E Homework: HW 9.3Question 7, 9.3.17HWотFind the area of the shaded regionInside the square and between thetwo circles. Use x 3.1410 m10 mThe area of the shaded region is approximatelym?(Type an integer or decimal)

Answers

Answer 1

Area of shaded region = 168.56  [tex]m^2[/tex]

What is area of square and semicircle?

Area of square is the total space taken by the square.

If the side of square is a units, then area of square is calculated by

Area of square = [tex]a \times a[/tex] sq units

Area of semicircle is the total space taken by the semicircle

If the radius of semicircle is r units, then area of semicircle is calculated by

Area of semicircle = [tex]\frac{1}{2}\times \pi \times r^2[/tex] sq units

Here,

Side of square = 28 m

Area of square = [tex]28 \times 28 = 784 m^2[/tex]

Radius of circle = [tex]\frac{28}{2} = 14 m[/tex]

Area of two semicircles =

                                         [tex]2 \times \pi \times r^2 \times \frac{1}{2}\\3.14 \times 14 \times 14\\615.44 m^2[/tex]

Area of shaded region = [tex](784 - 615.44) m^2[/tex]

                                      = 168.56 [tex]m^2[/tex]

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Complete Question

The figure has been attached here.

E Homework: HW 9.3Question 7, 9.3.17HWFind The Area Of The Shaded RegionInside The Square And Between

Related Questions

Which of the following would result in an integer?
O a.) 120
O b.) √144
O c.) √52
O d.) √24

Answers

The answer is either Option (a) or option(b) or both the options i.e, 120 or √144

What is Integer ?

An  integer is a whole number from the set of -ve , non-negative , +ve and 0 numbers.

Let's see how both the option is  correct

we know, integers are 0,1, 2, 3, .... or -1, -2 , -3 ......

Means the number which is not in fraction or decimal value or root.

so, by seeing option(a) we can say it's an integer

but in option(b) it's the root so how it is integer

The answer is simple it's perfect square of 12 so √144 = 12 so that means it have the value which is not in fraction. By that we can say that option(b) is also an integer

Now, in option(c) and (d) they are not the perfect square and their root results in decimal values. so we cannot tell them as an integer value.

Hence, the answer is either Option (a) or option(b) or both the options.

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what is the distance of (-23, -14 ) and ( -18,2)

Answers

From the given question,

There are given that two point, (-23, -14) and (-18, 2).

Now,

For finding the distance between two point,

Here use distance formula.

From the distance formula,

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

Where,

[tex]x_1=-23,y_1=-14,x_2=-18,y_2=2[/tex]

Put the all values into the above formula,

Then,

[tex]\begin{gathered} d=\sqrt[]{(x_2-x_1)^2+(y_2-y_1)^2} \\ d=\sqrt[]{(-18_{}-(-23_{})^2+(2_{}-(-14)_{})^2} \\ d=\sqrt[]{(-18_{}+23_{})^2+(2_{}+14_{})^2} \end{gathered}[/tex]

Then,

[tex]\begin{gathered} d=\sqrt[]{(-18_{}+23_{})^2+(2_{}+14_{})^2} \\ d=\sqrt[]{(5_{})^2+(16_{})^2} \\ d=\sqrt[]{25+256} \\ d=\sqrt[]{281} \end{gathered}[/tex]

Hence, the distance of given

Find the range PLEASE HELP!!! EXTRA POINTS

Answers

A is the answer because the graphing and if you put that into graph and measure points and look at function

the domain is the interval or set of all valid values for x (the input variable).

the range is the interval or set of all valid values for y or f(x) (the function result variable).

the functional result values for the first piece :

x - 4 for 0 <= x < 2

for x = 0 we get y = -4

for x = 2 we get y = -2

the range for this piece is [‐4, -2).

we use the round bracket to indicate -2 itself is not included, as we have x < 2 (and not x <= 2).

the functional result values for the second piece :

x² - 3x + 4 for 2 <= x < 4

for x = 2 we get 4-6+4 = 2

for x = 4 we get 16-12+4 = 8

the range for this piece is [2, 8)

again, because of x < 4 we use the ")" for 8 (not included).

the functional result values for the third piece :

5 for 4 <= x < 7

the range is simply [5) = [5] because the set contains only one element.

and 5 is already contained in the range of the second piece.

so, the range is just the combination of the ranges of the first 2 pieces :

[-4, -2) U [2, 8)

The state transportation commission counted cars traveling east and west across a toll bridge. 75% of the 588 cars counted were traveling east. How many eastbound cars did the commission count?

