The diagram shows a sector of a circle radius 10 cm.
Find the area of the sector, giving your answer correct to 1 decimal place.

Answer:

12.40mph

Step-by-step explanation:

The original price is $720.33 .

What is original price ?

Convert the percent discount to a decimal by dividing by 100% . Step 2: Set up the equation P=(1−d)x P = ( 1 − d ) x to find the original price of the item where P is the sale price, d is the discount as a decimal, and x is the original price of the item.You need to be aware of the selling price as well as the discount % in order to determine the item's original cost. The calculations contain a straightforward method that divides the sale price by the percentage-based result of 1 minus the discount. To determine an item's original or list price, use this formula.

SInce $194.49, is what is owed after the discount you will want to subtract 73 from 100 to get the percent of what is owed. Then you will set it up like a percent equation. 27/100 = 194.49/X where X = the original price. You will then multiply 194.49 by 100 and divide that answer by 1.9449. This equals $720.33 as the original price.

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The values of the angles for the given figure are m  ∠M=76°,

m ∠N=76°.

An angle is a figure in Euclidean geometry made up of two rays that share a terminal and are referred to as the angle's sides and vertices, respectively. Angles created by two rays are located in the plane where the rays are located. The meeting of two planes can also create an angle. These are referred to as dihedral angles. The angle formed by the rays lying perpendicular to the two intersecting curves at their point of intersection can likewise be used to establish an angle between two intersecting curves.

Given,

In ΔLMN,

m ∠L=28°

As we know that,

Angle sum in a triangle=180°

m ∠L+ m ∠M+ m ∠N=180°

From the figure,

m ∠M= m ∠N

So, m ∠L+ m ∠M+ m  ∠M=180°

28°+ 2 m  ∠M=180°

2 m  ∠M=180°-28°

2 m  ∠M=152°

m  ∠M=76°

So, m  ∠N=76°

Therefore, the values of the angles for the given figure are m  ∠M=76°,

m  ∠N=76°.

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20% is the percent decrease in the number of people who went to the pool over these four​ weeks

percentage, a relative value indicating hundredth parts of any quantity.

Given,

In the first week of​ July, a record 1,020 people went to the local swimming pool.

In the second​ week,100 fewer people went to the pool than in the first week

1020-100=920

In the third​ week,130 more people went to the pool than in the second week.

920+130=1050

In the fourth​ week, 234 fewer people went to the pool than in the third week.

1050-234=816

Now we need to find the percent decrease in the number of people who went to the pool over these four​ weeks

1020-816=204

204/1020=0.2×100=20

Hence, 20% is the percent decrease in the number of people who went to the pool over these four​ weeks

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From the given statements about the linear graph, the correct ones are statements 1, 2 and 3 while the incorrect one is statement 4

The slope of a linear graph is simply the change in the y-values divided change in the corresponding x-values.

Now, from the graph, if we take two coordinates, we can easily say that;

Slope = (18 - 16)/(0 - 100)

Slope = -2/10 = -1/5

Statement 1; From the graph, the y-intercept is $18. This means that this is the cost of the book as that is where the cost starts decreasing for each weed she pulls. Thus, it is true.

Statement 2; The slope as we saw earlier was -1/5. Thus, it means that her grandma pays $1 for every 5 weed she pulls.

Statement 3; The x-intercept is 90 and it means after 90 weeds pulled, she no longer has to use her own money at all for the book. This is correct.

Statement 4; This is wrong because she needs to pull at least 90 weeds for her not to use her money.

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Since the rectangle's shorter side is half as long as its longer side, its top left vertex is (0,a).

A pair of numbers that use the horizontal and vertical separations from the two reference axes to define a point's location on a coordinate plane. typically expressed by the x-value and y-value pair (x,y). You do the reverse to determine a point's coordinates in a coordinate system. Start at the point, then move up or down a vertical line until you reach the x-axis. Your x-coordinate is shown there. To find the y-coordinate, repeat the previous step while adhering to a horizontal line.

