Write the ratio of corresponding sides for the similar triangles and reduce the ratio to lowest terms. 2 similar triangles. Triangle 1 has side lengths 4, 5, blank. Triangle 2 has side lengths 12, 15, blank. a. StartFraction 4 Over 5 EndFraction = StartFraction 12 Over 15 EndFraction = StartFraction 4 Over 5 EndFraction b. StartFraction 4 Over 15 EndFraction = StartFraction 5 Over 12 EndFraction = StartFraction 4 Over 15 EndFraction c. StartFraction 4 Over 12 EndFraction = StartFraction 5 Over 15 EndFraction = StartFraction 1 Over 3 EndFraction d. StartFraction 5 Over 4 EndFraction = StartFraction 15 Over 12 EndFraction = StartFraction 5 Over 4 EndFraction

Let μ be the mean of the distribution and let σ be its standard deviation.

We know that 54 falls two standard deviations above the mean, this can be express as:

We also know that 42 falls one standard deviation below the mean, this can be express as:

Hence, we have the system of equations:

To find the mean we solve the second equation for the standard deviation:

Now we plug this value in the first equation:

Therefore, the mean of the distribution is 46

The height of the object after 1.00 seconds launched is 24 feet.

Quadratic function is a function where the maximum power of x variable is 2. Simply you can write quadratic function as:

y = ax^2 + bx + c

y is height in feet and x is time in second.

Known 2 conditions from the question:

From second condition (0 feet in 0 second), we can substitute 0 both in y and y:

y = ax^2 + bx + c

0 = a(0)^2 + b(0) + c

0 = 0 + 0 + c

0 = c

And this, we know that the constant (c) of the function is 0.

Just substitute c with 0 in previous function.

y = ax^2 + bx + c

y = ax^2 + bx + 0

y = ax^2 + bx

From first condition (25 feet in 1.25 seconds), we can substitute x with 1.25 and y with 25:

y = ax^2 + bx

25 = a(1.25)^2 + b(1.25)

25 = 1.56625a + 1.25b

Maximum/minimum point of quadratic function can be found with dy/dx = 0, dy/dx is differential:

y = ax^2 + bx

dy/dx = 2ax + b

0 = 2ax + b

0 = 2a(1.25) + b

0 = 2.5a + b

-2.5a = b

After we know the ratio a and b, we can substitute b with -2.5a in previous equation:

25 = 1.5625a + 1.25b

25 = 1.5625a + 1.25(-2.5a)

25 = 1.5625a - 3.125a

25 = -1.5625a

15/-1.5635 = a

a = 15/-1.5625

a = 16

We got a = 16. Then we just substitute it in a b ratio equation:

b = -2.5a

b = -2.5(-16)

b = 40

After we know a, b, c, just substitute that three numbers in the function:

y = ax^2 + bx + c

y = -16x^2 + 40x

So, the function can be used in launching of the object is y = -16x^2 + 40x.

Where is the object in 1.00 seconds after launched? Just substitute x with 1.

y = -16x^2 + 40x

y = -16(1)^2 + 40(1)

y = -16 + 40

y = 24 feet

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Answer:14

Step-by-step explanation:

The probability of a Type I error is extremely small, which means that the workers are unlikely to make a mistake by shutting down the machine too often when the true mean weight of cereal in the boxes is equal to or greater than 520 grams.

The probability is a metric for determining how likely an event is to occur. It assesses the event's certainty. P(E) = Number of Favorable Outcomes / Number of Total Outcomes is the probability formula.

To calculate the probability of a Type I error, we first need to specify the null and alternative hypotheses.

Null hypothesis: The true mean weight of cereal in the boxes is equal to or greater than 520 grams.

Alternative hypothesis: The true mean weight of cereal in the boxes is less than 520 grams.

Let's denote the true mean weight of cereal in the boxes as μ. Under the null hypothesis, we have μ ≥ 520.

We can use the fact that the distribution of fills is normal with a known standard deviation of 3 grams to find the sampling distribution of the sample mean weight of cereal in a sample of size 3. Since we are sampling without replacement, we need to use the formula for a finite population:

Standard error of the sample mean = standard deviation / sqrt(sample size) * sqrt(N-n/N-1)

where N is the population size (the total number of boxes filled), n is the sample size (3 in this case), and N-1 is the degrees of freedom.