Answers

Answer: the answer is 441

Step-by-step explanation: 75% of 588 is 441

49. Calculate the limit. Some of these limits are made easier by considering the logarithm of the limit first, and some are not.

lim x^lnx
x→0+

Answers

The limit of xlnx when x is tending towards zero is zero.

What is limit in mathematics?

In mathematics, a limit is the value that a function (or sequence) approaches as the input (or index) approaches a particular value. Without limits, it is impossible to perform calculus or mathematical analysis; limits are also necessary to compute continuity, derivatives, and integrals.

Given limit is:

[tex]\lim_{x \to 0} x lnX[/tex]

Considering f = x, and g = ln x

The limit of f and g are both zero or both ±∞, and the limit f′/g′ exists, then the limit f/g equals it.

The wrong in the expression x lnx is we are individually defining f and g doesn't meet the hypothesis. so, we write it as

[tex]\frac{lnx}{1/x}[/tex]

We now use L' Hospital rule with f(x) = lnx, g(x) = 1/x as

The limits

[tex]\lim_{x \to 0^+} lnx= - \infty[/tex], and

[tex]\lim_{x \to 0^+} \frac{1}{x}[/tex]

The limits  [tex]\lim_{x \to 0^+} \frac{f'(x)}{g'(x)}[/tex] exists as:

[tex]\lim_{x \to 0^+} \frac{1/x}{-1/x^2} = \lim_{x \to 0^+} -x = 0[/tex]

Hence the answer is 0.

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The slope of like A is m=9 & the slope of line B is m-9. What is their relation?
O Parallel
O Perpendicular
O Neither

Answers

the relationship is parallel

HELP ME WITH IS PROBLEM THANK YOU

Answers

The solution to the given expression is 10√5 - 4√10 which is the correct answer would be an option (C)

What are Arithmetic operations?

Arithmetic operations can also be specified by subtracting, dividing, and multiplying built-in functions. The operator that performs the arithmetic operation is called the arithmetic operator.

The given expression as:

⇒ √5(10 - 4√2)

Open the parentheses and apply the distributive property of multiplication to get,

⇒ 10√5 - 4√5√2

⇒ 10√5 - 4√(5 × 2)

⇒ 10√5 - 4√10

Therefore, the solution to the given expression is 10√5 - 4√10.

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Find the percentage decrease and round to the nearest tenth

Answers

Answer:

16.6%

Step-by-step explanation:

First, find the difference between the prices:

$3.95 - $3.45 = $0.50

Then, divide the difference by yesterday's price.

$0.50 ÷ $3.95

≈ 0.166

≈ 16.6%

Answer:

12.7%

Step-by-step explanation:

$3.95 - $3.45 = $.50

$.50 / $3.95 = .127 = 12.7%

The half life of iron-59 is 44.5 days. How much of
a 50g sample would remain after 178 days?

Answers

Answer:

If the half-life of a nuclide is 44.5 days, then 178 days is four half-lives.

explanation:

After four half-lives, 0.0625 (0.54) of the original nuclides remains. If 50g is the original mass, then the mass after 4 half-lives is 3.125g.

AT = A0 2(-T/H)

A178 = (50) 2(-44.5/178)

A178 = 3.125

can you give me some examples of how to simplify

Answers

Let's check out the expression

[tex]2x+4+6y+7+2+3x[/tex]

To simplify, you have to add up similar terms. That is, add up everything that has an x, add up everything that has a y, and add up every independent term (no variable), as following:

[tex]\begin{gathered} 2x+4+6y+7+2+3x\rightarrow2x+3x+6y+4+7+2 \\ \rightarrow5x+6y+13 \end{gathered}[/tex]

And there we have the simplified expression.

what is the shape of a cross section that is perpendicular to the basis

Answers

If we get the cross section perpendicular to the base of this image, we would get the same shape as the image.