Here,

Let x be the length and y be the width,

y=x/2

x=2a

y=a

The top left vertex=(0,a)

The top left vertex is (0,a) as shorter side of the rectangle is half the length of the longer side.

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Answer: [tex]g(x)=(x+3)^2[/tex]

Step-by-step explanation:

When shifting a function left [tex]3[/tex] units, [tex]f(x) \to f(x+3)[/tex].

Therefore, [tex]g(x)=(x+3)^2[/tex].

Given recursion function in options we have calculated values of f(1),f(2),f(3),f(4),f(5).

Find f(1), f(2), f(3), f(4), f(5) if f(0) = 3.

First recursive Function is given as

a) f(n+1) = -2*f(n)

f(1) = -2*f(0) = -2*3 = -6

f(2) = -2*f(1) = -2*(-6) =  12

f(3) = -2*f(2) = -2*12 = -24

f(4) = -2*f(1) = -2*(-24) = 48

f(5) = -2*f(4) = -2*(48) = -96

Second recursive Function is given as

b) f(n+1) = 3*f(n)+7

f(1) =  3*f(0)+7 = 3*3+7 = 16

f(2) = 3*f(1)+7 = 3*16+7=  55

f(3) = 3*f(2)+7 = 3*55+7 = 172

f(4) = 3*f(3)+7 = 3*172+7 = 523

f(5) = 3*f(4)+7 = 3*523+7 = 1576

Third recursive Function is given as

c) f(n+1) = [tex]f(n)^2-2*f(n)-2[/tex]

f(1) = f(0)*f(0)-2*f(0)-2 =3*3 - 2*3 - 2 = 1

f(2) = f(1)*f(1) - 2*f(1) - 2 = 1*1 - 2*1 - 2 =  -3

f(3) = f(2)*f(2) -2*f(2)- 2 =-3*(-3) - 2*(-3) - 2 = 13

f(4) = f(3)*f(3) -2*f(3)- 2 = 13*13 - 2*13 - 2 = 141

f(5) = f(4)*f(4) -2*f(4)-2 = 141*141 - 2*141 - 2 = 19597

Fourth recursive Function is given as

d) f(n+1) =  [tex]3^(f(n)/3)[/tex]

f(1) = 3^((f(0)/3) = 3^1 = 3

f(2) = 3^((f(1)/3) = 3^1 =  3

f(3) = 3^((f(2)/3) = 3^1 = 3

f(4) = 3^((f(3)/3) = 3^1 = 3

f(5) = 3^((f(4)/3) = 3^1 = 3  

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Answer: x < -3

Step-by-step explanation: even tho if we solve you will get a big number number then you reduce the number to a smaller number

Answer:

Sym

Step-by-step explanation:

The probability of getting a number larger than 3 is P = 0.7

The probability is equal to the quotient between the number of outcomes that meet the condition, and the total number of outcomes.

The 10-sided die has the outcomes {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} so 10 outcomes.

The outcomes that are greater than 3 are {4, 5, 6, 7, 8, 9, 10} so there are 7 outcomes, then the probability is:

P = 7/10 = 0.7

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The correct statement as regards the transformation involving translation is

Transformation is a term used in mathematics to refer to the movements made by objects.

Transformation is basically of two major divisions

Non rigid transformation are the transformation where the dimension or size of the object will be different from the image, example is dilation

In rigid transformation, the dimensions of the object is maintained through out the transformation examples of rigid transformation are

Since the transformation point A and point B made are all translation which is a type of rigid transformation, the dimension of the length will remain same

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27kg is the weight of Barrys dog now,

percentage, a relative value indicating hundredth parts of any quantity.

Given,

The weight of dog last time when Barry checked is 30kilograms.

Barry just measured his dog again and found out that it weighs 10% less now.

We need to find the weight of Barrys dog.

