the use rate and the driver rate together since they both have the save variable.

B: $100 + $70 (7) = Cost

$100 + $490 = Cost

$590 = Cost

Point m is located at 4,-2 what is located 2 units for point m

Answers

Answer:

None

Step-by-step explanation:

Given

[tex]m = (4,-2)[/tex]

Required

Point 2 units from m

There are 4 possible points 2 units from m and they are:

[tex]m' = (4+2,-2) = (6,-2)[/tex]

[tex]m" = (4,-2+2) = (4,0)[/tex]

[tex]m'''= (4-2,-2) = (2,-2)[/tex]

[tex]m'''' = (4,-2-2) = (4,-4)[/tex]

From the graph, we have:

[tex]A = (4,2)[/tex]

[tex]B = (-4,2)[/tex]

[tex]C = (2,-3)[/tex]

None of the points is 2 units from m

Point m is located at (4,-2), then point C is located approximately 2 units from point m.

A point in a graph is its location denoted using x and y axis.

Given the following information:

Coordinates of point m=(4,-2)

Coordinates of point A=(4,2)

Coordinates of point B=(-4,2)

Coordinates of point C=(2,-3)

Formula used to find distance between two points say (x1,y1) and (x2,y2) is

[tex]D=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}[/tex]

D1 distance between m and A is

[tex]D_1=\sqrt{(4-4)^2+(2+2)^2}\\D_1=4[/tex]

D2 distance between m and B is

[tex]D_2=\sqrt{(-4-4)^2+(2+2)^2}\\D_2=4\sqrt5[/tex]

D3 distance between m and C is

[tex]D_3=\sqrt{(2-4)^2+(-3+2)^2}\\D_3=\sqrt5\\D_3=2.2\\[/tex]

D3 is approximately equivalent to 2 not exactly 2.

Thus, point C is approximately at 2 units from m.

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4. If a =15yds. and the hypotenuse c = 17 yds., what is the value of the leg b?

5. If b = 40 mi. and the hypotenuse c = 50 mi., what is the value of leg a?

Answers

9514 1404 393

Answer:

  4. 8 yds

  5. 30 mi

Step-by-step explanation:

The relation according to the Pythagorean theorem is ...

  c² = a² + b²

This can be solved for 'a' or 'b' to get ...

  a = √(c² -b²)

  b = √(c² -a²)

__

4. b = √(17² -15²) = √(289 -225) = √64 = 8

The length of leg b is 8 yards.

__

5. a = √(50² -40²) = √(2500 -1500) = √900 = 30

The length of leg 'a' is 30 mi.

_____

Additional comment

You may recognize the relevant Pythagorean triples as (3, 4, 5) and (8, 15, 17). A few others that are often seen are (5, 12, 13), (7, 24, 25) and (9, 40, 41). Any of these can be multiplied by some factor, as the (3, 4, 5) triple is in problem 5.

Compare the quantity in Column A with the
quantity in Column B.

Answers

It Is My Work From My Laptop

Which number is a multiple of 9? A) 47 B) 56 C) 64 D) 72

Answers

Answer

72is the multiple of 9

Chau is going to the airport. It is 5:46 p.m. right now. Chau Flight will depart and 3 hours 41 minutes what is the departure time of his flight​

Answers

I believe it’s going to departure at 9:37

IN OPQ, the measure of Q= 90, OQ=12, PO= 13, and QP=5. What ratio represents the cosine of O?

Answers

Answer:

12/13

Step-by-step explanation:

The cosine of O

= QO / PO

= 12 / 13

You have land that you would like to use to create two distinct fenced-in areas in the shape given below. You have 410 meters of fencing materials to use. What values of x and y would result in the maximum area that you can enclose

Answers

Answer:

[tex]x = \frac{205}{3}[/tex]

[tex]y =\frac{195}{4}[/tex]

Step-by-step explanation:

Given

[tex]p = 410[/tex] --- perimeter

See attachment for fence

Required

x and y

The perimeter of the fence is:

[tex]p = 2(x + y +5 + y) +x[/tex]

Open bracket

[tex]p = 2x + 2y +10 + 2y +x[/tex]