Through the diagram, we can see that if we cut the image to get the cross section perpendicular to its base, we would get the same shape as the image, which is a pentagon.

Solve and check the equation X-23=16

Answers

Answer:x=39

Step-by-step explanation:

x-23=16

x=16+23

x=39

Use the law of cosines to solve the following problem.The robot arm shown in the figure places packages on a conveyer belt. What is the distance x?

Answers

SOLUTION

Using cosine rule it follows:

[tex]x^2=3.00^2+2.25^2-3(2.25)\cos110[/tex]

Simplify the equation for x

[tex]x=\sqrt{3.00^2+2.25^2-3(2.25)\cos110}[/tex]

Therefore the required answer is

[tex]x=\sqrt{3.00^2+2.25^2-3(2.25)\cos(110)}[/tex]

Given the graph above, what is the slope of this line?

Question 2 options:

1.m = -2


2. m = 3


3. m = 0


4. m = -3/2

Answers

Answer:

my answer would be m=-3/2

Step-by-step explanation:

given the coordinates

(0,0) - this is the origin and the first coordinate it will be treated as x1=0,y1=0

(-2,3)- this is the second given coordinate and will be treated as x2=-2,y2=3

To find the slope(m) we use the formula

m=y2-y1/x2-x1

m=3-0/-2-0

m=-(3/2)

m=-3/2

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Question 2-20
Mrs. Kimsey purchased a bushel of large apples that weighs about 48 pounds. The bushel contains 96 apples. What is the approximate
weight, in ounces, of one apple?
02
O 16
32

Answers

Weight of one apple is 8 ounces.

We have to calculate the weight of one apple. For that firstly, we have to calculate the weight of one apple in pounds because we have been given the weight of 96 apples in pounds. After that, we will convert it into ounces and we know that one pound is equal to 16 ounces.

A bushel has 96 apples.

We have been given weight of 1 bushel which is 48 pounds.

Weight of 96 apples = 48 pounds

We have to calculate weight of one apple.

Weight of one apple = 48/96 = 1/2 pound

1 pound = 16 ounces.

Now, we have to convert pounds into ounces

Weight of one apple = 1/2 * 16 ounces

= 8 ounces

Hence, the answer is 8 ounces.

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I NEED HELP ASAP, I DONT KNOW HOW TO DO THIS.

Answers

Answer:

slope = 5/2

Step-by-step explanation:

Locations of points: (-4 , -4) and (-2 , 1)

slope = rise / run

between two plotted points this means that:

slope = change in y / change in x

slope = (1 - (-4)) / (-2 - (-4))

slope = 5/2

Maria expandió el siguiente cuadrado (x+3)^2=x^2 Está correcta la forma que usò?

Answers

No,  the form that Maria expanded is not correct.

What does it mean to "extend and simplify"?

We must multiply out the brackets in order to expand and simplify an expression, and we must then collect like words in order to simplify the resulting expression. We take out brackets by expanding them, often known as multiplying out.

Given:

(x+3)²

= x² + 2 . 3 . x + 3²

= x² + 6x + 9

Therefore the correct expansion is x² + 6x + 9.

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Question:

Maria expanded the following square (x+3)^2=x^2 Is the form she used correct?

Perform the following division and write the quotient in trigonometric form. Write the magnitude in exact form. Write the around it to two decimal places if necessary.8i4 + 5i

Answers

SOLUTION

The given complex expression is:

[tex]\frac{-8i}{4+5i}[/tex]

Rationalize the denominator

This gives

[tex]\begin{gathered} \frac{-8i}{4+5i}\times\frac{4-5i}{4-5i} \\ =\frac{-32i-40}{16+25} \\ =-\frac{40}{41}-\frac{32i}{41} \end{gathered}[/tex]

Translate Pre image coordinates right 14 units and up 13 units.

