Use the diagram below to classify ABCD. Select all that apply.

Answer please rn

The required equation is y = 1/3 x.

Given that the slope of the line is 1/3 and y - intercept is 0.

To find the equation of the line by using slope (m) and y-intercept (c) is given by

y = mx + c.

That implies, the equation of the line is y = 1/3x + 0= 1/3 x.

Therefore, the equation of line y = 1/3 x and graph is given below,

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Answer: The diameter is is 9, the circumference is 199 inches

Step-by-step explanation:

hope that helps! For the last one, substitute with the formula of a circle. It will make sense.

The given exponential function will grow with,

⇒ 7.1%

We have to given that;

The exponential function is,

⇒ y = 25 (1.071)ˣ

Since, We know that;

A relation in between a set of inputs having one output each is called a function. and an expression, rule, or law that defines a relationship between one variable (the independent variable) and another variable (the dependent variable).

Now, For identify the change represents growth or decay, and determine the percentage rate of increase or decrease as,

Since, We have,

⇒ y = 25 (1.071)ˣ

Clearly, The equation is shows exponential growth because the growth factor is 1.071 which is greater than 1.

And, The general form equation is:

y(x) = a(1 + r)ˣ

Where, r is the growth percent.

Hence,

⇒ 1 + r = 1.071

⇒ r = 0.071 = 7.1%

Therefore, We get;

Rate = 7.1%

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Answer:

1/3

Step-by-step explanation:

X is exactly halfway between 1/6 and 1/2, ie it is the average of those values.

average of 1/6 and 1/2 = (1/6 + 1/2) /2

= (1/6 + 3/6) /2

= (4/6) /2

= (2/3) /2

= 1/3

The area of a square is given by the formula A = s^2, where s is the length of a side of the square.

Here, the length of a side of the square is given as 25 32 by 24 m. This means that the side length is somewhere between 25 and 26 meters, since 32 by 24 is a fraction between 1 and 2.

To find the exact side length, we can convert the mixed number 25 32 by 24 to an improper fraction:

25 32 by 24 = (25 x 32 + 24) / 32 = 824 / 32

Simplifying this fraction by dividing both the numerator and denominator by 8 gives:

824 / 32 = 103 / 4

Therefore, the side length of the square is 103/4 meters.

Now we can find the area of the square:

A = (103/4)^2

 = 10609/16

 = 663.06 square meters (rounded to two decimal places)

Therefore, the area of the square is approximately 663.06 square meters.

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Answer:

x=4

Step-by-step explanation:

LM=JK

3x+1=13

3x=12

x=4

Answer:

10x - 8 = y

Step-by-step explanation:

This question was hard to read so i used the variables! I hope you do good! :)

The volume of the triangular prism is 18.9 yd³.

The volume of a triangular prism is given by the formula:

V = (1/2) x base x height x length

where base is the area of the triangular base, height is the height of the triangular base, and length is the height of the prism.

In this case, the base area is:

= (1/2) x 9yd x 2.1

= 9.45 yd²

So the volume of the prism is:

V = (1/2) x 9.45 x  4

= 18.9 yd³

Therefore, the volume of the triangular prism is 18.9 yd³.

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The total combat time in the game should be set as 60 minutes.

Let's denote the time spent on combatting as "c" (in minutes).

Based on the given information:

To find the total playtime, we add up all the components:

Total playtime = Combat time + Storytelling time + Exploring time + Puzzle-solving time + Hero creation time

or, Total playtime = c + 2c + 6c + c + 15

We know that the total playtime is 615 minutes, so we can set up the equation:

615 = 10c + 15

Simplifying the equation:

10c = 615 - 15

10c = 600

c = 60

Therefore, the total combat time in the game should be set as 60 minutes.

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The maximum vertical distance between the line y = 2x + 63 and the parabola y = x^2 for -7 ≤ x ≤ 7 is 32 units.

To find the maximum vertical distance between the line y = 2x + 63 and the parabola y = x^2 for -7 ≤ x ≤ 7, we need to determine the points on the parabola that have the maximum vertical distance from the line.