Convert 10% to decimal value

10/100=0.1

0.1×30=3

Now subtract 3 from 30

30-3

27

Hence, currently Barrys dog weight is 27kg.

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By algebra properties we find the following relationships between each pair of algebraic expressions:

In this we must determine the equivalent algebraic expression related to given expressions, this can be done by applying algebra properties on equations from the second column until equivalent expression is found. Now we proceed to find for each case:

First equation

(7 - 2 · x) + (3 · x - 11)

(7 - 11) + (- 2 · x + 3 · x)

- 4 + (- 2 + 3) · x

- 4 + (1) · x

- 4 + (5 - 4) · x

- 4 - 4 · x + 5 · x

- 4 · (x + 1) + 5 · x → Case 4

Second equation

- 7 + 6 · x - 4 · x + 3

(6 · x - 4 · x) + (- 7 + 3)

(6 - 4) · x - 4

2 · x - 4

2 · (x - 2) → Case 1

Third equation

9 · x - 2 · (3 · x - 3)

9 · x - 6 · x + 6

3 · x + 6

(2 + 1) · x + (14 - 8)

[1 - (- 2)] · x + (14 - 8)

(x + 14) - (8 - 2 · x) → Case 2

Fourth equation

- 3 · x + 6 + 4 · x

x + 6

(5 - 4) · x + (7 - 1)

(7 + 5 · x) + (- 4 · x - 1) → Case 5

Fifth equation

- 2 · x + 9 + 5 · x  + 6

3 · x + 15

3 · (x + 5) → Case 3

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m = 5 and m = -9/5 are the roots of the equation.

Factoring  4m²-11m-45

The first term is,  4m²  its coefficient is  4 .

The middle term is,  -11m  its coefficient is  -11 .

The last term, "the constant", is  -45

Step-1 : Multiply the coefficient of the first term by the constant   4 • -45 = -180

Step-2 : Find two factors of  -180  whose sum equals the coefficient of the middle term, which is   -11 .

     -180    +    1    =    -179

     -90    +    2    =    -88

     -60    +    3    =    -57

     -45    +    4    =    -41

     -36    +    5    =    -31

     -30    +    6    =    -24

     -20    +    9    =    -11    That's it

Step-3 : Rewrite the polynomial splitting the middle term using the two factors found in step 2 above,  -20  and  9

                    4m² - 20m + 9m - 45

Step-4 : Add up the first 2 terms, pulling out like factors :

                   4m • (m-5)

             Add up the last 2 terms, pulling out common factors :

                   9 • (m-5)

Step-5 : Add up the four terms of step 4 :

                   (4m+9)  •  (m-5)

            Which is the desired factorization

Theory - Roots of a product

Now ,

1.   Solve  :    m-5 = 0

    Add  5  to both sides of the equation :

                     m = 5

2. Solve  :    4m+9 = 0

   Subtract  9  from both sides of the equation :

                     4m = -9

   Divide both sides of the equation by 4:

                   m = -9/4

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The solution to the problem expressed to the correct number of significant figures is, 2.13 + 1 = 3

Given that,

The solution to the problem expressed to the correct number of significant figures,

2.13 + 1 = ?

Unit is a quantity of constant magnitude which is used to measure the magnitudes of other quantities of the same manner.

Unit can be defined as the rightmost position in a number or the one's place. Here, 3 is the unit's number in the number 6713. A unit may also mean the standard units used for measurement.

You must round your answer to the same "place" when adding values as the measurement with the last significant figure that is farthest to the left.

= 2.13

= +1

= 3.13

The “1” has its last significant figure furthest to the left, so you round off the number to the “units" place. That's the last column that the measurements share.

3.13 → 3 (rounded to the "units" place)

Therefore,

The solution to the problem expressed to the correct number of significant figures is, 2.13 + 1 = 3

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The final cost is lie between the amount $46.00 and $92.00.

What is an equation?