Answers

We will have the following:

We translate the points:

A(-12, 3)

B(-6, -3)

C(-12, -9)

The transformation rule is (x, y) -> (x + 14, y + 13); so:

A'(2, 16)

B'(8, 10)

C'(2, 4)

just 34 unless you want to help me with more?

Answers

M is the midpoint of the line segment FG.

Being the midpoint means that M divides the line in two equal halves so you know that the distance between F and M is equal to the distance between M and G, symbolically:

FM=MG

And of you add them you'll be able to calculate the length of the whole line FG

34.

Given the expressions

FM= 5y+13

MG=5-3y

We know that FM=MG, so the first step is to replace this equivalency with the given expressions. This way you'll determine an equation with one unknown y.

Once you have the equation you can clear the value of y:

[tex]\begin{gathered} FM=MG \\ 5y+13=5-3y \end{gathered}[/tex]

Pass all terms with the unknown to one side of the equation and all others to the other side:

[tex]\begin{gathered} 5y+3y=5-13 \\ 8y=-8 \\ y=-1 \end{gathered}[/tex]

y=-1

Now that you know the value of y, you can replace it in the given expressions to calculate the length of FG

[tex]\begin{gathered} FG=FM+MG \\ FG=(5y+13)+(5-3y) \\ FG=5y+13+5-3y \\ FG=2y+18 \\ \text{Replace with y=-1} \\ FG=2(-1)+18 \\ FG=16 \end{gathered}[/tex]

The length of the line segment FG is 16 units.

I really need help with this question!! How do you solve it?In 1985, they discovered a new sea creature. It was found to have an initial population of 832. Assuming the population was growing at a rate of 2.3% each year, when will the population exceed 1500?

Answers

Solution:

The growth rate is given below as

[tex]r=2.3\%[/tex]

The initial population is

[tex]P_0=832[/tex]

The exponential growth formula is given below as

[tex]\begin{gathered} P=P_0(1+r)^t \\ 832(1+\frac{2.3}{100})^t=1500 \\ 832(1.023)^t=1500 \\ (1.023)^t=\frac{1500}{832} \\ (1.023)^t=1.803 \\ take\text{ ln of both sides} \\ ln(1.023)^t=ln(1.803) \\ tln(1.023)=ln(1.803) \\ t=\frac{ln(1.803)}{ln(1.023)} \\ t=25.9years \\ \end{gathered}[/tex]

Hence,

The final answer is

The population will exceed 1500 in approximately 26 years' time

a. If Ax = b has a solution and Aᵀy = 0, then y is perpendicular to ___.
b. If Aᵀy = c has a solution and Ax = 0, then x is perpendicular to ___.

Answers

The answer to question (a) that is if Ax = b has a solution and [tex]A^{T}[/tex] y = 0 then y is perpendicular to b

Answer to question (b) that is if [tex]A^{T}[/tex] y = c has a solution and Ax = 0 then x is perpendicular to c.

a) As Ax = b has a solution for x this means b lies in the column space of A. We also know that [tex]A^{T}[/tex] y = 0. This means y lies in the orthogonal complement of the column space of A or in the left null space of A. Therefore y is perpendicular to b

b) We see [tex]A^{T}[/tex] y = c has a solution. This tells us that c lies in the row space of A and also from the given Ax = 0 we can deduce that x lies in the null space of A or the orthogonal complement of row space of A. Therefore evidently  x will be perpendicular to c

Determine whether AT has a row space same as column space of A

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twice the difference of a number 4 is 5.

Answers

Answer:25

Step-by-step explanation:

The mass of an atom or molecule is measured in atomic mass units. Which is greater, a carat or a milligram?

Answers

Notice that:

[tex]\begin{gathered} -23<-21, \\ 8.3<10. \end{gathered}[/tex]

Therefore:

[tex]8.3\times10^{-24}<10\times10^{-24}=10^{-23}<10^{-21}<1.66\times10^{-21}\text{.}[/tex]

Then a carat is greater.

