Please solve with work,,, I need this quick plsssss

Please Solve With Work,,, I Need This Quick Plsssss

Answers

Answer 1

The volume of the solid that results, when the region enclosed by the curves, is revolved about the x-axis is 3.35 cubic units.

What is a solid revolution?

When a figure is revolved around some fixed axis, the whole three-dimensional solid formed from the area that it swaps out is called a solid of revolution.

The function is given below.

y = - x² + 1

y = 0

Then the volume of the solid will be

[tex]\rm Volume = 2\int \pi y^2 dx\\\\\\Volume = 2 \int _0^1 \pi (-x^2 + 1)^2 dx\\\\\\Volume = 2 \pi \int _0^1 (x^4 - 2x^2 + 1)dx\\\\\\Volume = 2 \pi \left [ \dfrac{x^5}{5} - \dfrac{2x^3}{3} + x \right]^1_0\\\\\\[/tex]

On solving further, we have

Volume = 2π [(1/5 - 2/3 + 1) - 0]

Volume = 2π [8/15]

Volume = 3.35

Then the volume of the solid will be 3.35 cubic units.

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Related Questions

Aaron flips a coin three times, what is the correct sample space (all possible outcomes)?

H or T

HHH, HHT, HTH, THH, TTH, THT, HTT, TTT

HT, HT, HT

HHH

Answers

HHH, HHT, HTH, THH, TTH, THT, HTT, TTT

That is representative of all possible outcomes from flipping the coin

You are in business and have a product that sells for $10 that 1,000 people buy each month You want to make a profit and wonder whether you should raise the price in increments of a dollar For each dollar you raise the price , you lose 100 customersHow many dollars can you increase in price to maximize your profit or should you increase in price at all?

Answers

No, you shouldn’t increase in price your profit will only get lower if you increase the price

Based on the attached photo and explanation below, the price should not be increased at all.

How to know when profit is maximized?

Note: See the attached photo for the calculation of Revenues at Different Number of Customers and Prices.

Every other being equal, profit is maximized when revenue is at the maximum,

From the attached photo, it can be seen that revenue is at the maximum or the highest when the price is $10 and the number of customers is 1,000.

Increasing the price in increments of a dollar results in a fall in revenue progressively until it reaches $0.

Therefore, the price should not be increased at all.

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The table shows the annual sales revenues of different types of vehicles made by four automobile manufacturers.

The number in the highlighted cell is ______ (options are: a. the number of convertibles sold by Pluto Cars b. the revenue from sales of convertibles by Pluto Cars c. the revenue from sales of sedans by Pluto Cars d. the total sales revenue of Pluto Cars). The relative frequency of this vehicle category compared with the total sales revenue of Pluto Cars is _______ (options are: a. 0.107 b. 0.225 c. 0.29 d. 0.33)​

Answers

Using the relative frequency concept, it is found that:

The number in the highlighted cell is: b. the revenue from sales of convertibles by Pluto CarsThe relative frequency of this vehicle category compared with the total sales revenue of Pluto Cars is: b. 0.225.

What is a relative frequency?

A relative frequency is given by the number of desired outcomes divided by the number of total outcomes.

The number in the cell has bounds conversible and Pluto Cars, and the table represents the amount earned, that is, revenue, hence option b is correct.

The total revenue of Pluto Cars is of $80 million, with convertibles corresponding to $18 million, hence the relative frequency is given by:

r = 18/80 = 0.225.

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Can someone PLEASE help with these 10th grade geometry angle problems? I have no idea how to solve these and I'm desperate. My teacher won't get back to me and I really need this done. will reward brainly and 5 stars + thanks. You don't have to answer both if you don't want to. either would help tremendously.

Answers

Question 1

Given

m∠MPN = 35°mLP = 130°

To find

The value of mMN

We can see MN is intercepted by the angle MPN.

Inscribed angle is half the measure of intercepted arc

m∠MPN = 1/2mMN ⇒

mMN = 2 × m∠MPN = 2 × 35° = 70°

The answer is mMN = 70°

Question 2

Given

m∠AOB = 40°mED = 60°

To find

m∠COD

See the solution with reasons for each line

m∠COD = m∠EOB             ⇔ vertical angles are congruent

mBD = 180°                         ⇔ BD is diameter and cuts the circle in   half

m∠EOB = mBD - mED        ⇔ Angle addition

m∠EOB = 180° - 60° = 120° ⇔ Substitution

So the answer is m∠COD = 120°

1 AB is tangent to circle O at B. The diagram is not drawn to scale. If AB=12 nd AO=15, what is the length of the radius (r)

Answers

Answer:

r = 9 units

Step-by-step explanation:

since AB is a tangent to the circle at B , then ∠ ABO = 90°

so Δ ABO is a right triangle

using Pythagoras' identity in the right triangle

OB² + AB² = AO² , that is

r² + 12² = 15²

r² + 144 = 225 ( subtract 144 from both sides )

r² = 81 ( take square root of both sides )

r = [tex]\sqrt{81}[/tex] = 9

GIVING BRAINLIEST!!!!!

