If p (x)is equals to x cube minus x square + X + 1 find value of P (- 1)+ p(1) / 2

Answers

Answer 1

p(x) = x³ - x² + x + 1

i ) p(-1) = (-1)³ - ( -1 )² + ( -1 ) + 1

= -1 - 1 - 1 + 1

= -2

ii ) p( 1 ) = 1³ - 1² + 1 + 1

= 1 - 1 + 1 + 1

= 2

Now ,

[ p(-1) + p(1) ]/2

= [ -2 + 2 ]/2

= 0

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Related Questions

PLEASE HELP HELP PLEASE

Answers

What do u need help with I can’t read the picture

find the measure of angle k​

Answers

40 should be the angle

Pls help with a and b

Answers

Part a: The value of x such that the both lines are parallel to each other is (x = 12).

Part : The value of y such that the both lines are parallel to each other is (y = 108).

What is defined as the corresponding angles?Corresponding angles are generated when two parallel lines have been intersected by a transversal. The definition of corresponding angles states that when two parallel lines intersect with a third, the angles that take up the same relative position at every intersection are said to be corresponding angles to one another.

In the given figure;

Part a: For making the lines w and t parallel to each other; their corresponding angles must be equal.

Thus,

4x + 60 = 9x

Solving;

9x - 4x = 60

5x = 60

x = 12

Thus, the value of x for which both lines w and t are parallel is 12.

Part b: For making the lines u and v parallel to each other; their corresponding angles must be equal.

Thus, 9x = y

Put x = 12.

y = 9×12

y = 108.

Thus, the value of y for which both lines u and v are parallel is 108.

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What function is even

Answers

Answer:

A function f is even if the graph of f is symmetric with respect to the y-axis. Algebraically, f is even if and only if f(-x) = f(x) for all x in the domain of f.

Using the given table of an exponential function, determine the growth/decay factor as well as the rate of increase/decrease. Type your answers in as numbers. Example: Growth Factor: 3.5, Rate of Increase: 2.5. (Do not input your rate of increase as a percent.)

Answers

Answer:

Growth rate is -0.25

Growth factor is 0.75

Step-by-step explanation:

The general form of an exponential equation is;

y = a(1 + r)^x

Where a is the initial value

r is the growth rate

For x = 3; we have

168.75 = 400(1 + r)^3 •••• (i)

For x = 2, we have

225 = 400(1 + r)^2 •••••(ii)

Divide i by ii

That will be;

168.75/225 = 1 + r

1 + r = 0.75

r = 0.75-1

r = -0.25

The growth rate is -0.25

The growth factor is 1-0.25 = 0.75

Help ill make you brainlist

Answers

Answer:

z=8

Step-by-step explanation:

Answer:

z = 8

Step-by-step explanation:

Given

- 9z - 7 = - 23 - 7z ( add 9z to both sides )

- 2z - 7 = - 23 ( add 7 to both sides )

- 2z = - 16 ( divide both sides by - 2 )

z = 8

The cost of a hoodie is $42.00 plus 7% sales tax. What is the sales tax, in dollars and cents, on the
hoodie?
A. $2.94
B. $294
C. $29.40
D. $0.29

Answers

Answer:

A. 2.94$

Step-by-step explanation:

You have to multiply 42 by the percentage converted into a decimal so 7 percent would be .7.

42x.7= 2.94

What is the answer to 69 x 420?

Answers

293160-1+1-1+1-1+1= your answer

:D

Answer:

28980

Step-by-step explanation:

nice

A bag of skittles contains 4 red skittles, 3 green skittles, 2 orange skittles, and 1 purple skittle. What is the probability that you randomly choose a skittle that is green, do not replace it, and then draw a purple skittle?​

Answers

Answer:1/30

Step-by-step explanation:

green: 3/10

purple don't replace: 1/9

3/10*1/9=1/30

Sam’s school is selling candles and baskets for a fundraiser. On the first day of sales she sold 11 candles and 3 baskets for a total of $82. She raised $114 on the second day by selling 12 candles and

6 baskets. What is the price for one candle and one basket?

Answers

Answer:

Okay, so its kinda funny that you ask this question because its on our performance final that's due tomorrow but use elimination.

