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The ratio connecting two given numbers in what is known as a proportional relationship is the constant of proportionality.Constant ratio, constant rate, unit rate, constant of variation, and even rate of change are other names for the constant of proportionality.

Therefore, let's examine the provided graph first in order to locate the solution.We can see that 1 batch of cookies need 2 cups of flour

This provides us with a ratio of 2:1.

Constant proportionality is the ratio of two proportional quantities having a constant value.

Since the batch of cookies grows by 1 for every 2 cups added, we have a constant proportionality of 2 cups.

3y=2x

Divide each term in 3y=2x

by 3

and simplify.

Tap for more steps...

y=2x3

Since the equation can be written in the form y=kx

, y varies directly with x and k. The constant of variation, k, is 23

23

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The price of a pack of balloons is 4. 39

The price of a pack of party favors is 0. 36

We have that;

Let the cost of balloons be x

Let the cost of party favors by y

From the information given, we have that;

3x + 4y = 14. 63   (1)

2x + 4y = 16. 03  (2)

Now, let's make 'x' the subject from equation (1)

x = 14. 63 - 4y/ 3  (3)

Substitute in equation (2)

3( 14. 63 - 4y/ 3) = 16. 03

expand the bracket

43. 69 - 12y /3 = 16. 03

cross multiply

43. 69 - 12y = 48. 09

collect like terms

- 12y =  - 4. 4

make 'y' the subject

y = 0. 36

substitute in equation (3)

x = 14. 63 - 4(0. 36)/ 3

x = 13. 1/ 3

x = 4. 39

Hence, the prices are 4. 39 and 0. 36 respectively.

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Answer:

for example 2(3+1)

to solve with the distributive property you multiply the number outside the parentheses(2) with each inside number(3 and 1) individually.

2(3)+2(1)

now solve

6+2=8

now to check it by solving the regular way

2(3+1), 3+1=4 so

2(4)

8

we can see that the answers are the same.

to use the distributive property with x in it

for example, -3(x-6)

multiply the outside number(-3) with each inside number(x and -6)

-3(x)+(-3)(-6)

simplify

-3x-(-18)

-3x+18

hope this helps!

Answer:

x = 0.3

Step-by-step explanation:

[tex] \sf1.9x + 0.1x = 0.6[/tex]

Combine like terms.

[tex] \sf2x = 0.6[/tex]

Divide both sides by 2.

[tex] \sf \: x = 0.3[/tex]

A 99% confidence interval for the proportion of all credit card holders who pay all their credit card bills in full each month is 0.282 + 0.055.

Confidence intervals, which describe how closely study results match reality or how dependable they are based on statistical theory, are regularly mentioned in scientific publications. The sample is used to calculate the confidence interval, which represents the range of likely population parameters. In statistics, a confidence interval describes the likelihood that a population parameter would fall between a set of values for a given percentage of the time.

Given,

Number of credit card holders

n = 450

x = 127

p = 127/450

Proportion:

p = 0.2822

99% confidence interval:

C I = 0.2822 ± 2.576 × 0.2122

CI = 0.2822 ± 0.05465

CI = 0.282 + 0.055

A 99% confidence interval for the proportion of all credit card holders who pay all their credit card bills in full each month is 0.282 + 0.055.

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Answer:

23 and 24

Step-by-step explanation:

let the 2 consecutive numbers be n and n + 1 , then

n² + (n + 1)² = 1105

n² + n² + 2n + 1 = 1105 ( subtract 1105 from both sides )

2n² + 2n - 1104 = 0 ( divide through by 2 )

n² + n - 552 = 0 ← in standard form

(n + 24)(n - 23) = 0 ← in factored form

equate each factor to zero and solve for n

n + 24 = 0 ⇒ n = - 24

n - 23 = 0 ⇒ n = 23

However, n > 0 , then n = 23 and n+ 1 = 23 + 1 = 24

the numbers are 23 and 24

Answer: 5/8

Step-by-step explanation:

5/8 is already a fraction

The length of AC which is the hypothenuse is equal 15.5mm

The Pythagoras theorem which is also referred to as the Pythagorean theorem explains the relationship between the three sides of a right-angled triangle.

