Determine if the graph shows a proportional relationship. Graph with x axis labeled distance miles and y axis labeled time hours. A line begins at point 0 comma 0 and continues to the right. Yes, it is proportional because it is a line that intersects with the origin. Yes, it is proportional because the x-axis and y-axis are labeled correctly. No, it is not proportional because the line does not intersect with the origin. No, it is not proportional because the x-axis and y-axis are not labeled correctly.

Substitute the  sign for the symbol to graph the provided inequality.

Replace the symbol with the = sign to graph the specified inequality.

Create a table now.

y= 8x - 6.

Assume a random integer for x to determine y.

x y= 8x - 6.

-2 -4

0 -4

-6 8

We are now graphing the points. Connect the spots with the dotted line.

Now, we'll do shading.

Use the test point (8,6)

Therefore, we darken the area that doesn't include (8,6)

We are now graphing the points. Connect the spots with the dotted line.

Substitute the = sign for the symbol to graph the provided inequality.

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The exact probability that this museum gets at least 3 visitors in a minute is approximately 0.224

A Poisson distribution is a probability distribution that models the number of times an event occurs within a given time or space, if these events are rare and independently of the time since the last event. The Poisson distribution is characterized by the mean number of occurrences λ in a given interval.

In this case, the mean number of visitors per minute is λ = 5 visitors / 2 minutes = 2.5 visitors per minute.

We can use the Poisson probability mass function to find the probability that this museum gets at least 3 visitors in a minute.

To find the probability that this museum gets at least 3 visitors in a minute by using:

1 - P(X < 3)

Where X is the number of visitors in a minute and 3 is the lower limit of the number of visitors we want to include in the sample.

Thus, P(X>=3) = 1 - P(X < 3) = 1  - 0.776 = 0.224

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Answer:

yeah you can

Step-by-step explanation:

what do you need help with lol

The perimeter of the given composite figure is given as follows:

105 ft.

The perimeter of a polygon is obtained as the sum of all the outer side lengths of the polygon.

The side lengths for the polygon in this problem are given as follows:

Hence the perimeter for the polygon is calculated as follows:

45 + 40 + 15 + 5 = 105 ft.

(sum of all the outer side lengths).

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Equation of the two lines 3x – 2y = –15  , 2x + 3y = –15 are perpendicular to each other.

Equation of the two different lines are :

3x – 2y = –15

2x + 3y = –15

Convert both the equation into slope intercept form :

y = mx + c

Where 'm' represents the slope of the line and 'c' represents the y- intercept.

Equation of first line

3x – 2y = –15

⇒ 2y = 3x + 15

⇒ y = 3/2x + 15/2

Here slope 'm₁ ' is equal to 3/2.

2x + 3y = –15

⇒ 3y = -2x -15

⇒  y = -2/3x - 5

here slope 'm₂ ' is equal to -2/3

For parallel lines slope should be equal.

here m₁ ≠ m₂

Not parallel lines.

For perpendicular lines :

m₁ × m₂ = -1

Here , (3/2 ) × ( -2/3 ) = -1

Lines are perpendicular to each other.

Therefore, the product of the slope is equal to -1 lines are perpendicular to each other.

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Answer: 50.24 or 50

Step-by-step explanation:

the radius is half of a circle so the diameter is 16, the formula for area is diameter x pi

pi= 3.14

16 x 3.14 =50.24

Ivanna earns $2,400 if she doesn't sell any copies of history is fun.

Ivanna makes an extra $120 ($120) for each additional copy she sells and a loss of $120 ($120) for each fewer copy.

If Ivanna doesn't sell any copies of History is Fun, her total compensation is $2,400.

Ivanna makes a total salary of y = 2,400 + 120x, where x is the quantity of copies of her book History is Fun she sells.

We compare the compensation for two successive values of y to determine the change in Ivanna's pay.

We must estimate y when x exists of consecutive values i.e. 1, 2, 3, 4

We compute the value of y when x = 1, 2 and 3.

When x = 1, y = 2,400 + 120 (1) = 2,400 + 120 = $2,520.

When x = 2, y = 2,400 + 120 (2) = 2,400 + 240 = $2,640.

When x = 3, y = 2,400 + 120 (3) = 2,400 + 360 = $2,760.

To estimate the increase in her pay for a copy, we subtract y when x = 2 from y when x = 3.

(y when x = 3) - (y when x = 2) = $2,760 - $2,640 = $120.

So for every extra copy, Ivanna gets an extra $120.

To estimate the decrease in her pay for a copy, we subtract y when x = 3 from y when x = 2.

(y when x = 2) - (y when x = 3) = $2,640 - $2,760 = -$120.

So for every less copy, Ivanna loses $120.

To estimate her pay when she doesn't sell any copies of history is fun, we substitute the value of x as 0 in y.

When x = 0, y = 2,400 + 120 (0) = $2,400.

So Ivanna earns $2,400 if she doesn't sell any copies of history is fun.

The complete question is:

Ivanna is a software saleswoman. Let y represent her total pay (in dollars). Let x represent the number of copies of History is Fun she sells. Suppose that x and y are related by the equation 2400+120x = y.

Answer the questions below.

Note that a change can be an increase or a decrease.

For an increase, use a positive number. For a decrease, use a negative number.

What is the change in Ivanna's total pay for each copy of History is Fun she sells?

What is Ivanna's total pay if she doesn't sell any copies of History is Fun?

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Answer:

$9 = (1-25%) * (x + 4)

Step-by-step explanation:

$9 = (1-25%) * (x + 4)

(a) The speed in feet per second is 110 feet per second.

(b) The speed in kilometers per hour is 120.75 kilometers per hour

The speed limit on certain interstate highways, s = 75 miles per hour

a) We have to find the speed in feet per second.

1 mile = 5280 feet

75 miles = 75 x 5280

75 miles = 396,000 feet

s = 396,000 feet/hour

s = 39600/3600 feet/second

s = 110 feet per second

b) We have to find the speed in kilometers per hour.

1 mile = 1.61 km

75 miles = 75 x 1.61

75 miles = 120.75 km

s = 120.75 kilometers per hour

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22084.78 gallons is the volume of your pool.

Any rectangular solid's volume, V, is equal to the sum of its dimensions, height, width, and depth. In terms of the area of the base, we might alternatively express the formula for a rectangular solid's volume. The base's surface area, B, is equal to its length x width.

Dimensions of the pool = 4.93 m x 9.69 m x 1.75 m

Volume = 4.93 x 9.69 x 1.75

             = 83.6 cubic meter

1 cubic meter = 264.172 gallons

83.6 cubic meter = 83.6 x 264.172

                            = 22084.78 gallons

Hence, 22084.78 gallons is the volume of your pool.

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Vital phrases there are more than and lesser than, so if he went, say, 75 miles from his residence to the first city the first one they would claim that he actually traveled 10 miles less between the first and second cities.

The total distance is 320 miles because, according to the very last sentence, the initial distance between the first and second cities was approximately 75 miles, and if the distance between the second and third cities was the same, the equation would be (160*2)+75. In order to solve this equation correctly, you must use P.E.M.D.A.S., which stands for parenthesis, exponents, multiplying, dividing, and adding subtracting.

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The probability that the numbers are selected and multiplied to be a multiple of 196 is 1/3.

196 is the multiple we require.We list the components of 196, which are 14*14=2*7*2*7.

Therefore, the required numbers that will be present in any product must have at least these as its factors.So, we choose 98 now, and it's possible that all it takes to achieve 196 is to multiply that by 2. Therefore, if we take 98 as one of our numbers, the other numbers that must be multiplied are 2,4,12,14,28. That makes 5 pairs necessary.

So, we choose 98 now, and it's possible that all it takes to achieve 196 is to multiply that by 2. Therefore, if we take 98 as one of our numbers, the other numbers that must be multiplied are 2,4,12,14,28. That makes 5 pairs necessary. We can now take pairings like (21,28) and (14,28) based on the prime factorization (14,28).

The total number of possible pairs is ⁷C₂ = 21

Therefore, the required probability =7/21=1/3

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If the individual resistances are known to follow a normal distribution with a mean of 100 ohms and a standard deviation of 10 ohms , then the sample mean resistance associated with the ten resistors is 99.16 ohms .