Now, since:

[tex]1atomic\text{ mass unit=8.3}\times10^{-24}carat.[/tex]

Then:

[tex]\frac{1}{8.3}\times10^{24}\text{atomic mass unit=1carat.}[/tex]

Simplifying the above result we get:

[tex]1\text{carat}=1.20\times10^{23}\text{atomic mass units.}[/tex]

Also, since:

[tex]1\text{atomic mass unit=1.66}\times10^{-21}milligram[/tex]

then:

[tex]\frac{1}{1.66}\times10^{21}\text{atomic mass unit=1 milligram.}[/tex]

Simplifying the above result we get:

[tex]1\text{ milligram=6.02}\times10^{20}atomic\text{ mass units.}[/tex]

Answer:

A carat is greater.

[tex]1\text{carat}=1.20\times10^{23}\text{atomic mass units.}[/tex]

and

[tex]1\text{ milligram=6.02}\times10^{20}atomic\text{ mass units.}[/tex]

and

From 1982 to 2004, the number
B
of federally insured banks could be approximated by
B
(
t
)
=

326.6
t
+
13783
where t is the year and t=0 corresponds to 1982.

How many federally insured banks were there in 1987?


Find the slope of the graph of B.

Answers

There were 120150 federally insured bank in the year 1987. The slope of the graph of B is -326.6.

The provided function B(x) states the number of federally insured banks from 1982-2004.

The function B(x) is,

B(x) = -326.6t + 13783

Here t is representing the year,

This function is a linear function corresponding to an equation of line,

If according to the situation,

t = 0, signifies the year 1982,

Then the year 1983 should be represented by t = 1.

On continuing the pattern the year 1987 should be represented by t = 5.

So, the number of federally insured banks in year 1987 can be found by putting t = 5 in B(x),

B(5) = -326.6(5) + 13783

B(5) = 12150.

The number of banks federally insured in year 1987 is 12150.

The function is B(x)= -326.6t + 1783,

This is representing the point-slope form of the line,

y = mx + c,

On comparing the provided function with the standard equation we can see,

Slope m = -326.6

So the slope of the function is -326.6.

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Hello I need help please.The choices for f(-6): A. f(-6) ; B. The answer is not a real number

Answers

Given the function:

[tex]f\mleft(x\mright)=\sqrt{x-1}[/tex]

First part:

You need to substitute the following value of "x" into the function:

[tex]x=1[/tex]

In order to find:

[tex]f(1)[/tex]

Then, substituting and evaluating, you get:

[tex]\begin{gathered} f(1)=\sqrt[]{1-1} \\ f(1)=\sqrt[]{0} \\ f(1)=0 \end{gathered}[/tex]

Second part:

Substitute this value of "x" into the function:

[tex]x=-6[/tex]

And then evaluate, in order to find:

[tex]f(-6)[/tex]

You get:

[tex]\begin{gathered} f(-6)=\sqrt[]{-6-1} \\ f(-6)=\sqrt[]{-7} \end{gathered}[/tex]

Since the Radicand is negative, it is not a Real Number.

Therefore, the answers are:

First part:

A.

[tex]f(1)=0[/tex]

Second part:

B. The answer is not a real number.

Help please and thank you

Answers

On the x intercept of the graph, the y value is always 0. We can substitute y with 0. Therefore 4x-2(0)=-8. 4x=-8. x=-8/4= -2
Hence coordinates of x interfept = (-2,0)
On the y intercept, the x coordinate is 0. Hence 4(0) -2y = -8
-2y= -8
y=-8/-2 = 4
Y intercept coordinate is (0.4)

I need help on this question?

Answers

By definition, [tex](f \circ g)(x)=\boxed{f(g(x))}[/tex]. So, if [tex]g(2)=6[/tex] and [tex]f(6)=17[/tex], then [tex](f \circ g)(2)=f(g(2))=f(6)=\boxed{17}[/tex].