In this question, triangle ABC forms a right-angle triangle at angle B and this makes it possible to use Pythagoras theorem.

Using the formula;

AC² = AB²  + BC²

AC²  = 7²  + 13.8²

AC = 15.5mm

The length of the hypothenuse is 15..5mm

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The equation the function after the transformation is g(x) = x/10

The equation of the function is given as

y = x

Express as a function

f(x) = x

The sequence of transformations is given as follows:

Vertically stretched by a factor of 1/10

When the above transformations are combined, we have:

Vertically stretched by a factor of 4: g(x) = 1/10f(x)

So, we have

g(x) = 1/10f(x)

Substitute x for f(x)

So, we have

g(x) = 1/10 * x

Evaluate

g(x) = x/10

Hence, the function g(x) is g(x) = x/10

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So, approximately 59 fish in the school would be longer than 92 cm.

An equation is a mathematical statement that shows that two expressions are equal. It consists of two sides separated by an equal sign (=). The expressions on both sides of the equal sign can contain variables, constants, coefficients, and mathematical operations such as addition, subtraction, multiplication, division, exponentiation, logarithms, etc.

Here,

We can solve this problem using the normal distribution formula, which states:

z = (x - mu) / sigma

where z is the standard score, x is the raw score, mu is the mean, and sigma is the standard deviation.

To find the number of fish longer than 92 cm, we need to find the proportion of fish in the population with lengths greater than 92 cm. We can then multiply this proportion by the total number of fish in the school to get the number of fish longer than 92 cm.

First, we calculate the standard score for 92 cm:

z = (92 - 78) / 14

z = 1

Next, we look up the proportion of the standard normal distribution that corresponds to a z-score of 1. We can use a standard normal distribution table or calculator to find this value. The proportion of the distribution that is greater than z = 1 is approximately 0.1587.

Therefore, the proportion of fish in the population with lengths greater than 92 cm is 0.1587. To find the number of fish longer than 92 cm, we multiply this proportion by the total number of fish in the school:

370 * 0.1587 = 58.8

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The graph has no vertex

The transformations from the parent function are

To determine the vertex of a graph, we look for the location of the maximum or the minimum point of the graph

Because the graph is a cubic function, the graph has no maximum or minimum (by definition)

This means that there is absence of a vertex in the graph

In (a), we have

We can see that the graph is a cubic function

This function is represented as

y = ∛x

In this graph, we can see that the graph is 4 units to the left  i.e. y = ∛(x - 4)

And 2 units below the origin i.e. y = ∛(x - 4) + 2

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To perform Rotation in coordinate plane the following information may help you.

What is Geometric Rotation ?

In geometry, rotation is a type of rigid motion or transformation that involves the movement of a shape about a point while preserving the shape, size, and distance between the points on the shape.The center of rotation is the location around which the shape is rotated.

To perform Rotation in coordinate plane

Last two questions sum up and I'm explaining like that,

      When a point is reflected in the x-axis then signs of it's ordinate (y-axis) change.

Mₓ (x, y) = (x, - y)

When a point is reflected in the y-axis then signs of it's abscissa (x-axis) change.

My (x, y) = (-x, y)

When a point is reflected in the origin , the signs of it's Abscissa and ordinate change.

M₀ (x, y) = (-x, -y)     (in origin the sign become opposite if there is '+' then it changes to '-' and vice versa)

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The function g(x) is a horizontal dilation of scale factor k = 5/2 of function f(x).

We know that f(x) is a linear function:

f(x) = 2x + 4

Here we know that:

g(x) = 2*(0.4x) + 4

Notice that function g(x) can be written as:

g(x) = f(0.4*x)

So we have a horizontal dilation, remember a horizontal dilation of scale factor k can be written as:

g(x) =f(x/k)

Notice that 0.4 = 2/5

Then we have a horizontal dilation of scale factor 5/2.