When two expressions are connected with both the equals sign (=) in a mathematical formula, it expresses this same equality of the two expressions. The meanings of the word equation as well as its cognates in those other languages can vary slightly. For instance, an equation in French is defined as having one or maybe more variables, whereas in English, an equation is any properly formed formula that consists of two expressions linked by the equals sign.

The coupon is given = 15% off

New price = Cost of meal (1 - coupon)

Now Substitute the known values in the equation;

New price = between 55(1 - 15%) and 100.00 (1 - 15%)

Evaluate;

The final cost of the meal is between $40.00 and $80.00

Tip = 22%

Thus Final cost = New price (1 + tip)

Now Substitute the known values in the equation

Final cost = Between 40.00 (1 + 22%) and 80.00 (1 + 22%)

The Final cost is Between $46.00 and $92.00

Hence, the final cost is lie between the amount $46.00 and $92.00

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Each pass costs $17.77 and each student's lunch costs $8.81

The unitary technique involves first determining the value of a single unit, followed by the value of the necessary number of units.

For example, Let's say Ram spends 36 Rs. for a dozen (12) bananas.

12 bananas will set you back 36 Rs. 1 banana costs 36 x 12 = 3 Rupees.

As a result, one banana costs three rupees. Let's say we need to calculate the price of 15 bananas.

This may be done as follows: 15 bananas cost 3 rupees each; 15 units cost 45 rupees.

Given:

The school spends 746.34 dollars on passes for 40 students and 2 teachers.

So, Each pass costs = 746. 34/ 42 = $17.77

Now, The school also spends 352.40 dollars on lunch for just the students.

= 352.40/ 40

= $8.81

Hence, Each pass costs $17.77 and each student's lunch costs $8.81

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a sports team has 99 jerseys numbered 1, 2, 3, . . . , 99. show your work for each part, 49 pairs many ways are there to choose 2 different jerseys, without order, such that their numbers sum to 100, using the concept of combination formula.

The number of possible ways to choose items from a collection when the order of choice is irrelevant is determined using the combination formula. Combination, to put it simply, is the process of choosing items or things from a bigger group where order is irrelevant.

The formula becomes: [tex]^nC_r[/tex]

Where, n = total number of objects

r = number of choosing objects.

Sports team has 99 jerseys. So, 49 pairs will be possible to have their sum is 100.

Example - (1+99), (2+98),......,(49+51)

Thus, there are 49 ways to choose two different jerseys.

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By studying the graph of the function, it can be inferred that -

Domain = [-3, 3]

Range = ([tex]-\infty[/tex], 4]

Local maximum = 0, 4

Local minimum = -0.5

Increasing interval = [-3, -2) [tex]\cup[/tex] (-1, 2)

Decreasing interval = (-2, -1) [tex]\cup[/tex] (2, 3]

There is no constant interval.

What is graph of a function?

A function from A to B is a rule that assigns to each element of A a unique element of B. A is called the domain of the function and B is called the codomain of the function.

There are different operations on functions like addition, subtraction, multiplication, division and composition of functions.

Graph of a function f(x) is the collection of all points of the form (x, f(x)).

Suppose the size of each square of the graph is 1 unit

From the graph, it can be seen that the value on the horizontal axis ranges from -3 to 3

Domain = [-3, 3]

The value on the vertical axis ranges from [tex]-\infty[/tex] to 4

Range = ([tex]-\infty[/tex], 4]

The graph has a local maximum at (2, 4) and (-2, 0)

Local maximum = 0, 4

The graph has local minimum at (-1, -0.5)

Local minimum = -0.5

Increasing interval [-3, -2) [tex]\cup[/tex] (-1, 2)

Decreasing interval = (-2, -1) [tex]\cup[/tex] (2, 3]

There is no constant interval.

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The true mean of the data-set is given as follows:

46.35.

The mean of a data-set is calculated as the sum of all observations divided by the number of observations.