Let's start by finding the points of intersection between the line and the parabola. Setting the equations equal to each other, we have:

2x + 63 = x^2

Rearranging the equation, we get:

x^2 - 2x - 63 = 0

Solving this quadratic equation, we find that x = -7 and x = 9 are the x-coordinates of the points of intersection.

Now, let's calculate the corresponding y-values for these x-coordinates on the parabola:

For x = -7, y = (-7)^2 = 49

For x = 9, y = (9)^2 = 81

Next, we can calculate the y-values for the line at these x-coordinates:

For x = -7, y = 2(-7) + 63 = 49

For x = 9, y = 2(9) + 63 = 81

Since the y-values of the line and the parabola are the same at the points of intersection, the maximum vertical distance occurs at the point (-7, 49) and (9, 81).

The maximum vertical distance between the line and the parabola is the difference in y-coordinates at these points:

81 - 49 = 32

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Answer:

[tex]a_{n}[/tex] = 2n + 8

Step-by-step explanation:

the nth term of an arithmetic sequence is

[tex]a_{n}[/tex] = a₁ + d(n - 1)

where a₁ is the first term and d the common difference

here a₁ = 10 and d = a₂ - a₁ = 12 - 10 = 2 , then

[tex]a_{n}[/tex] = 10 + 2(n - 1) = 10 + 2n - 2 = 2n + 8

The measurement closest to the number of ounces of sodium nitrate the scientist used is 3.17 ounces.

We are given that the scientist used 90 grams of sodium nitrate. To convert this measurement to ounces, we can divide the grams by the conversion factor of 28.3 grams per ounce.

90 grams / 28.3 grams per ounce ≈ 3.17 ounces

Since 3.17 ounces is the result of the conversion, it is the measurement closest to the number of ounces of sodium nitrate the scientist used.

It's worth noting that the conversion factor given, 28.3 grams per ounce, is an approximation, and the actual value may vary slightly depending on the specific substance being measured. However, for the purpose of this calculation and using the given conversion factor, 3.17 ounces is the closest measurement to the grams provided.

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in a triangle, the sum of the angles is always 180 degrees. so, if we have one angle of 65 degrees and another angle of (10x + 3) degrees, the third angle must be:

180 - 65 - (10x + 3) = 112 - 10x

since the sum of the angles in a triangle is always 180 degrees, we can set up an equation:

65 + (10x + 3) + (112 - 10x) = 180

simplifying the equation:

180 - 3 = 65 + 112 - 10x + 10x

177 = 177

the equation is true for all values of x. this means that x could be any value and the triangle would still be valid.

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Answer:

If we are using the Triangle Inequality Theorem the answer would be:

Step-by-step explanation:

1: Yes

2: Yes

3: Yes

4: No

5: Yes

6: No

7: No

I hope this helps! :)

Step-by-step explanation:

Due to the triangle side length rule :

  any two sides summed must be greater than the remaining side

yes

yes

yes

no    3+4 is not greater than the remaining side 8

yes

no     8+3  not greater than 15

no    4 + 8 not greater than 15

a. The mean of the ages is 6.8 years.

b. Without doing any calculations, we know that the mean age after 10 years will be larger.

c. The mean after 10 years will be 16.8 years.

The mean of the 5 rivers is 2203 miles. Thus, the correct answer is option D. The mean length of the major rivers in North America is 2203 miles.

a. The mean of the ages is (2+7+8+10)/4

= 6.75 ~ 6.8 years.

b. Without doing any calculations, we know that the mean age after 10 years will be larger. This is beacuse each of the the ages will be greater by 10.

Thus, the correct answer is option a.

The mean after 10 years will be (12+17+18+20)/4

= 16.75 ~ 16.8 years.

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U.S. dollars can be purchased for one Canadian dollar is 0.63 U.S. dollar.

One U.S. dollar buys 1.59 Canadian dollar

1 U.S. dollar = 1.59 CAD dollar

By using the unitary method to calculating the value of 1 Canadian dollar.

The unitary method is a process by which we find the value of a single unit from the value of multiple units and the value of multiple units from the value of a single unit .

Value of one Canadian dollar

1/1.59 U.S. dollar = 1 CAD dollar

1 CAD dollar = 0.63 U.S. dollar

1 CAD dollar can buy 0.63 U.S. dollar.

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a. f(x) = 37(1.04)^x

i. The initial value (IV) is 37, which represents the starting point or value of the function when x=0.

ii. The percent increase or decrease can be found by comparing the function value at x=1 to the initial value.

When x=1, f(1) = 37(1.04)^1 = 38.48

The percent increase is [(38.48 - 37)/37] x 100% ≈ 4.05%

Therefore, the initial value is 37 and the percent increase is approximately 4.05%.

b. f(x) = (-0.7) (0.6)^x

i. The initial value (IV) is -0.7, which represents the starting point or value of the function when x=0.

ii. The percent increase or decrease can be found by comparing the function value at x=1 to the initial value.

When x=1, f(1) = (-0.7)(0.6)^1 = -0.42

The percent decrease is [(−0.42 - (−0.7))/−0.7] x 100% ≈ 40%

Therefore, the initial value is -0.7 and the percent decrease is approximately 40%.

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To be continuous at x=0, you need three things:

1. f(0) must be defined

2. limit as x –> 0 must exist

3. f(0) = limit as x –> 0

f(0) in this case is the following:

    [tex]f(0) = k + 2 \ln(0+e^{0+1}) = k + 2 \ln(e) = k + 2[/tex]

We have to pause on this, since this by itself cannot give us the value of k.

For the limit, you need to make sure the limit from the left matches the limit from the right.

    [tex]\lim\limits_{x\to 0^+} k+2\ln(x+e^{x+1}) = k+2[/tex]

    [tex]\lim\limits_{x\to 0^-} \frac{\sin(7x)}{2x} =\frac{7}{2}[/tex]

The only way this limit can exist is if [tex]k+2 = \dfrac{7}{2}[/tex], which means [tex]k = \dfrac{3}{2}[/tex].

Using that k-value also allows f(0) = 7/2, which makes your function continuous.  

If you need to know how to make that second limit work out to 7/2, there are two steps to take.  

The first is to bring the 1/2 out front, since it's a constant factor inside the limit.

    [tex]\lim\limits_{x\to 0^-} \frac{\sin(7x)}{2x} =\frac{1}{2}\cdot\lim\limits_{x\to 0^-} \frac{\sin(7x)}{x}[/tex]

The second is to manipulate the what you're taking the limit of to turn it into a "sin(u)/u" situation.  To do this, we'll multiply by 7/7 inside the limit:

    [tex]\frac{1}{2}\cdot\lim\limits_{x\to 0^-} \frac{\sin(7x)}{x}=\frac{1}{2}\cdot\lim\limits_{x\to 0^-} \frac{{\boldsymbol7\cdot{}}\sin(7x)}{{\boldsymbol7\cdot{}}x}[/tex]

We'll then factor out the 7 in the numerator like we did with the 1/2:

    [tex]=\frac{7}{2}\cdot\lim\limits_{x\to 0^-} \frac{\sin(7x)}{7x}[/tex]

And now with a quick u-substitution, we'll let u = 7x and x->0 is the same as u->0, we have

    [tex]=\frac{7}{2}\cdot\lim\limits_{u\to 0^-} \frac{\sin(u)}{u}[/tex]

This is useful because a good limit to know in calculus is that [tex]\lim\limits_{u\to 0} \frac{\sin(u)}{u}=1[/tex].

The total population of ducks is 960.

To estimate the total population of ducks, we can set up a proportion using the marked ducks as a sample.

Let's use the following proportion:

Total Ducks / Marked Ducks = Total Marked Ducks / Marked Ducks Counted

Total Ducks / 257 = 960 / 257

Total Ducks x 257 = 960 x 257

Divide both sides by 257 to solve for Total Ducks:

Total Ducks = (960 x 257) / 257

Total Ducks = 960

Based on the proportion, we estimate that the total population of ducks is 960.