We know that the population mean is μ and the population standard deviation is 3 grams. We also know that the machine is set to put 523 grams in each box, so N (the population size) is equal to 515 / 523 times the number of boxes filled. Let's assume that the machine fills 10,000 boxes per day, so N = 9,856.

Plugging in the values, we get:

Standard error of the sample mean = 3 / √(3) * √(9,856-3/9,855) = 1.539 grams

Next, we need to find the critical value of the sample mean weight that separates the rejection region (when we reject the null hypothesis) from the acceptance region (when we fail to reject the null hypothesis).

Since the alternative hypothesis is one-tailed (we are only interested in the left tail), we can use a one-tailed t-test with a significance level of 0.05. The degrees of freedom is n-1 = 2.

Using a t-table or a calculator, we find the critical value to be -2.353.

Finally, we can calculate the probability of a Type I error as follows:

Probability of Type I error = P(reject null | null is true)

= P(sample mean < critical value | μ ≥ 520)

= P(z < (critical value - μ) / standard error of the sample mean | μ ≥ 520)

= P(z < (-2.353 - 520) / 1.539 | μ ≥ 520)

= P(z < -9.747 | μ ≥ 520)

= extremely small (close to 0)

Therefore, the probability of a Type I error is extremely small, which means that the workers are unlikely to make a mistake by shutting down the machine too often when the true mean weight of cereal in the boxes is equal to or greater than 520 grams.

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to get the equation of any straight line, we simply need two points off of it, let's use those two in the picture below

\((\stackrel{x_1}{1}~,~\stackrel{y_1}{8})\qquad (\stackrel{x_2}{3}~,~\stackrel{y_2}{24}) ~\hfill~ \stackrel{slope}{m}\implies \cfrac{\stackrel{\textit{\large rise}} {\stackrel{y_2}{24}-\stackrel{y1}{8}}}{\underset{\textit{\large run}} {\underset{x_2}{3}-\underset{x_1}{1}}} \implies \cfrac{ 16 }{ 2 } \implies 8\)

\(\begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{8}=\stackrel{m}{ 8}(x-\stackrel{x_1}{1}) \\\\\\ y-8=8x-8\implies {\Large \begin{array}{llll} y=8x \end{array}}\)

Answer:

\(y=8x\)

Step-by-step explanation:

We can see that this line has a constant of proportionality. That is — x is proportional to y and vice versa. This means that the equation for the line's equation will be in the form:

\(y = mx\)

where \(m\) is the ratio of x to y.

This ratio is also known as the line's slope. We can solve for the slope using the equation:

slope = rise / run

slope = \(\Delta\)y / \(\Delta\)x

slope = 8 / 1

slope = 8

\(m=8\)

So, the equation of the line is:

\(y=mx\)

\(\boxed{y=8x}\)

Hector's goal is to reach a 10-kilometer run, and he plans to increase his distance by 0.5 kilometers every Saturday. By analyzing Hector's calculations, we can determine that the equation equivalent to his calculations is 2.5 + 0.5x = 10, where x represents the number of weeks. Using this equation, we can find the number of weeks it will take Hector to reach his goal of a 10-kilometer run, which is 14 weeks.

Hector's calculations show a pattern of adding 0.5 kilometers to his distance each week. We can express this pattern using the equation 2.5 + 0.5x = 10, where x represents the number of weeks. The left side of the equation represents Hector's total distance covered, while the right side represents his goal of running 10 kilometers.

To find the number of weeks it will take Hector to reach his goal, we solve the equation for x. Rearranging the equation, we have:

0.5x = 10 - 2.5

0.5x = 7.5

Dividing both sides of the equation by 0.5:

x = 7.5 / 0.5

x = 15

Therefore, it will take Hector 15 weeks to reach a 10-kilometer run.

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The equation that models this scenario is: \(c(x) = -2x^2 + 16x + 168\).

Given:

Average number of students per session = 14

Fee per session = $12

For every $2 increase in the fee.

Let x be the number of $2 fee increases.