In this problem, the sum is given by the multiplication of the mid-values by the number of students with each value, as follows:

S = 37.5 x 30 + 42.5 x 20 + 47.5 x 15 + 52.5 x 13 + 57.5 x 22 = 4635.

The total number of students is given as follows:

30 + 20 + 15 + 13 + 22 = 100.

Hence the mean is calculated as follows:

Mean = 4635/100 = 46.35.

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The triangles are then congruent according to the SAS congruence criteria for triangles.

Congruent triangles are those with the same size and form. This signifies that the respective sides are equal, as are the corresponding angles. We can determine if two triangles are congruent without evaluating all of their sides and angles. The phrase "congruent" refers to having exactly the same form and dimension. Even if we flip, turn, or rotate the forms, the shape and size should remain the same. In terms of shape and size, the adjective "congruent" implies "absolutely equal." The forms remain equal even when we spin, flip, or rotate them. Draw two circles with the same radius, then cut them out and stack them on top of each other.

Here,

If I understood correctly, then first let's call the angle BAC = CAD = α. From the statement we have angle ABC = 90° (AB ⊥ BC) and also angle ADC = 90° (AD ⊥ DC).

Then we have: angle BCA = ACD = 90 - α

We the have that:

AC = AC (the triangles share this size)

angle BCA = ACD

angle BAC = CAD

Then the triangles are congruent due to SAS criterion of congruence for triangle.

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The number of miles that you ran on the treadmill on Monday will be 3 miles.

Speed is defined as the length traveled by a particle or entity in an hour. It is a scale parameter. It is the ratio of length to duration.

We know that the speed formula

Speed = Distance/Time

On Monday you run on the treadmill for thirty minutes at x mph and on Tuesday you walk a similar distance on the treadmill at 2 mph increasingly slow takes you three-fourths 60 minutes.

Then the distance is the same in both cases. Then we have

x × (1/2) = (x - 2) × (3/4)

Simplify the equation, then we have

x × (1/2) = (x - 2) × (3/4)

4x = 6(x - 2)

4x = 6x - 12

2x = 12

x = 6 miles per hour

The number of miles is given as,

D = 6 × 1/2

D = 3 miles

The number of miles that you ran on the treadmill on Monday will be 3 miles.

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Answer:

45°

Step-by-step explanation:

Answer: The value 550 represents the initial balance in the account, which means the account started with $550.

Step-by-step explanation:

The 550 represents the start balance that was put into the account. The (1+0.05t0 is the interest being added every t years/months.

Answer: Slope: 2, y-intercept: (0,-8)

Step-by-step explanation:

x | y
0  -8
1   -6

The series of transformations of  triangle ABC to triangle CEF is shown.

For the given transformations from triangle ABC to triangle CEF are-

Translation:

Rotation: There is no rotation taken place.

Reflection: There is no reflection of the given triangle ABC.

Dilation: The dilation of the 2 times the original coordinates is taken place.

Thus, the series of transformations of  triangle ABC to triangle CEF is shown.

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Bisector of the segment (3.5 , 5)

A line known as a bisector divides an angle or a line into two equally sized segments. A segment's midpoint is always contained in the segment's bisector.

A line segment's midpoint was crossed by the perpendicular bisector of the segment.

If C is the point on AB, through which its perpendicular bisector passes, then C = mid point of AB.

Mid x1 +x2/2 ,y1+y2/2

7+-2/2, 5+5/2

5/2,5

(3.5,5)

The angle bisector theorem states that PQ/PR = QS/RS or a/b = x/y. A line or ray that divides an angle in a triangle into two equal parts is known as an angle bisector.

Measuring the length of the line segment you need to bisect is an easy approach to discover a perpendicular bisector. Find the midpoint of the measured length by dividing it by two. From this midpoint, extend a line at a 90° angle.

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Answer:

D

Step-by-step explanation:

2 times 5x is 10x, and 2 x 1 is 2

Answer:

655

Step-by-step explanation: