am taking a survey for school
which is better nike or vans

Answer:

7.5

Step-by-step explanation:

The area of a triangle is found by the formula A=1/2bh, where b is the base length, and h is the height. If we count the squares, we can find that the base length of the triangle is 3 units, and the height is 5 units. If we plug those numbers into the equation to get A=1/2*3*5, we can solve to get A=7.5

The width, length and height of the box is 12.247 inch, 24.494 inch, 73.482 inch respectively.

We have given that Alina wants to make a rectangular box whose base is twice as long as it's wide and alina has 300 square inches of velvet.

i.e A = l × w

it s given that l = 2w

∴ A = 2w²

⇒ 300 = 2w²

      w² = 150

       w = 12.247 inch

i.e. l = 2w

     l = 2(12.247)

     l = 24.494 inch

Therefore length of the box is 24.494 inch and width is 12.247 inch.

Now we have to find height of the box.

For the height of rectangle we know the formula

i,e, Height = \(\frac{P}{2}\) - w

where P is perimeter

we will first find perimeter of rectangle.

Therefore P = 2(l + w)

                 P = 2(24.494 + 12.247)

                 P = 2(36.741)

                 P = 73.482 inch

Hence the height of the rectangle is 73.482 inch.

Therefore the Eliza's box that Alina make has width 12.247 inch, length 24.494 inch and height 73.482 inch.

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The equation that represents h(x) is h(x) = (f(x))(g(x)).

To determine which equation represents h(x), we need to analyze the given table and understand the relationship between the functions f(x), g(x), and h(x).

Since h(x) represents the output values obtained by multiplying f(x) and g(x), we should look for values in the table where h(x) is the product of the corresponding values of f(x) and g(x).

Let's examine the table and compare the values:

x | f(x) | g(x) | h(x)

1 | 3 | 4 | 12

2 | 5 | 2 | 10

3 | 2 | 6 | 12

From the table, we can see that the values in the h(x) column are the products of the corresponding values in the f(x) and g(x) columns. Therefore, the equation that represents h(x) is h(x) = (f(x))(g(x)).

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Answer:

It's B.

Step-by-step explanation:

Edge 2020.

Answer:

n= -1.2

Step-by-step explanation:

I think because if you use slope equation to find the slope which is 3/5 and then you use point slop equation to find out what the equation would be. y=3/5x and then you substitue y for 18 and solve/simplify the equation to get -1.2.

Answer:

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

Number of male is the difference of total and female:

Percentage of male:

Answer:

33.33%

Step-by-step explanation:

First, let us find the number of male students.

Total students = Male students + Female students

Male students = Total students - Female students

Male students = 48 - 32

Male students = 16

Then, let us find the percentage of males.

\(\sf Percentage\:of\: males=\dfrac{No.\:of\:males}{Total\:number\:of\:students} *100\\\\\sf Percentage\:of\: males=\dfrac{16}{48} *100\\\\\sf Percentage\:of\: males=0.3333 *100\\\\\sf Percentage\:of\: males=33.33\)

Answer:

21.7 m

Step-by-step explanation:

The question above is a right angle triangle and we would be using the trigonometric function of tangent to solve for it.

tan θ = Opposite/ Adjacent

Opposite side = Height = unknown

Adjacent = 20sqrt(3) m

θ = Angle of Elevation = 30°

Hence, we have:

tan 30° = Opposite/ 20√3

Opposite = tan 30° × 20√3m

Opposite = 20m

Height of the tower = Height of the observer + Height (Opposite side)

Height = 20m

Height of the the observer as given in the question is = 1.7m

Height of the tower = 20m + 1.7m

= 21.7m

Therefore, the height of the tower = 21.7m

Answer:

The domain of y = f(x) is [0,8]

Step-by-step explanation:

Since the straight line with negative slope begins on the y-axis at (0. 9) and exits the plane at (8, 1), we get is domain from the minimum and maximum values of x for which the function is valid.

So, the minimum value of x at which the function is valid is x = 0 and the function is y = f(0) = 9.The maximum value of x at which the function is valid is x = 8 and the function is y = f(8) = 1.

So, the domain of the function y = f(x) is [0,8]

Answer:

y = f(x) is [0,8]

Step-by-step explanation:

a. The appropriate hypothesis test for this situation can be formulated as follows: Null Hypothesis (H₀) and Alternative Hypothesis (H₁)

b. To test the hypothesis, we can use the z-test for proportions.

c. We can find the p-value associated with z = 5.1493.

d. Conclusion:

If the p-value is less than α, we reject the null hypothesis.

If the p-value is greater than or equal to α, we fail to reject the null hypothesis.

A hypothesis known as the null hypothesis states that sample observations are the result of chance.

(a) Hypothesis Test:

The appropriate hypothesis test for this situation can be formulated as follows:

Null Hypothesis (H₀): The proportion of children with autism is equal to 5% (p = 0.05).

Alternative Hypothesis (H₁): The proportion of children with autism is different from 5% (p ≠ 0.05).

(b) Test Procedure:

To test the hypothesis, we can use the z-test for proportions. The steps for this test procedure are as follows:

1. Formulate the null and alternative hypotheses as stated in part (a).

2. Set the significance level (α) to determine the threshold for rejecting the null hypothesis.

3. Collect a random sample of children and record the number of children showing signs of autism.

4. Calculate the sample proportion (\(\bar p\)) of children with autism.

5. Calculate the standard error of the proportion (SE):

  SE = √((p₀ * (1 - p₀)) / n),

  where p₀ is the hypothesized proportion (0.05 in this case) and n is the sample size.

6. Calculate the test statistic (z):

  z = (\(\bar p\) - p₀) / SE

7. Calculate the p-value associated with the test statistic using a standard normal distribution table or a statistical software.

8. Compare the p-value with the significance level (α).

  - If the p-value is less than α, reject the null hypothesis.

  - If the p-value is greater than or equal to α, fail to reject the null hypothesis.

(c) Perform the Test and Calculate the p-value:

In this case, the sample size is 384, and the number of children showing signs of autism is 46.

\(\bar p\) = 46/384 = 0.1198

SE = √((0.05 * (1 - 0.05)) / 384) ≈ 0.0134

z = (0.1198 - 0.05) / 0.0134 ≈ 5.1493

Using a standard normal distribution table or a statistical software, we can find the p-value associated with z = 5.1493. The p-value represents the probability of observing a test statistic as extreme as the one calculated (or more extreme) under the assumption that the null hypothesis is true.

(d) Conclusion:

Based on the calculated p-value and the chosen significance level (α), we can draw a conclusion:

If the p-value is less than α, we reject the null hypothesis.

If the p-value is greater than or equal to α, we fail to reject the null hypothesis.

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Answer:

Answer is 104

Step-by-step explanation:

The selling price of the coat is $104.

The percentage is calculated by dividing the required value by the total value and multiplying by 100.

Example:

Required percentage value = a

total value = b

Percentage = a/b x 100

Example:

50% = 50/100 = 1/2

25% = 25/100 = 1/4

20% = 20/100 = 1/5

10% = 10/100 = 1/10

We have,

Original price = $200

Selling price.

= 52% of $200

= 52/100 x 200

= $104

Thus,

$104 is the selling price of the coat.

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Performing a Chi-Square test is a statistical tool used to determine if there is a significant difference between observed and expected data. The test helps to analyze categorical data by comparing observed frequencies to the expected frequencies. The p-value in a Chi-Square test refers to the probability of obtaining the observed results by chance alone.

If a p-value lower than 0.01 is obtained in a Chi-Square test, it means that the results are statistically significant. In other words, there is strong evidence to reject the null hypothesis, which states that there is no significant difference between the observed and expected data. This means that the observed data is not due to chance alone, but rather to some other factor or factors.

The mean, or average, is not directly related to the Chi-Square test or the p-value. The Chi-Square test is specifically used to determine the significance of the observed data. However, the mean can be used as a measure of central tendency for continuous data, but it is not applicable to categorical data.

In conclusion, obtaining a p-value lower than 0.01 in a Chi-Square test means that there is strong evidence to reject the null hypothesis, and that the observed data is statistically significant.

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The taxi ride is an illustration of a linear proportional equation

The taxi ride was 13.25 miles

From the question, we have:

The number of miles (n) is the quotient of the total cost of the ride, and the cost per mile.

So, we have:

n = 39.75/3.00

Evaluate the quotient

n = 13.25

Hence, the ride was 13.25 miles

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Answer:  the equation of function g(x) is y=0.7 x+ 1.5

Step-by-step explanation: The value of the function g(x) is −2 when x=−5. It means the graph of function passes through (-5,-2).

The value of the function g(x) is 5.7 when x=6. It means the graph of function passes through (6,5.7).

The equation of function g(x) that passes through (-5,-2) and (6,5.7) is

Answer:

To convert 2 Bigha into Kattha:

If 1 Bigha = 20 Kattha:

2 Bigha = 2 * 20 Kattha = 40 Kattha

If 1 Bigha = 16 Kattha:

2 Bigha = 2 * 16 Kattha = 32 Kattha

The probability that neither of the selected loans is underwater is approximately 0.5444.