The resistors of randomly selected 100 ohms resistors are recorded as :

⇒ 79.9, 85.9, 87.0, 96.7, 107.4, 100.8, 115.4, 117.9, 98, and 102.6  ;

we have to fins the sample mean resistance associated  with the 10 resistors .

the number of resistors(n) = 10 ;

the sum of 10 resistors is ⇒ 79.9 + 85.9 + 87.0 + 96.7 + 107.4 + 100.8 + 115.4 + 117.9 + 98 + 102.6

⇒ 991.6/10 = 99.16 .

Therefore , the sample mean resistance is 99.16 ohms .

The given question is incomplete , the complete question is

The resistances of then randomly selected 100-ohm resistors have been recorded: 79.9, 85.9, 87.0, 96.7, 107.4, 100.8, 115.4, 117.9, 98, and 102.6 ohms. The individual resistances are known to follow a normal distribution with a mean of 100 ohms and a standard deviation of 10 ohms.

Calculate the sample mean resistance associated with the ten resistors .

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Answer:

No

Step-by-step explanation:

I got the postulates mixed up. These triangles have the same angle measurements but the lengths of the sides are different so the answer is no. These triangles do not follow the AAS, SSS, SAS, or ASA postulates.

Answer:

Step-by-step explanation:

Yes, it is congruent because SSA.

Answer:  The graph of the function f(x) = -2x² is a parabola that opens downward, with its vertex at the origin (0,0). The x-axis is the axis of symmetry for this parabola.

To plot five points on the graph of the function, we can substitute different x-values into the function and solve for y:

For x = 0, y = f(0) = -2(0)² = 0

For x = -2, y = f(-2) = -2(-2)² = 8

For x = -3, y = f(-3) = -2(-3)² = 18

For x = 2, y = f(2) = -2(2)² = -8

For x = 1, y = f(1) = -2(1)² = -2

So, the five points on the graph of the function are (0,0), (-2,8), (-3,18), (2,-8), (1,-2).

It's important to note that, the graph of f(x)=-2x² will be a parabola opening downward and passing through the points that we found.

Step-by-step explanation:

By using the ruler tool to draw the correct level of water on the second jug, the measurement of water is observed to be 500 ml or half litre.

The capacity and shapes of both the given jugs are different.

The first jug is measured in terms of millilitres and second jug is measured in terms of lites.

It is given that water is poured from one jug into the other. The measurement of the water level on both the jugs will be the same.

From the conversion of measurements, we know, 1 litre = 1000 millilitres

On the second jug into which water is poured, the first measurement line is 0.25 L. The second bigger line is 0.5 L.

The water level is observed to be till the second line in the second jug. Thus, the water on second jug is 0.5 L or 500 ml.

The question is incomplete. The complete question has the picture of two jugs. It is attached in the attachment below.

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The outside temperature t when Arianna ate breakfast was 55°F.

An equation is a mathematical statement showing that two expressions are equal. It is written with an equal sign (=) between two expressions, with one expression on the left side of the equal sign, and the other expression on the right side.

According to the given statements-  

Let the outside temperature at the time of breakfast be t°F.

The temperature dropped by 20°F by the time of dinner.

So the temperature at the time of breakfast = t - 20

Also, when she ate dinner the temperature was 35°F

So the equation for outside temperature t when Arianna ate breakfast will be -

t - 20 = 35

Simplifying we get,

t = 35 + 20

t = 55°F

Hence, the outside temperature t when Arianna ate breakfast was 55°F.

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Answer:

The interest earned on the account would be $30.75. (6150.053/12=30.75)

Step-by-step explanation:

The value of x when y is 32 is 21.3

From the question, we have the following parameters that can be used in our computation:

y varies directly as x

This means that

Y/X = y/x

From the question, we have the following values

x = 33 when y = 22

So, we have

33/22 = y/x

When x = 32, we have

33/22 = 32/x

Solve for x

x = 22 * 32/33

Evaluate

x = 21.3

Hence, the value of x is 21.3

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The resultant speed is 52.48 and the direction of the airplane is west to north.

The resultant velocity of an object is defined as the sum of its individual vector velocities, and the sum of the vector forces on an object is equal to the scalar product of the object's mass and its acceleration vector.