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After 30 minutes, there will be 100 pounds of salt in the tank.

Initially, the tank contains 40 pounds of salt.

For every minute, the amount of salt being added is 2 pounds/gallon * 3 gallons/minute = 6 pounds/minute.

The amount of salt being drained off is 2 pounds/gallon * 2 gallons/minute = 4 pounds/minute.

After 30 minutes, the total amount of salt added is 6 pounds/minute * 30 minutes = 180 pounds.

The total amount of salt drained off is 4 pounds/minute * 30 minutes = 120 pounds.

Therefore, the net increase in the amount of salt in the tank is 180 pounds - 120 pounds = 60 pounds.

The final amount of salt in the tank after 30 minutes is 40 pounds (initial amount) + 60 pounds (net increase) = 100 pounds.

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Answer:

To find the perimeter (or arc length) of an ellipse, you'll need to use an elliptic integral

The perimeter is a distance around the outlines or edge of any shape. A practical example of measuring the perimeter of an ellipse would be the distance you cover when you walk along the edges of an elliptical-shaped field. Or the length of fence you need to surround it

One change that can be made to one value in Dylan's plan to ensure the assignment is completed is to change hours worked to 4. 20 hours a day.

The current number of paper flowers that the team can make is:

= 4 x 3 hours a day x 12 people x 5 days per week x 2 weeks

= 1, 440 flowers

One change that can be made would be to increase the number of hours worked to 4. 20 hours.

This would give a total number of flowers of :

= 4 x 4. 20 hours a day x 12 people x 5 days per week x 2 weeks

= 2, 016 flowers

They would then meet the target.

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Akbar paid Rs 864.50 for the watch after applying the 5% discount.

Akbar bought a watch that was originally priced at Rs 910, but he was able to purchase it at a 5% discount. To calculate how much he paid for the watch, we need to first find out how much the discount was.

To do this, we can use the formula:
Discount = Original price x Discount rate

In this case, the original price of the watch is Rs 910 and the discount rate is 5%, which we can express as a decimal by dividing by 100:

Discount = Rs 910 x 0.05
Discount = Rs 45.50

So the discount Akbar received on the watch was Rs 45.50.

To find out how much he actually paid for the watch, we can subtract the discount from the original price:

Price paid = Original price - Discount
Price paid = Rs 910 - Rs 45.50
Price paid = Rs 864.50

Therefore, Akbar paid Rs 864.50 for the watch after applying the 5% discount.

In summary, Akbar bought a watch at a 5% discount, which amounted to Rs 45.50. He paid Rs 864.50 for the watch after the discount was applied, even though the original price of the watch was Rs 910.

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Answer:

Long solution

Step-by-step explanation:

(a) Let the height of the cone be h cm. The volume of the hemisphere is given by (1/2)(4/3)πr³ = (2/3)πr³. The volume of the solid is the sum of the volumes of the hemisphere and the cone, which is (2/3)πr³ + (1/3)πr²h. Since the volume of the hemisphere is one third of the volume of the solid, we have:

(2/3)πr³ = (1/3)πr²h

Simplifying, we get:

2r = h

Therefore, h is expressed in terms of r as h = 2r.

(b) The slant height of the cone can be found using the Pythagorean theorem. Let l be the slant height, then we have:

l² = r² + h²

Substituting h = 2r, we get:

l² = r² + (2r)² = 5r²

Taking the square root of both sides, we get:

l = r√5

Since k is an integer, we can write:

l = Vk cm, where k is an integer

Comparing the two expressions, we get:

Vk = r√5

Therefore, the value of k is k = ⌊r√5⌋, where ⌊x⌋ denotes the largest integer less than or equal to x.

(c) The total surface area of the solid is the sum of the curved surface area of the cone, the curved surface area of the hemisphere, and the area of the circular base of the cone. We have:

Curved surface area of the cone = πr l = πr(r√5) = πr²√5

Curved surface area of the hemisphere = 2πr²

Area of the circular base of the cone = πr²

Therefore, the total surface area of the solid, in cm², is given by:

πr²√5 + 2πr² + πr² = (πr²)(√5 + 3)

Answer:

$ 14.50

Step-by-step explanation:

So 2/3 is $7, right?