Collect like terms

[tex]p = 2x+x + 2y + 2y+10[/tex]

[tex]p = 3x + 4y+10[/tex]

Substitute: [tex]p = 410[/tex]

[tex]3x + 4y+10 =410[/tex]

Make 4y the subject

[tex]4y =410-10-3x[/tex]

[tex]4y =400-3x[/tex]

Make y the subject

[tex]y =\frac{400-3x}{4}[/tex]

The area (A) of the fence is:

[tex]A = (y + y + 5) * x[/tex]

[tex]A = (2y + 5) * x[/tex]

Substitute: [tex]y =\frac{400-3x}{4}[/tex]

[tex]A = (2*\frac{400-3x}{4} + 5) * x[/tex]

[tex]A = (\frac{400-3x}{2} + 5) * x[/tex]

Take LCM

[tex]A = (\frac{400-3x+10}{2}) * x[/tex]

Solve like terms

[tex]A = (\frac{410-3x}{2}) * x[/tex]

Open bracket

[tex]A = \frac{410x-3x^2}{2}[/tex]

Remove fraction

[tex]A = 205x-1.5x^2[/tex]

Differentiate both sides

[tex]A' = 205 - 3x[/tex]

To maximize; set [tex]A' =0[/tex]

[tex]205 - 3x =0[/tex]

Solve for 3x

[tex]3x = 205[/tex]

Solve for x

[tex]x = \frac{205}{3}[/tex]

Recall that: [tex]y =\frac{400-3x}{4}[/tex]

So, we have:

[tex]y =\frac{400-3*205/3}{4}[/tex]

[tex]y =\frac{400-205}{4}[/tex]

[tex]y =\frac{195}{4}[/tex]

put 0.171, 0.18, 0.7, 0.251 into descending order

Answers

Answer:

0.7 , 0.251 , 0.18 , 0.171

Step-by-step explanation:

0.7 is highest 0.251 is 2nd highest 0.18 is lower and 0.171 is lowest as it is simplified to 0.17 to which is lower than 0.18. I am only 8 years old and you should thank me so yeah.

-6 - (-8) x 5 ÷ (-10)

Answers

Answer:

- 10

Step-by-step explanation:

-6+8×5÷-10

-6+40÷-10

-6-4

-10

Answer and Step-by-step explanation:

According to PEMDAS (Parenthesis, Exponents, Multiplication, Division, Addition, Subtraction),

First we multiply, then divide, then finally add/subtract.

-8 times 5 is -40.

-40 divided by -10 is 4.

-6 - 4 = -10

The answer to the expression is -10.

#teamtrees #PAW (Plant And Water)

What is 2 to the 5th power?​

Answers

Step-by-step explanation:

2 to the 5th power =2⁵=2×2×2×2×2=32

The value of 2 to the 5th power (2⁵) is equal to 32.

To calculate 2 to the power of 5 (2⁵).

We have to multiply the base number (2) by itself for the number of times specified by the exponent (5).

So, 2⁵ can be calculated as:

2 × 2 × 2 × 2 × 2

= 32

Therefore, 2 to the 5th power (2⁵) is equal to 32.

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Find the average rate of change of f(x) = -x² + 5x+2 from x=3 to x=6.
Simplify your answer as much as possible.

HELP ASAP PLEASE

Answers

9514 1404 393

Answer:

  -4

Step-by-step explanation:

The points at the ends of the interval are ...

  (3, f(3)) = (3, 8)

  (6, f(6)) = (6, -4)

The slope is given by the slope formula:

  m = (y2 -y1)/(x2 -x1)

  m = (-4 -8)/(6 -3) = -12/3 = -4

The average rate of change is -4.

Help


Kris is helping out neighbors by mowing lawns. All his neighbors have the same size lawn.

If he can mow 2/3 of a lawn in 1/6 of an hour, how many lawns can he mow in an hour?​

Answers

Answer:

4

Step-by-step explanation:

Given,

Size of the lawn he mow's in 1/6 hour = 2/3

Therefore,

Size of the lawn which can be mowed in 1 hour

[tex] = \frac{2}{3} \times 6[/tex]

= 2 × 2

= 4 (Ans)

The answer is 4. My reasoning is, me backing the other persons answer. Because I need to answer a question to ask a question on Brainly

Write the slope intercept form of the equation of the line through the given point with the given slope. Through (-5 -2) slope -3/5.

Write the slope intercept form of the equation of the line through the given pointS
Through (2 -1) and (5,5)

Answers

Answer:

y = -3/5 × -5 - 2y = 2 × -1 + 2

Step-by-step explanation:

#1

y = mx + bm = -3/5, x = -5, b = -2, y = yput in correct order

#2

(2, -1) - (5,5) = 6/3 = 2/1 = 2 (remember, y is over x. The formula is y2 - y1 / x2 - x1)Pick either point given (2, -1) or (5, 5)Plug the point iny = y, m = 2, x = 2, b = -1Put in order

#1

Equation in point slope form

y-y_1=m(x-x_1)y+2=-3/5(x+5)y=-3/5x-3-2y=-3/5x-5

That's also slope intercept form

#2

Slope

m=(5+1)/5-2)m=6/3m=2

Equation in point slope

y+1=2(x-2)y+1=2x-4y=2x-5

5th grade math. correct answer will be marked brainliest, answer the blank one!!

Answers

If mike runs 3 3/4 miles each day 6 1/2 days a week the answer would be 10.0

The 100-meter dash times in the girls track meet were normally distributed with a mean of 13 seconds and a standard deviation of 0.3 seconds. What is the probability that a runner finished between 12.4 and 14 seconds?

Answers

Answer:

97.68 %

z(lower) = .0227

z(upper) = .999

Step-by-step explanation:

Keenan is playing darts. So far, he has hit the bullseye 2 times and missed the bullseye 8 times. Considering this data, how many bullseyes would you expect Keenan to get during his next 20 tosses?

Answers

Answer:

4 times

Step-by-step explanation:

First you take the number of times and divide them by the number of times he  attempted it. (2)/(8+2) or 1/5. Then you set up an inequality which would look like this. x/20=1/5 then you will cross multiply them to get this equation 5x=20. then you solve for x and you would get x=4. So you can expect him to hit four bullseyes in the next 20 attempts.

Evaluate a^4 - 6b + 3b ÷ ac for a=-2, b=6, c=3
Show work please

Answers

Answer:

0.333

Step-by-step explanation:

2^4-6(6)+3(6)÷2×3

=16-36+18÷6

=-2÷6=0.333

A ball is thrown straight down from the top of a building at a velocity of 16 ft/s. The building is 480 feet tall, and the acceleration due to gravity is 32 ft/s2.

This problem can be represented using the following equation.

How much time will the ball take to reach the ground? (1/2)32t^2+16t=480

Answers

Answer:

Time, t = 5 seconds.

Step-by-step explanation:

Given the following data;

Initial velocity = 16 ft/s

Height = 480 ft

Acceleration due to gravity = 32 ft/s²

To find how much time it will take the ball to reach the ground, we would use the kinematic equation given by the formula;

[tex] d = V_{i}t + \frac {1}{2}at^{2} [/tex]

Where;

d is the displacement.Vi is the initial velocity.a is the acceleration or acceleration due to gravity.t is the time measured in seconds.

Substituting into the equation, we have;

[tex] 480 = 16t + \frac {1}{2}*32t^{2} [/tex]

[tex] 480 = 16t + 16t^{2} [/tex]

Dividing all through by 16, we have;

[tex] 30 = t + t^{2} [/tex]

Re-arranging the quadratic equation, we have;

[tex] t^{2} + t - 30 = 0 [/tex]

We would solve the quadratic equation by factorization;

[tex] t^{2} + 6t - 5t - 30 = 0 [/tex]

[tex] t(t + 6) - 5(t + 6) = 0[/tex]

[tex] (t + 6)(t - 5) = 0 [/tex]

t = -6 or 5

Since we know time can't be negative, we would ignore the value of -6.

Therefore, time = 5 seconds

Honestly I’m bad at math what is the following product

Answers

Answer:

It’s either D or C

Step-by-step explanation:

It’s D i believe but not sure

Please help me out! This is due today. :'(

Answers

Answer:

d.

the plant is 7mm,then times 2 of itself by on week.

so in 4weeks, it will be .

7×2×2×2×2

Factorizie completely 2ap+aq-bq-2bp​

Answers

Answer:

2ap + aq - bq -2bp = (a - b)(2p + q)

Step-by-step explanation:

(2ap + aq) - (bq -2bp)

a(2p +q) -b(q + 2p)    [ taking a common from the first, and b from the second]

(2p + q) [a - b]           [takin (2p + q)]

(2p + q)(a - b)

The completely factored form of the expression 2ap + aq - bq - 2bp is

(a - b)(2p + q).

In order to completely factorize the given expression, we need to look for common factors and apply factorization techniques.

Given expression: 2ap + aq - bq - 2bp

Step 1: Look for common factors.

Notice that 'a' is common in the first two terms, and '-b' is common in the last two terms.

Step 2: Factor out the common terms.

We can factor 'a' from the first two terms: a(2p + q)

And factor '-b' from the last two terms: -b(q + 2p)

Step 3: Rearrange the expression.

Now we have: a(2p + q) - b(q + 2p)

Step 4: Factor by grouping.

We can see that (2p + q) is common in both terms, so we can factor it out: (2p + q)(a - b)

Step 5: Final result.

Thus, the completely factored form of the given expression is

(a - b)(2p + q).

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PLEASE PLEASE HELP ME

Answers

17 and 4, the two y values, are in the wrong place and should be swapped

measure the bearing from b to a then bearing from a to b​

Answers

Answer:

[tex]ax \: \: \: \: \: \: \: \:xb[/tex]

A company is considering to choose between two investment projects with the
following details.
Project A : Costs RM7 million in upfront costs and will generate RM3 million in
annual income for five years starting three years from now.
Project B : Costs RM2.5 million upfront and RM2 million in each of the next
three years. This project generates no annual income but will be sold
six years from now for a sales price of RM16 million.
By using Net Present Value approach, with a discount rate of 8%, determine
which project should be choosen by the company.​

Answers

Answer: Project A should be chosen as it has the highest NPV.

Step-by-step explanation:

Project A

Present value of inflows:

First find the present value of inflows 3 years from today. Bear in mind that the inflow is constant so this is an annuity:

= 3 million * Present value interest factor of annuity, 8%, 5 years

= 3 million * 3.9927

= RM11,978,100

Discount this value to the present:

= 11,978,100 / (1 + 8%)³

= RM9,508,602

Net Present value = Present value of inflows - Investment

= 9,508,601 - 7,000,000

= RM2,508,601

Project B:

Find present value of costs:

= 2,500,000 +  (2 million * Present value interest factor of annuity, 3 years, 8%)

= 2,500,000 + (2,000,000 * 2.5771)

= 2,500,000 + 5,154,200

= RM7,654,200

Net present value = (16,000,000 / (1 + 8%)⁶) - 7,654,200

= RM2,428,514

Project A should be chosen as it has the highest NPV.

WILL MARK BRAINLIEST!!!

Which Segment below is a chord?

Answers

Which segment below is a chord?
Q-R

Outcome 0 1 2 3 Probability 0.25 0.25 0.25 0.25 Which is the expected value of the random variable with the given probability distribution? a. 0 c. 1.5 b. 1 d. 2 Please select the best answer from the choices provided

Answers

Answer:

1.5

Step-by-step explanation:

.25*0+1*.25+2*.25+3*.25=1.5

Evaluate the expression below:

7 • (10 + 3 ) – 82

Answers

Answer:

Its 9.

Step-by-step explanation:

First you do the math inside the parenthesis (13), then your gonna multiply 7 by the numbers you got in the parenthesis (7*13), finally subtract 82 from 7*13 and you get your answer, 9.

( 10+3)-82= -69

13- 82 =69

Which expression is equivalent to (9.5 x 10^5) - 23,000 please help?

Answers

Your answer is 9.27 x 10^5

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