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The neighbour us an amount of $160 for the work that we did for him.

As per the agreement the never will pay 20 dollars were every hour that we work.

We worked for a total of 8 hours on Saturday.

So, according to the unitary method,

Total amount of money owned by the neighbour = number of hours for which we work x the amount received for working per hour.

Total amount of money owned by the neighbour = 8 × 20

Total amount of money owned by the neighbour = 160 dollars.

The total amount of money owned by the neighbour to us is 160 dollars.

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Answer:

I believe the unit price would be $2.97

Step-by-step explanation:

Hope this helps! :))
Please let me know if its incorrect.

Answer:

slope = - [tex]\frac{1}{6}[/tex]

Step-by-step explanation:

calculate the slope m using the slope formula

m = [tex]\frac{y_{2}-y_{1} }{x_{2}-x_{1} }[/tex]

with (x₁, y₁ ) = (0, 10 ) and (x₂, y₂ ) = (24, 6 )

m = [tex]\frac{6-10}{24-0}[/tex] = [tex]\frac{-4}{24}[/tex] = - [tex]\frac{1}{6}[/tex]

The 10th term of an arithmetic sequence is found as the 49.

As per the stated values in question.

Fifth term a5 = 24

8th term a8 = 39.

Let the first term be 'a' and the common difference be 'd'.

Then,

a5 = a + 4d

24 = a + 4d .....eq 1

a8 = a + 7d

39 = a + 7d .....eq 2

Solving eq 1 and 2.

3d = 15

d = 5

a = 4

Now,

a10 = a + 9d

a10 = 4 + (9 x 5)

a10 = 4 + 45

a10 = 49

Thus, the 10th term of an arithmetic sequence is found as the 49.

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The change  y=210(1.092)^x represent exponential growth

The percentage rate of increase is 9.2 percent increase

Exponential functions are functions that consist of three part say c(b)^d

the part that says whether the function is growth or decay is b

b is called the base function and it is used as follows to determine growth or decay function

Comparing with the given function 1.092 > 1 hence a growth function

The percentage is solved as follows

1.092 * 100 = 109.2%

109.2% is also referred to as 9.2 percent increase since it is an increment of 9.2%. this is shown below

100% + 9.2% = 109.2%

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The product of (4i-5)(4i+5) is -41.

What are complex numbers?

Every complex number can be expressed in the form a + bi, where a and b are real numbers. A complex number is an element of a number system that extends the real numbers with a specific element denoted i, also known as the imaginary unit, and satisfies the equation i² = - 1.

Here, we have

Given function

= (4i-5) (4i+5)

After applying the product rule, we get

=  16i² + 20i - 20i - 25

= 16i² - 25

after putting i² value, we get

= 16(-1) - 25

= -41

Hence, the product of (4i-5)(4i+5) is -41.

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Answer:

400meters

Step-by-step explanation:

Find the speed of the hippopotamus by dividing distance with time

6000 meters ÷15minutes =400meters/minutes

Answer:

yeah i think so

Answer:

$11.96

Step-by-step explanation:

Now we have to,

→ find the 23% of $52.

Let's solve the problem,

→ 23% of $52

→ (52/100) × 23

→ 0.52 × 23

→ $11.96

The similar expression is,

→ 0.23 × 52

→ $11.96

Hence, answer is $11.96.

The equation of a line in the point-slope form that has a slope of 1/3 and passes through the point (6,-2) is [tex]y+2 =\frac{1}{3} (x-6 )[/tex].