Given

The plane is initially flying with a velocity of magnitude v=500mph.

at an angle of  30° North toward the west

The velocity of the plane airplane can be written as:

[tex]v_a=-500(sin 30i+cos30j)[/tex]

Now the wind is encountered with the speed of v=70mph at an angle of N 45°E

[tex]v_w=70(cos45i+sin45j)\\[/tex]

resultant velocity:

[tex]v_R=v_a=v_w\\\\[/tex]

[tex]v_R=-500(sin 30i+cos30j)+70(cos45i+sin45j)\\\\v_R=i(-250+49.49)+j(433.01+49.49)\\\\v_R=i(-200.51)+j(482.5)\\\\tan\alpha =\frac{482.5}{-200.51} \\\\tan\alpha =2.406\\\\\alpha =tan^-^1(2.406)[/tex]

α=52.48° west of North.

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(14cos45° + 70cos180°, 14sin45° + 70sin180°) = (17.9, -55.1) is the component form of the sum of u and v with direction angles u and v.

The amount of rotation that occurs between two planes or straight lines is what is meant to be meant by the geometrical term "angle." A full circle is 360 degrees, and an angle is measured in degrees. Right angles (90 degrees), acute angles (less than 90 degrees), and obtuse angles (more than 90 degrees) are the most prevalent types of angles. Depending on how they relate to one another, angles can also be broken down into complementary or supplementary categories. The sum of complementary and supplementary angles is 90 degrees, while the sum of the two is 180 degrees.

The vector addition formula can be used to determine the component form of the sum of u and v. According to this formula, the direction angle of the vector sum is equal to the arctangent of the ratio of the sum of the y-components of the two vectors to the sum of the x-components of the two vectors, while the magnitude of the vector sum of two vectors is equal to the square root of the sum of the squares of each vector's magnitude.

The component form of the sum of the given vectors u and v is as follows:

Magnitude = √(14²) + (70²)) = 70.45

The direction angle is arctan((14 × sin(45) + 70×sin(180)) / (14×cos(45) + 70×cos(180)))

                                          = 153.43°

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The function that would be needed for the team of dodgeball players to choose a co - captain and a captain would be a permutation.

The techniques used to determine how many outcomes are conceivable in certain circumstances are permutation and combination. Combinations and permutations are referred to as selections and arrangements, respectively. The sum rules and product rules, which are based on the basic concept of counting, make counting simple to use.

When an order or sequence of arrangement is required, permutations are used. There is an order that needs to be used here and that order is that a captain is picked to have more authority than a captain.

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The full question is:

Permutation, combination, or neither? A team of 9 dodgeball players needs to choose a co-captain and captain.

The trinomial expression that represents C is

C = -3x² - 18x + 19

An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.

Example: 2 + 3x + 4y = 7 is an expression.

We have,

C = G - 3F ______(1)

F = 2x² + 6x - 5

G = 3x² + 4

Substituting F and G in (1)

C = 3x² + 4 - 3(2x² + 6x - 5)

C = 3x² + 4 - 6x² - 18x + 15

C = -3x² - 18x + 19

Thus,

The trinomial expression is

C = -3x² - 18x + 19

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The Pythagorean Theorem states that the square of the lengths of the two sides of a right triangle adds to the square of the length of the hypotenuse.

The Pythagorean Theorem states that a ² +b ² =c ² for a right-angled triangle ABC, right-angled at B. The whole integers a, b, and c form a Pythagorean triple if a and b are the lengths of the two sides of a right-angled triangle with hypotenuse c.

Draw a BD that is perpendicular to AC and meets at D. So, the Pythagorean theorem is established. Recall that the Pythagorean Theorem only applies to right-angled triangles. Two even numbers and one odd number, or all odd numbers, cannot form a Pythagorean triple. The square of an odd number is an odd number, and the square of an even number is an even number, hence this is true. A, B, and C are the three positive integers, and the Pythagorean triples are written as            a ² +b ² =c ².

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The figure drawn by Mike is rectangle according to the angles and dimensions.

As the statement mentioned, the sides are at 90° degree or perpendicular to each other. It is seen in only two figures, which are square and rectangle. The square has all the sides equal whole rectangle has opposite sides equal.