So, the fee for each session is $12 + ($2 x) as there is a $2 increase for each x.

and, the average reduces by 1 for each $2 increase then the average number of students per session is 14 - x.

Now, the revenue generated

\({\text} Revenue (c(x)) =\) \({\text} Fee per session * Average number of students per session\)

Substituting the values of fee per session = 12 + 2x and Average= 14- x into above formula as:

\(c(x) = (12 + (2 x)) * (14 - x)\)

Expanding and simplifying the equation:

\(c(x) = (12 + 2x) * (14 - x)\)

\(c(x) = 168 - 12x + 28x - 2x^2\)

\(c(x) = -2x^2 + 16x + 168\)

Therefore, the equation is: \(c(x) = -2x^2 + 16x + 168\)

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Th question attached here seems to be incomplete, the complete question is:

Type the correct answer in each blank. Use numerals instead of words. If necessary, use / for the fraction bar(s). John hosts an art workshop on the weekends. He has an average of 14 students in each session and charges a fee of $12 per session. He estimates that for every $2 increases in the fee, the average number of students reduces by 1. Complete the equation that models this scenario, where c(x) is the revenue generated and x is the number of $2 fee increases.

c(x) =_x^2 +_x+_

Answer:

Step-by-step explanation:

its correct [hope this helped]

Answer:

You separate all this number then you put them in ascending order then you start to draw a line to get your median so our median is 25

To the nearest hundredth, pi + the square root of forty roughly equals 9.47. The best choice is B.

Rounding a number to a particular value reduces the complexity of the number while increasing readability and accessibility.

When you round to a certain point, the exact digits are maintained on the left side of that point but are rounded or somewhat trimmed from the right.

The limit is set at five.

All right-sided values are made zero if the right-side digit to the digit where we must round off is less than or equal to five; otherwise, it is increased by one and the remaining right-side digits are made zero. If the digit to the right of the decimal point is 5, and there are just zeros or no values after it, we round up (raise by 1 as in 347500 to 34800). (Well there are many detailed rules of rounding)

The following can be used to represent the provided expression, "pi plus the square root of forty to the closest hundredth,"

π + √40

= 3.1416 + 6.3245

= 9.4661 ≈ 9.47

Value is therefore 9.47.

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Answer:

No.

Step-by-step explanation:

It is not possible to make a triangle that has the angles measuring 60 degrees, 30 degrees and 45 degrees because the angles of a triangle have to add up to 180 degrees. 30+45+60=135

Therefore, these angles would not measure up to 180 degrees. It is not possible to make a triangle that has these angles. These angles measure up to 135 degrees not 180 degrees.

Answer:

The vertex is (-2,1)

Step-by-step explanation:

The standard equation for the parabola is 4p(x-h)=(y-k)^2

Rewrite (y-1)^2=24(x+2) in standard form

4*6(x-(-2))=(y-1)^2

Therefore parabola properites are:

(h,k)=(-2,1)

Mr. Krumm paid $9.27 for a tie that had a 3% sales tax added on. So, the tie cost $231.75 before the tax was included.

To find out how much the tie cost before the tax was included, we need to first calculate how much of the total price was due to the tax. We know that the total price Mr. Krumm paid was $9.27, and that this price included a $3% sales tax.

To calculate the amount of tax that was included in the price, we can start by setting up an equation:

0.03x = 9.27 - x

Here, x represents the cost of the tie before the tax was included. We know that the tax is 3% of this cost, which is why we're multiplying it by 0.03.. We're also subtracting x from 9.27 to get the amount of tax that was added on.

Simplifying this equation, we get:

0.04x = 9.27

Dividing both sides by 0.04, we get:

x = 231.75

So the tie cost $231.75 before the tax was included.

In summary, Mr. Krumm paid $9.27 for a tie that had a 3% sales tax added on. To find out how much the tie cost before the tax was included, we set up an equation and solved for the cost of the tie (x) before the tax was added. The answer is that the tie cost $231.75 before the tax was included.

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The relation R defined on the positive integers is not a partial order, as it does not satisfy the antisymmetric property.

The relation R is an equivalence relation, as it satisfies the three defining properties: reflexivity, symmetry, and transitivity.