Calculation

[tex]y-y_{1} =m(x-x_{1} )[/tex]

[tex]y-(-2) =\frac{1}{3} (x-6 )[/tex]

[tex]y+2 =\frac{1}{3} (x-6 )[/tex]

Therefore, the equation of a line in the point-slope form that has a slope of 1/3 and passes through the point(6, -2) is [tex]y+2 =\frac{1}{3} (x-6 )[/tex]

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Answer:

A

Step-by-step explanation:

using the rule of radicals

[tex]\sqrt{a}[/tex] × [tex]\sqrt{b}[/tex] ⇔ [tex]\sqrt{ab}[/tex] , then

[tex]\sqrt{12}[/tex]

= [tex]\sqrt{4(3)}[/tex]

= [tex]\sqrt{4}[/tex] × [tex]\sqrt{3}[/tex]

= 2[tex]\sqrt{3}[/tex]

Then

[tex]\sqrt{144}[/tex] + 18[tex]\sqrt{12}[/tex] - 5[tex]\sqrt{64}[/tex]

= 12 + 18(2[tex]\sqrt{3}[/tex] ) - 5(8)

= 12 + 36[tex]\sqrt{3}[/tex] - 40

= - 28 + 36[tex]\sqrt{3}[/tex]

Step-by-step explanation:

OR

The angle L is congruent to angle T ∠L ≅ ∠T and the reason is that  opposite angles of a parallelogram are congruent.

We are given the parallelograms GHLJ and GSTU in such a manner that the parallelogram GSTU is inscribed right inside parallelogram GHLJ with angle G coinciding on the two parallelograms.

Now, we can remember that property of parallelogram states that the opposite angles of a parallelogram are congruent.

Thus, angle G is congruent to angle T and angle L .

Therefore, ∠L ≅ ∠T

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Answer:

By the parallelogram angle theorem, opposite angles of a parallelogram are congruent. Therefore, angle T must be congruent to angle G, and angle G must be congruent to angle L. By the transitive property of congruence, angle T is congruent to angle L.

Step-by-step explanation:

got it right on edge2

The table of solutions for this quadratic equation (y = -2x²) include the following:

x                    y_

-2                  -8

-1                   -2

0                   -0

1                    -2

2                   -8

Also, a graph of the solution of this quadratic equation is shown in the image attached below.

In Mathematics, the valid and true solutions to the given quadratic equation (y = -2x²) are referred to as ordered pairs and they can be determined by substituting the x-values contained in the table into the quadratic equation as follows;

When x = -2, the y-value for this quadratic equation is given by:

y = -2x²

y = -2(-2)²

y = -2 × 4

y = -8

When x = -1, the y-value for this quadratic equation is given by:

y = -2x²

y = -2(-1)²

y = -2 × 1

y = -2

When x = 0, the y-value for this quadratic equation is given by:

y = -2x²

y = -2(0)²

y = -2 × 0

y = 0

When x = 1, the y-value for this quadratic equation is given by:

y = -2x²

y = -2(1)²

y = -2 × 1

y = -2

When x = 2, the y-value for this quadratic equation is given by:

y = -2x²

y = -2(2)²

y = -2 × 4

y = -8

In conclusion, you would notice that a graph of this quadratic equation is parabolic (u-shaped) in nature with a slope of -2.

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Answer:

------------------------------------

Answer:

0.86 pounds of fruit is left.

Step-by-step explanation:

If Stacey bought 8.3 pounds and the class ate 7.44 pounds, the amount of fruit that's left is 8.3-7.44=0.86      

Balck car can overtake the red car in 2 hrs  

The Relationship between Speed, Distance & Time can be understood by the following formulas

Speed = Distance/Time  

Time = Distance / Speed

Distance = Speed X Time  

Constant speed is also called the uniform rate which involves something traveling at a fixed and steady pace or something moving at some average speed.

Here we have

Two cars are traveling in the same direction along the same route.  

The speed of the Red car = 40 miles per hr

The speed of the Black car = 50 miles per hr  

From above data

The difference between speeds of cars = 50 - 40 = 10 miles per hr

Which means the Black car is chasing the Red car at 10 miles per hr

Given that distance between two cars = 20 miles  

The time taken by the Black car to cover 20 miles

=> Distance/ speed = 20/10 = 2hrs

Balck car can overtake the red car in 2 hrs  

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