Step-by-step explanation:

Write an equation of the line with a slope of -2/7 and a y-intercept of 5
Y=_____

Answers

Answer:

y= -2/7 +5

Step-by-step explanation:

The equation of the line with a slope of -2/7 and a y-intercept of 5 is y=-2/7 x+5.

Given that, slope (m) =-2/7 and y-intercept (c) =5.

What is slope of a line?

The slope of the line is the ratio of the rise to the run, or rise divided by the run. It describes the steepness of line in the coordinate plane.

The standard form of the slope intercept form is y=mx+c.

Put m=-2/7 and c=5 in y=mx+c, we get

y=-2/7 x+5

Therefore, the equation of the line with a slope of -2/7 and a y-intercept of 5 is y=-2/7 x+5.

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what is the range shown in this table

Answers

Answer:

14

Step-by-step explanation:

Range is, basically, the span of all y-values.

To find range, you take the highest y-value and subtract from it the lowest y-value.

Here the highest "y" is 7 and the lowest is -7, so the range is 14.

-7x-2y= -13
x-2y= 11

Solve the question with substitution and show work

Answers

Answer:

x=3,y= -4

Step-by-step explanation:

ii) x-2y=11

x=11+2y-----(i)

Now,

i) -7x-2y= -13

or, -7(11+2y)-2y= -13

or, -77-14y-2y = -13

or -14y-2y = -13+77

or -16y = 64

or y =64÷(-16)

:: y = -4

Again,

(ii) x-2y= 11

or x-2(-4)= 11

or x+8 = 11

or x = 11-8

:: x = 3


Question #2: What is the equation of the line in slope-intercept form?

Answers

Answer:

y = 1/2x + 4

Step-by-step explanation:

HELP.
C=
5
9
(F−32)

The equation above shows how temperature F, measured in degrees Fahrenheit, relates to a temperature C, measured in degrees Celsius. Based on the equation, which of the following must be true?

A temperature increase of 1 degree Fahrenheit is equivalent to a temperature increase of
5
9
degree Celsius.
A temperature increase of 1 degree Celsius is equivalent to a temperature increase of 1.8 degrees Fahrenheit.
A temperature increase of
5
9
degree Fahrenheit is equivalent to a temperature increase of 1 degree Celsius.
A) I only
B) II only
C) III only
D) I and II only

Answers

Answer:

sorry dear kyaa aap one one question daal skte hai

If p is inversely proportional to the square of q, and p is 28 when q is 3, determine p when q is equal to 2.

Answers

Answer:63

Step-by-step explanation:

4x+8=7.2+5x
solve for x​

Answers

4x+8=7.2+5x
-7.2 -7.2
4x+0.8=5x
-4x -4x
0.8 = x

Hope this helps.

Answer:

x = 0.8

Step-by-step explanation:

We are given this equation:
4x+8=7.2+5x

And we want to solve it for x.

To solve equations, we need to isolate the variable (x) on one side, and the numbers on the other side.

First, we can clear the numbers from the right side by subtracting 7.2 from both sides.

4x + 8 = 7.2 + 5x

     -7.2  -7.2

_______________

4x + 0.8 = 5x

Now, we can subtract 4x from both sides.

4x + 0.8 = 5x

-4x             -4x

_______________

0.8 = x

This can be rewritten to be: x = 0.8

The value of x is 0.8

Topic: solving equations

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Is the equation proportional?
y = 2x + 6

Answers

Answer:

yep

Step-by-step explanation:

Answer:

yes

Step-by-step explanation:

2x + 6 is equal

Solve: 67 = 19e^.07t

Help me find t please!

Answers

Answer:

Step-by-step explanation:

hope thsi helps

Which of the following points is on the line whose equation is 2x - y = 3?
(-1, -5)
(0, 3)
(2, -1)
(3, 2)

Answers

Your answer would be 0,3. This is my best guess.

I would also guess 2,-1. I’m not 100% sure on these, but there is a very good possibility it would be one of those two.

in quadrilateral ABCD what is m

Answers

Answer:

B.99°

Step-by-step explanation:

105°+ 66°+90°+ angle c=360°

angle c= 360° - 261

=99°

What is the area of sector AOB? Will choose the brainliest!!!

Answers

Area of sector AOB:

S =

[tex]\pi \times {9}^{2} \times \frac{60}{360} = 13.5 \times \pi[/tex]

solve:6x+2=2(x+4)-2
happy holidays!

Answers

Answer:

x = 1

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to Right

Equality Properties

Step-by-step explanation:

Step 1: Define Equation

6x + 2 = 2(x + 4) - 2

Step 2: Solve for x

Distribute 2:                              6x + 2 = 2x + 8 - 2Combine like terms:                 6x + 2 = 2x + 6Subtract 2x on both sides:       4x + 2 = 6Subtract 2 on both sides;        4x = 4Divide 4 on both sides:            x = 1

Step 3: Check

Plug in x into the original equation to verify it's a solution.

Substitute in x:                    6(1) + 2 = 2(1 + 4) - 2Multiply:                               6 + 2 = 2(1 + 4) - 2Add:                                     8 = 2(5) - 2Multiply:                               8 = 10 - 2Subtract:                              8 = 8

Here we see that 8 does indeed equal 8.

∴ x = 1 is the solution to the equation.

NEED ANWERS ASAP 100 POINTS FOR CORRECT select the correct answer. x y 0 3 3 15 7 31 10 43 Which of the following linear equations corresponds to the table above? A. y = 4x - 3 B. y = 1/4 x - 3 C. y = 1/4 x + 3 D. y = 4x + 3 Rese

Answers

Answer:

theres is not table shown

Step-by-step explanation:

Answer:

A

Step-by-step explanation:

Solution in y-intercept form y=mx+b

We can calculate the slope of the line using any 2 of the given points: I pick (0,3) and (3,9) . Recall the formula for finding the slope of the line through 2 points (x1,y1) and (x2,y2) as m=(y2-y1)/(x2-x1)

By plugging in the corresponding values, we get (9-3)/(3-0)=6/3=2

Since we now the value of y when x is zero, i.e. the point (0,3) of the table, then the value of b is 3.

Now, putting everything together, we have y=2x+3

Solution in point-slope form y-y1=m(x-x1)

You can proceed the same way above to find the slope m=2

Now use one of the points in the given table to plug into x1 and y1

Doing the last 2 steps will result in y-23=2(x-10) if you use the point (10,23)

Realize that the point slope form of the equation of a line is not unique since using a different point will result in different values of x1 and y1. So the answer is A

6 Find the value of x' and each angle

Answers

The value of x=10 and m∠SOP=50° and m∠ROQ=50°  .

When two straight lines intersect each other at a point then vertical angles are formed , there are two pair of vertically opposite angles and also , the vertically opposite angles are equal.

In the given question

m∠SOP = (5x)°      ...(i)

and

m∠ROQ = (4x+10)°    ...(ii)

and Since the angles m∠SOP  and m∠ROQ are vertically opposite , they will be equal .

On equating we get  ,

m∠SOP=m∠ROQ

Substituting the values  from equation (i) and (ii) we get ,

5x=4x+10

5x-4x=10

x=10.

Substituting the value of x in equation (i) we get ,

m∠SOP = (5*10)° = 50°

Substituting the value of x in equation (ii) we get ,

m∠ROQ = (4*10+10)° = (40+10)° = 50°

Therefore , the value of x=10 and m∠SOP=50° and m∠ROQ=50°  .

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please help me with this

Answers

Answer:

Step-by-step explanation:

Plz answer corecctlt 4 1⁄6 ÷ 1 1⁄3 = and also give the mixed fraction

Answers

Answer:

The answer is 0.5 and the Mixed Fraction is 1/2

Step-by-step explanation:

Answer:

3 1/8

Step-by-step explanation:

im only answering this late incase if someone else is looking for the right answer

Determine the cost of 31 guests.
Party B: $850 flat fee for 31 to 50 guests

Answers

Answer:

b

Step-by-step explanation:

31x 1 is 850

Use 45-45-90 & 30-60-90 Special Right Triangles to Solve. find the missing sir length. Leave you answers as radicals in simplest form

Answers

Answer:5) x=y=7×6^1/2,6)x=38,y=19×3^1/2

7)m=n=18,8)u= 2×5^1/2,v=3

Step-by-step explanation: use trigonometry laws

What is cos k ?
A 25/7
B 25/24
C 7/25
D 24/25

Answers

Answer:

c 7/25

Step-by-step explanation:

edge 2021

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