Answers

Answer:

option 1, 2

Step-by-step explanation:

since R is between Q and S

____________________

Q    (3x+6)     R    (5x-2)    S

--------------(12x - 4)-------------

Q                                       S

so

QR + RS = QS

[tex](3x+6) + (5x - 2) = 12x - 4\\(3x + 5x) + (6 - 2) = 12x - 4\\(8x) + (4) = 12x - 4\\8x + 4 - 4 = 12x - 4 -4\\8x = 12x - 8\\8x - 12x = 12x - 12x - 8\\-4x = -8\\\frac{-4x}{-4} = \frac{-8}{-4}[/tex]

Answer:

2

Step-by-step explanation:

It mentions R is between points Q and S.

Hence, QR + RS = QS.

3x + 6 + 5x - 2 = 12x - 48x + 4 = 12x - 412x - 8x = 4 + 44x = 8x = 2

2. In circle 0, points A and B lie on the circle such that OA = 2x + 9 and OB = 27 – x. Which of the following
represents the length of the radius of circle O?
(1) 6
(3) 21
(2) 18
(4) 42

Answers

6 because you set them equal and solve

The blue dot is at what value on the number line?

Answers

Answer:

I believe it would be -20 because the number line values skip by 2 or 3 each skip.

ixl a game company sold 292 games 290 of the games were board games and the rest were card games what is the ratio of the number of card games to the total number of games

Answers

Answer:

2:292

Step-by-step explanation:

They sold 292 in total

290 were board games and the rest were cards

so,

292-290=2

2 card games

Answer: 2:292

Step-by-step explanation:

They sold 292 in total

290 were board games and the rest were cards

so,

292-290=2

2 card games

SOMEONE HELP ME PLS I NEED HELP

Answers

Answer:

[tex]m\angle{W} = {75{^\circ}}[/tex]

[tex]m\angle{Y} = {15{^\circ}}[/tex]

[tex]m\angle{Z} = {90{^\circ}}[/tex]

Step-by-step explanation:

All angles in a triangle must add up to [tex]180{^\circ}[/tex]

First we can use an equation to find [tex]x[/tex]

[tex](x - 15) + (2x - 165) + 90 = 180[/tex]

[tex]3x - 180 = 90[/tex]

[tex]3x = 270[/tex]

[tex]x = 90[/tex]

Now we can solve for [tex]\angle W[/tex]and [tex]\angle Y[/tex] through substitution

[tex]\angle{W} = 90 - 15 \rightarrow \boxed{75{^\circ}}[/tex]

[tex]\angle{Y} = 2x - 165 \rightarrow 2(90) - 165 \rightarrow 180 - 165 \rightarrow \boxed{15{^\circ}}[/tex]

Now we can classify the triangle

It is right because it has a [tex]90{^\circ}[/tex] angle

These are the answers

- Kan Academy Advanced

If the volume of sphere is 4574.9 cubic inches is the radius?

Answers

Answer:

10.3

Step-by-step explanation:

Volume of a sphere

 V = 4/3 pi r^3

4574.9  = 4/3 (3.14) r^3

r= 10.3 in

help pleasee!!?? Thank u​

Answers

9,160.88 whatever units.

Answer: 9,156.24 ft³

Step-by-step explanation:

The formula for the volume of a cylinder is V = πr²h. The problem gives us both the radius and the height, so we have all necessary values to solve by substitution:

r = 9

h = 36


V = π(9)²×36

= 81 × 36 × π

= 2916π

= 9,156.24 ft³

2
3 D
5
6
8
9
10
x²-4
Which shows all the critical points for the inequality ²-5x+6
<<0?
O x=-2 and x = 2
Ox= 2 and x = 3
Ox=-3, x = -2, and x = 2
O x= -2, x = 2, and x = 3

Answers

2
3 D
5
6
8
9
10
x²-4
Which shows all the critical points for the inequality ²-5x+6

The critical points for the inequality x²-5x+6 is x= 2 and x = 3.

What is critical point?

In calculus, a critical point of a function is a point where the derivative of the function is either zero or undefined.

These points are important in determining the maximum and minimum values of a function, and can also help identify points of inflection and other important features of a curve.

To find the critical points for the inequality x²-5x+6, we need to find the values of x that make the expression equal to zero (i.e., the roots of the quadratic equation).

We can factor the expression as (x-2)(x-3) and set each factor to zero to find the critical points:

x-2 = 0 or x-3 = 0

x = 2 or x = 3

So the critical points are x = 2 and x = 3.

Therefore, the answer is x= 2 and x = 3.

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1 A jewelry salesperson eams 55% commission on all sales. Today he sold $7,770 in jewelry. What is his total commission earned? The total commission the salesperson earned is $ (Round to the nearest cent as needed.)​

Answers

Answer:

$4,273.50

Step-by-step explanation:

Multiplying the total sale amount by 55% commission :

7,770 x 55%7,770 x 0.557,770 x 11/20388.50 x 11$4,273.50

Fake records usually have fewer first digits 1, 2, and 3. What is the approximate probability, if Benford's law holds, that among 1500 randomly chosen invoices there are 843 or fewer amounts with first digit 1, 2, or 3

Answers

The probability that there are 843 or fewer amounts with first digit 1, 2, or 3 is 0.562

How to determine the probability?

The given parameters are:

Fewer digits = 843

Total = 1500

The probability is then calculated as:

P = 843/1500

Evaluate the quotient

P = 0.562

Hence, the probability that there are 843 or fewer amounts with first digit 1, 2, or 3 is 0.562

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Find the solution of the square root of the quantity of x plus 2 plus 4 equals 6, and determine if it is an extraneous solution. x = 2; extraneous x = 2; not extraneous x = 30; extraneous x = 30; not extraneous

Answers

The solution of the equation √x+2 + 4 = 6 is x = 2 and it is not an extraneous solution

How to find the solution of an equation?

The solution of the equation can be found as follows;

√x+2 + 4 = 6

subtract 4 from both sides

√x+2 + 4 - 4 = 6 - 4

√x+2  = 2

square both sides

(√x+2)² = 2²

x + 2 = 4

x= 4 - 2

x = 2

Therefore the solution is x = 2 and it is not a extraneous solution.

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Writing fractions with a common denominator to add or subtract

Answers

Answer:

5/6-1/9=45/54-6/54=39/54.

Step-by-step explanation:

hey!

To make fractions have a common denominator, multiply both the numerator and denominator by the same number. For example, 5/6=45/54 because I multiplied 5 and 6 both by 9, and 1/9= 6/54 because I multiplied 1 and 9 by 6. This is the same for all fractions.

Hope this helped :)

Answer:

13/18

Reasoning:

First. We have to find the GCD

Second. Multiply both fractions with the number that creates the GCD

5/6 x 3/3 - 1/9 x 2/2 = 15/18 - 2/18

Third. Subtract 15/18 - 2/18 = 13/18

( Would appreciate if you marked me brainliest )

Write and simplify an expression that represents the sum of the perimeters of the square and the triangle.



A square with side length 6x. A triangle with side lengths 3x, 3x, and x - 2.

Answers

Answer:

To solve this question, you simply apply algebraic formulas to geometric relationships.

The perimeter is simply the sum of the lengths of the sides of a shape. However, in this case, there is an "x" involved, so you must add algebraically.

Simply add the length of the sides up.

[3x] + [6x-2] + [x+3] + [4x+1] + [5x-2] = Perimeter

Now, simplify. Since adding is commutative, you can simply put all the variables first and constants next, no matter where they come from within the expression.

3x + 6x + x + 4x + 5x + -2 + 3 + 1 + -2

19x + 0 (-2-2 + 3+1 cancel out)

The perimeter of this pentagon is 19x.

Step-by-step explanation:

help meeeeeeeeeeeeeeeeeeeeeeeeeee

Answers

Answer:

*These Should be the correct answers*

1.C

2.D

Step-by-step explanation:

The diameter of a circle is 14 miles. What is the circle's area?
Use 3.14 for ​.

Answers

Answer:

153.86cm^2

Step-by-step explanation:

area of a circle= πr^2

where r = radius= 14/2= 7miles

area= 3.14×(7×7)

area= 3.14×49= 153.86cm^2

solve 8,327.8- 12.034 923.01+74.289

Answers

Answer:

8,327.8 - 12.034 = 8315.766

923.01 + 74.289 = 997.299

hope this helps:)

Put this equation into slope-
intercept form.
5x – 4y = 12

Answers

Answer:

[tex]y =\frac{5}{4}x+ ( -3)[/tex]

Step-by-step explanation:

Step 1:  Subtract 5x from both sides

[tex]5x - 4y = 12[/tex]

[tex]5x - 5x - 4y = 12 - 5x[/tex]

[tex]-4y = 12 - 5x[/tex]

Step 2:  Divide both sides by -4

[tex]\frac{-4y}{-4} = \frac{12}{-4} - \frac{5}{-4}x[/tex]

[tex]y =\frac{5}{4}x+ ( -3)[/tex]

Answer: [tex]y =\frac{5}{4}x+ ( -3)[/tex]

The volume of this rectangular prism is 122,264 cubic millimeters. What is the value of z? (will mark brainliest)

Answers

Answer:

z = 58 mm

Step-by-step explanation:

Volume of the rectangular prism :

Volume = length x breadth x height

Solving :

122,264 = 62  x z x 34122,264 = 2,108 x zz = 122,264/2,108z = 58 mm

Answer:

z = 58 mm

Step-by-step explanation:

Volume of a rectangular prism: length × width × height

V = L×W×H

v = 122,264 mm³l = 62 mmw = z mmh = 34 mm

Substitute the values above and solve for z:

122,264 = 62 × z × 34

122,264 = 2108z

122,264/2108 = 2108z/2108

58 = z

Final answer: 58 mm

Hope this helps!

two squares have a total area of 208cm square and sum of their perimeter is80cm what are the length of sides of square

Answers

The length of the sides of the square are 8 centimetres and 12 centimetres respectively

How to finds area of a square?

area = l²

where

l = side length

Therefore,

x² + y² = 208

How to finds perimeter of a square?

perimeter = 4l

4x + 4y = 80 cm

x + y = 20

x = 20 - y

(20 - y)² + y² = 208

y² - 40y + 400 + y² = 208

2y² - 40y + 192

y² - 20y + 96

(y - 12)(y - 8)

Therefore, y  = 12 and y = 8

when y = 8

x + 8 = 20

x = 12

when y = 12

x + 12 = 20

x = 8

Therefore, the length of the sides of the square are 12 cm and 8 cm.

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please help.... thank you​

Answers

Answer:

The first one is 1/2.

The second blank is 1 1/6

The third blank is 3/2

The fourth blank is 5/3

The fifth blank is 2 2/3.

The sixth blank is 2 5/6.

what's the answer to 4x-6=3x

Answers

4x - 6 = 3x

4x - 6 - 3x = 0

x - 6 = 0

x = 6
X=6…………………..
Hope this help

sharmar spent at least 30 minutes playing his guitar on saturday he spent 10 minutes longer playing his guitar on saturday than on friday. how many minutes could shamar have played his guitar on friday F?

Answers

20 minutes
Because-


If he did ten more minutes then friday just do 30 - 10 whih 20 mins

Which sign makes this number sentence true?

|-56| __ |56|
A. >
B. <
C. =
D. x

Answers

Hey there!


Basically your above absolute value is the proportions of real numbers regarding the sign of it. So, a negative absolute value will most likely be a positive. Same thing with positive & positive & also a positive & a negative. It all depends!

So, the correction equation should be:

|-56| = |56|


Answer: =


Good luck on your assignment & enjoy your day!


~Amphitrite1040:)

If it takes 15 minutes to dry your hair with a 1.200 kW hair drier, how much energy is used in drying your hair?

Answers

The quantity of energy moved or transformed per unit of time is referred to as power. The amount of energy that is consumed by the hairdryer in 15 minutes will be 0.3 kWh.

What is power?

The quantity of energy moved or transformed per unit of time is referred to as power.

Formula: Power = Energy / Time

Units: kW = kWh / hour

The power of electric equipment is given by the formula,

P = E/t

where E is the energy consumed in kWh and t is the time in hours.

Given the power of the hairdryer is 1.200 kW while the time for which it is kept on is 15 minutes, therefore, 0.25 hours. Now, the energy consumed by the dryer in 15 minutes will be,

1.200 kW = E / 0.25

0.3 kWh = E

Hence, the amount of energy that is consumed by the hairdryer in 15 minutes will be 0.3 kWh.

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How many solutions does this equation have?

–9d + 4 = –4 − 10d

Answers

Answer:

One Solution

Explanation:

–9d + 4 = –4 − 10d

change sides

–9d + 10d = -4 - 4

one solution ↓

d = -8

Answer:

One solution

Step-by-step explanation:

When solving for d, you get d = - 8

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