If we multiply to find how much it would be to get to one pound, you would find that 1.5 would get you to that number.

So, that means two 2/3, and a half, meaning:

7+7+0.5=14.5

Leading to your answer: $ 14.50

Hope this helps :)

From the power rules, it is possible to prove that [tex](\frac{1}{4})^{-4 }[/tex]=256.

The main power rules are presented below.

For proving the exercise, you should follow the steps below.

For this, you should write the reciprocal number with the exponent positive. Thus,[tex](\frac{1}{4})^{-4 }= 4^{4 }[/tex]

In the previous step, you found [tex]4^{4 }[/tex]. This represents that 4 x 4 x 4 x 4= 16 x 16=256.

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Step-by-step explanation:

Let x be the number of days the skier goes to the mountain.

The total cost for using a season pass is:

Cost_season_pass = 450 (initial cost) + 10x (daily fee)

The total cost for using one day tickets is:

Cost_one_day_tickets = 100x (daily cost)

In order to justify buying a season pass, the total cost of the season pass must be less than the total cost of using one day tickets:

450 + 10x < 100x

Subtract 10x from both sides:

450 < 90x

Now, divide both sides by 90:

x > 5

So the skier must go to the mountain for more than 5 days to justify buying a season pass. The minimum number of days to justify the pass would be 6 days.

The y-value of the y-intercept of the line is approximately 5.819. The correct answer is (D).

The equation of a regression line is y = mx + b, where m is the slope and b is the y-intercept. We are given that the slope is 1.885, so we have:

y = 1.885x + b

To find the y-intercept, we need to substitute the mean x and y values into this equation and solve for b. We have:

12.318 = 1.885(3.448) + b

Simplifying this equation gives:

12.318 = 6.50668 + b

Subtracting 6.50668 from both sides gives:

5.81132 = b

Rounding this value to three decimal places gives:

b ≈ 5.819

Therefore, the y-value of the y-intercept of the line is approximately 5.819.

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To achieve an equal mixture of milk and water, we need to remove and replace some of the mixture with water. Let's assume that we start with a certain amount of the mixture, and we remove x% of it and replace it with an equal amount of water.

To determine the value of x, we can use the following approach:

First, let's assume that we start with 100 units of the mixture. Therefore, we have 75 units of milk and 25 units of water in the mixture.

If we remove x% of the mixture, we will have (100 - x)% of the original amount left. After removing x%, the amount of milk in the mixture will still be 75 units, but the amount of water will be (75/25)*x = 3x units.

Now, we replace the removed x% of the mixture with an equal amount of water. Therefore, the amount of water in the mixture will increase by x% of the original amount, which is 25x/100. After the replacement, the amount of milk in the mixture will still be 75 units, but the amount of water will be (25 + 25x/100) units.

To achieve an equal mixture of milk and water, we need the amount of milk to be equal to the amount of water. Therefore, we can set up the following equation:

75 = (25 + 25x/100)/(2)

Solving for x, we get x = 33.33%.

Therefore, we need to remove and replace 33.33% of the mixture with water to achieve an equal mixture of milk and water.

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The probability of getting $800 or $1000 is 0.125.

Sample space = {Bankrupt, $350, $400, $600, $800, Lose a turn, $700, $300, $450, $900, Bankrupt, $600, $900, $400, $750, $300, $500, $450, $1000, $250, $800, $600, $200, $550}

We know that, probability of an event = Number of favourable outcomes/Total number of outcomes.

Here, total number of outcomes = 24

a) P(bankrupt) = 2/24 = 1/12

b) P(at least $500) = 12/24 = 1/2

c) P($800) = 2/24

P($1000) = 1/24

P($800 or $1000) = 2/24 + 1/24

= 3/24

= 1/8

= 0.125

d) P(a maximum of $700) = 4/24 = 1/6

e) P(less than $400) = 5/24

f) P(lose a turn) = 1/24

Therefore, the probability of getting $800 or $1000 is 0.125.

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