The relation R defined on the positive integers is not a partial order. This can be explained as follows :

The relation R does not satisfy the antisymmetric property. Specifically, there exist positive integers a and b such that a R b and b R a, but a ≠ b. For example, consider a = 4 and b = 6. Both 4 and 6 have a common divisor greater than 1 (namely, 2), so 4 R 6 and 6 R 4. However, 4 ≠ 6, so the relation R is not antisymmetric and therefore cannot be a partial order.

The relation R is an equivalence relation. This is because it satisfies the three defining properties: reflexivity, symmetry, and transitivity.

Reflexivity follows immediately from the definition of a common divisor, since any positive integer has itself as a common divisor.

Symmetry also follows from the definition, since if a and b have a common divisor greater than 1, then so do b and a.

Finally, transitivity follows from the fact that if a and b have a common divisor greater than 1, and b and c have a common divisor greater than 1, then a and c must also have a common divisor greater than 1 (namely, any common divisor of b and a, and any common divisor of b and c, must also be a common divisor of a and c). Therefore, the relation R is an equivalence relation on the positive integers.

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Since the only solution i.e., {c₁, c₂, c₃} = {0, 0, 0} is trivial, f₁, f₂, f₃ are linearly independent on the interval (-∞, ∞).

Let us determine the values of c₁, c₂, and c₃, so that g(x) = 0 on the interval (-∞, ∞) which can be solved as below:

g(x) = c₁f₁(x) + c₂f₂(x) + c₃f₃(x) = 0

f₁(x) = 0

f₂(x) = x if 0 ≤ x < ∞;

otherwise f₂(x) = 0f₃(x) = ex

On the interval (-∞, ∞), we can substitute values to solve for c₁, c₂, and c₃.

When x = 0, we have:

0 = c₁(0) + c₂(0) + c₃(e₀)0 = c₃

So c₃ = 0.

Now our expression simplifies to: g(x) = c₁f₁(x) + c₂f₂(x) = 0

f₁(x) = 0

f₂(x) = x,

if 0 ≤ x < ∞; otherwise f₂(x) = 0

At x = 1, we get 0 = c₁(0) + c₂(1)0 = c₂

So c₂ = 0.

Now we have: g(x) = c₁f₁(x) + c₂f₂(x) = 0

f₁(x) = 0

f₂(x) = x, if 0 ≤ x < ∞; otherwise f₂(x) = 0

At x = 0,

we have 0 = c₁(0) + c₂(0) + c₃(1)0 = c₁

So c₁ = 0.

The solution is {c₁, c₂, c₃} = {0, 0, 0} which is the trivial solution. Since the only solution is trivial, f₁, f₂, f₃ are linearly independent on the interval (-∞, ∞).

Therefore, the answer is linearly independent.

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Answer:

5/7

Step-by-step explanation:

Hi, so the question is simplify 25/35. each fraction can be divided by five.

So each will be divided by five. So, first the numerator which is the top of the fraction. 25/5=5 so the new simplified top is 5.

The denominator, the bottom fraction, 35/5= 7, so the new simplified denominator is 7.

Refix the fraction and you have that 25/35 = 5/7

Answer:

5/7

Step-by-step explanation:

Say you got a 25 out of 35 questions right on a test you got 5/7 of them correct and get a 71.43% right.

Or think of it like 7 can go into 35 a total of 5 times and 5 can also go into 25 5 times.

Hope this helps have a great day:)

Answer:

3

12

12

48

48

192

192

768

768

I hope I helped you

The solution to the system of equation is (0, 3)

Inequalities are equation that are not separated by an equal sign. Given the following system of inequality to have:

2x + 3y > -3
2x + y ≥3

Subtract to have;

3y - y ≥ -3 - 3

-2y ≥ -6

Divide both sides by -2 to have:

y ≤ -6/-2

y ≤ 3

Substitute the value of y into any of the equation to have:

2x + y ≥3
2x ≥3 - 3
x ≥ 0

Hence the solution to the system of equation is (0, 3)

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Using complementary angles, it is found that the solution to the trigonometric equation is of x = 20.

Complementary angles are two angles whose measures add to 90º.