As the length and width is different in the figure, the opposite sides signifying length and width will be equal. Therefore, opposite sides will be equal in the figure and hence it will be rectangle.

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We also know that 1 4 and 8 5 by the vertical angles theorem.

Vertical angles, also known as vertically opposite angles, are the opposing angles formed when two lines converge. Angles that are vertically opposite one another are always equal to one another. A vertical angle and the angle it is near to are also supplementary angles, which means their combined angle is 180 degrees.

The opposite angle, for example, is 45° when two lines intersect to form an angle, say X=45°. And the angle next to angle X will be 180 – 45, or 135 degrees.

Correct Question :

Given: e || f and g is a transversal.

Prove: 1 8 Given that e || f and g is a transversal, we know that 4 5 by the alternate interior angles theorem. We also know that 1 4 and 8 5 by the (corresponding angles theorem / alternate interior angles theorem / vertical angles theorem / alternate exterior angles theorem). Therefore, 1 8 by the transitive property.

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The measures are given as follows:

1. Length of 36 cm.

2. Height of 1.44 cm.

The measures are obtained applying the proportions in the context of this problem.

The ratio between the length and the width is given as follows:

Length/Width = 180/75

Length/Width = 2.4

Length = 2.4 Width.

For a width of 15 cm, the length is given as follows:

15 x 2.4 = 36 cm.

The ratio between the length and the height is given as follows:

Length/Height = 180/20

Length/Height= 9

Length = 9Height

Height = Length/9

Hence the height if the length is of 13 cm is given as follows:

13/9 = 1.44 cm.

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In the given scenario, 96.3 rounded to the nearest whole number is 96.

A whole number is a number that does not have a fractional or decimal part, and is an integer greater than or equal to zero.

Whole numbers are often used to represent the count of discrete objects or items.

Examples of whole numbers include: 0, 1, 2, 3, 4, 5, and so on. Whole numbers are a subset of the set of integers.

To round a decimal number to the nearest whole number, look at the digit to the right of the decimal point.

If the digit is less than 5, round down. If the digit is 5 or greater, round up.

Rounding off is a method of approximating a number to a specified number of significant digits or decimal places.

The basic idea behind rounding off is to keep only the most significant digits of a number and discard the rest.

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The proportionality is 0.45, then the equation is C = 0.45 n. The number of peppers you buy for $20 will be 44.44. Then the table is completed below.

What are proportion and ratio?

A collection of consecutively ordered numbers a and b expressed as a/b, where b is never equal to zero, is referred to as a ratio. A statement is considered proportionate when there is equality between two items.

Let n be the number of peppers and C be the price. The proportionality is then provided as,

C ∝ kn

With n = 5 and a cost of C = 2.25, we obtain

2.25 = k (5) (5)

k = 2.25 / 5

k = 0.45

The equation is then presented as,

C = 0.45 n

You will be told how many peppers you get for your $20 purchase as,

20 = 0.45 n

n = 44.44

Then the table is completed below.

Number of peppers             Cost

             1                              $0.45

            2                              $0.90

            3                              $1.35

            4                              $1.80

            5                              $2.25

           10                              $4.50

           15                              $6.75

          20                              $9

         100                              $45

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a) The slope equation representing Maya's spending situation is x - 3n = 68, where x is the initial amount Maya has and n is the number of days she has spent her money.

b) Using the above equation, after 25 days, Maya will have $35 left.

c) Using the above equation, after 9 days, Maya will have $83 left.

d) The slope is the average rate Maya spends per day, which is $3 while the y-intercept represents the initial amount she has.

A slope equation is written in the slope-intercept form: y = mx + b, where m is the slope and b is the y-intercept.

Maya's average spending rate per day = $3

The number of days Maya has spent money = 14 days

The amount left after 14 days = $68

Let the initial amount Maya has = x and the number of days she has spent her money = n

a) x - 3n = 68

x = 68 + 3n

x = 68 + 3(14)

x = 68 + 42

x = 110

= $110

b) 110 - 3n = 35

-3n = -75

n = 25

c) 110 - 3(9)

= 110 - 27

= 83

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