LetW = the set of whole numbersF = the set of (non-negative) fractionsI = the set of integersN = the set of negative integersQ = the set of rational numbersSelect each set that is closed under addition.

Answers

Verify each set

W ---------> are closed under addition

F ------> are closed under addition

I ------> are closed under addition

N ----> are closed under addition

Q ----> are closed under addition

Juan rented a truck for one day. There was a base fee of $9.00, and there was an additional charge of 7 cents for each mile driven. The total cost, C (in dollars), for driving x miles is given by the following function.
C (x) = 9.00 + 0.07x
What is the total rental cost if Juan drove 30 miles?

Answers

Answer:

$11.10

Step-by-step explanation:

Ez

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You and a friend are riding your bikes to a restaurant that you think is east and that your friend thinks is north. You both leave from the same starting point, with you riding 16 miles per hour east and your friend riding 12 miles per hour north. After you travel 3 miles, at what rate is the distance between you changing? i will give brainliest five stars and thnx plus an additional 100 points pls help FASTIn 35 complete sentences, thoroughly explain what effect the order of ideas in paragraphs 9 and 10 have on the meaning of the text. Why does Dr. King make his points in this order? What is the effect? Provide at least two specific examples from the text to support your answer. Mai drove 754 miles in 13 hours.At the same rate, how many miles would she drive in 11 hours? Interpret MapsDescribe how color is used in the map. What does green indicate? What do orange, red, and dark red indicate? A smart phone costs $149.99 before tax. The tax on the smart phone is 7%.What is the total cost of the smart phone?Round your answer to the nearest centplease help Imagine that you are walking down the street and suddenly see a person who looks extremely familiar, even though youre reasonably certain youve never seen her/him/them before. Could this experience, similar to the somewhat mysterious experience of dj vu, be a case of implicit memory? And if yes how? Explain. What mass of titanium displaces 125.0 cm3, if the density of titanium is 4.51 g/cm3? Which of the following describes a nonspontaneous reaction? An Earth satellite moves in circular orbit 602 km above the earths surface with a period of 96.53 min. What are the speed and the magnitude of the centripetal acceleration of the satellite. Migration is the customs, traditions, and lifestyle of a group of people.True or False what is a best thing to do with a blister? 2 The half-life of a substance is defined as the period of time it takes for the amount of thesubstance to decay by half. The sequence shows the amount of a substance that will remainafter a certain number of half-lives have elapsed.1, 1/2, 1/4, 1/8Describe this sequence. David, Eva and Farooq share a sum of money.David gets 1/6 of the money and Eva gets 1/4 of the money. David gets 2.50Farooq gets the rest of the money.Work out how much money Farooq gets According to the map, tobacco was a major crop grown in Virginia, North Carolina, and South Carolina. Why wasn't tobacco grown in the New England colonies? a police car is located 40 feet to the side of a straight road. a red car is driving along the road in the direction of the police car and is 200 feet up the road from the location of the police car. the police radar reads that the distance between the police car and the red car is decreasing at a rate of 80 feet per second. how fast is the red car actually traveling along the road? the actual speed (along the road) of the red car is feet per second Question 22 of 29 Which of the following reactions is an acid-base reaction? A) AgNO3(aq) + KF(aq) AgF(s) + KNO3(aq) B) NH3(aq) + HF(aq) NH4*(aq) + F(aq) C) NO (aq) + Al(s) NH3(g) + AIO (aq) D) CH4(g) + 2O(g) 2HO(g) + CO(g) dry cleaners has determined the following about its costs: total variable expenses are , total fixed expenses are and the sales revenue needed to break even is . determine the company's current 1) sales revenue and 2) operating income. (hint: first, find the contribution margin ratio; then prepare the contribution margin income statement.) Represent each expression as a power of a (a does not equal 0) when the zantays eat dinner, the family dog begs for food. sometimes, but not often, the children give in to the dog's begging and pass their pet a tasty morsel. you would be most justified in predicting that WILL GIVE BRAINLIESTFind the value of each variableThe slope of the line through (x, 4) and (20, -2) is -1/4PLS HELP!!!!!!