If two angles a and b are complementary, we have that the sine of one is the cosine of other, that is:

\(\sin{a} = \cos{b}\)

In this problem, the equation is:

\(\sin{(2x)} = \cos{(x + 30)}\)

Hence, they are complementary, which means that:

\(2x + x + 30 = 90\)

\(3x = 60\)

\(x = \frac{60}{3}\)

\(x = 20\)

The solution to the trigonometric equation is of x = 20.

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The area of the surface obtained by rotating the curve x = 20 cos(3θ), y = 20 sin(3θ), where 0 ≤ θ ≤ π/2, about the x-axis is calculated using the formulA for surface area of revolution

To find the area of the surface, we can use the formula for the surface area of revolution. Given a curve defined parametrically by x = f(θ) and y = g(θ), where α ≤ θ ≤ β, the surface area obtained by rotating the curve about the x-axis is given by:

A = ∫[α,β] 2πy √(1 + (f'(θ))²) dθ

In this case, we have x = 20 cos(3θ) and y = 20 sin(3θ), with 0 ≤ θ ≤ π/2. Taking the derivatives, we find f'(θ) = -60 sin(3θ) and g'(θ) = 60 cos(3θ).

Plugging these values into the surface area formula and simplifying, we get:

A = ∫[0,π/2] 2π(20 sin(3θ))(√(1 + (-60 sin(3θ))²)) dθ

Evaluating this integral will give us the exact value of the surface area of the rotated curve about the x-axis within the given range of θ.

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Answer:

The speed of car is 45.3 miles per hour.

Step-by-step explanation:

3/(4(x+2)) = x/(x+2)

the common denominator would have to be 4(x+2).

to get the right side to this denominator, we have to multiply numerator and denominator (top and bottom) by 4.

and then we get

3/(4(x+2)) = (4x)/(4(x+2))

and now as both sides are "standing" on the same denominator, we can simply compare only the top parts.

3 = 4x

and therefore we can solve

x = 3/4

and D is then the right answer choice.

A

the length of each pipe

The equation of the line that passes through the point (6, 7) and is parallel to the line 2x - 3y = 9 is y = 2x/3+3.

According to the question,

We have the following information:

Point through which line is passing = (6,7)

Equation of the line:

2x-3y = 9

We will convert this equation into slope-intercept form:

-3y = 9-2x

3y = 2x-9

Dividing by 3 on both the sides:

y = 2x/3-3

Slope of the line = 2/3

We know that the following formula is used to find the equation of the line:

y-y' = m(x-x')

(y-7) = 2/3(x-6)

y-7 = 2x/3-4

y = 2x/3-4+7

y = 2x/3+3

Hence, the equation of the line that passes through the point (6, 7) and is parallel to the line 2x - 3y = 9 is y = 2x/3+3.

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The answer is sum 5. Sum is a way to combine everything. The sum combines two or more numbers to produce a new total. In addition to "sum," other words that can be used in place of "sum" include "all together," "put together," "how many in all," and "total."

 Hence the Sum is 5.

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Answer:

p=5

Step-by-step explanation:

3p-7+p=13

Add like terms.

3p+p-7=13

4p-7=13

Add 7 to both sides.

4p-7+7=13+7

4p=20

Divide 4 from both sides.

\(\frac{4p}{4}\)=\(\frac{20}{4}\)

p=5

Hope this helps!

If not, I am sorry.

Therefore the solution of the given problem is  product of the equation is 3\(x^{3}\) + 12x.

The equals sign (=) must appear in an equation. You can think of an equation as having a left and a right side since there will be a mathematical expression on either side of it. Consider an equation to be a set of scales. Although you can use different amounts on either side, for it to be solved, each side must be equally balanced .An unknown will always be present in an algebraic equation. This is symbolized by a symbol, such x, y, or z.

Here,

We must calculate the product of 3x(\(x^{2}\) + 4).

In light of the query

Follow all of the instructions listed below to obtain the equation's product.

Equation; 3x(\(x^{2}\) + 4).

Then,

The product of the equation is,

=>3x(\(x^{2}\) + 4).

=>3\(x^{3}\) + 12x

Therefore the solution of the given problem is  product of the equation is 3\(x^{3}\) + 12x.

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Answer:

c = 4,9

d = 4,6