To find the probability that neither of the selected loans is underwater, we need to calculate the probability of selecting a loan that is not underwater for both selections.

Out of the 10 real estate loans, 3 are underwater. So, the probability of selecting a loan that is not underwater for the first selection is (10 - 3) / 10 = 7/10.

After the first selection, there are 9 loans left, out of which 2 are underwater. So, the probability of selecting a loan that is not underwater for the second selection is (9 - 2) / 9 = 7/9.

To find the probability of both events happening, we multiply the probabilities together:

Probability = (7/10) * (7/9) = 49/90 ≈ 0.5444

Therefore, the probability that neither of the selected loans is underwater is approximately 0.5444.

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Answer:

She will save \(\$24.44\) by driving.

Step-by-step explanation:

Given: Jocelyn lives in Granite Falls. She wants to visit Megan in Spokane Valley. She can fly from Seattle to Spokane for \(\$96.20\) round trip or she can drive a total of \(650\) miles round trip. If her car gets \(25\) miles per gallon, and gas costs \(\$2.76\)/gallon.

To find: how much money will she save by driving?

Solution:

The total cost for flying Seattle to Spokane is \(\$96.20\).

Now, in order to find how much money will she save by driving, we need to first find the total cost for driving a total of \(650\) miles round trip.

So, total distance \(=650\) miles.

Car covers \(25\) miles per gallon.

So, to cover \(650\) miles, \(\frac{650}{25} =26\) gallons of gas is required.

Now, gas costs \(\$2.76\)/gallon.

Therefore, total charge \(=26\times2.76=\$71.76\).

So, total money saved\(=\$96.20-\$71.76=\$24.44\)

Hence, she will save \(\$24.44\) by driving.

Answer:

Its B

Step-by-step explanation:

Because

The solution is:

(B)IH = IJ = 3 and JK= HK = √29 units, and IH ≠ JK and IJ ≠ HK.

In Euclidean geometry, a kite is a quadrilateral with reflection symmetry across a diagonal. Because of this symmetry, a kite has two equal angles and two pairs of adjacent equal-length sides.

here, we have,

In a kite the following properties applies

Adjacent sides are equal

IH and IJ are adjacent sides

IH=IJ=3 Units

Similarly, JK and HK are adjacent sides and:

JK= HK = √29 units

Since opposite sides of a kite must not be equal,

IH ≠ JK and IJ ≠ HK.

Therefore, Option B is the statement that proves that HIJK is a kite.

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Complete question:

On a coordinate plane, kite H I J K with diagonals is shown. Point H is at (negative 3, 1), point I is at (negative 3, 4), point J is at (0, 4), and point K is at (2, negative 1). Which statement proves that quadrilateral HIJK is a kite? HI ⊥ IJ, and m∠H = m∠J. IH = IJ = 3 and JK = HK = StartRoot 29 EndRoot, and IH ≠ JK and IJ ≠ HK. IK intersects HJ at the midpoint of HJ at (−1.5, 2.5). The slope of HK = Negative two-fifths and the slope of JK = Negative five-halves.

(1) Using the Black/Scholes Option Pricing Model, the value of the call option is $7.70.

(2) The intrinsic value of the call is the difference between the stock price and the strike price of the option. Therefore, it is $4.

(3) The stock price required to break-even is the sum of the strike price and the option premium. Therefore, it is $74.

(4) If volatility were to decrease, the value of the call would decrease.

(5) If the exercise price would increase, the value of the call would decrease.

(6) If the time to maturity were 3-months, the value of the call would decrease.

(7) If the stock price were $62, the value of the call would be zero.

(8) The maximum value that a call option can take is unlimited.

In the Black/Scholes option pricing model, the value of a call option can be calculated using the formula:

C = S*N(d1) - X*e^(-rT)*N(d2)

where S is the stock price, X is the exercise price, r is the risk-free rate, T is the time to maturity, and σ2 is the variance of the stock's return.

Using the given values, we can calculate d1 and d2:

d1 = [ln(S/X) + (r + σ2/2)T]/(σ2T^(1/2))

   = [ln(74/70) + (0.10 + 0.50/2)*0.5]/(0.50*0.5^(1/2))

   = 0.9827

d2 = d1 - σ2T^(1/2) = 0.7327

Using these values, we can calculate the value of the call option:

C = S*N(d1) - X*e^(-rT)*N(d2)

= 74*N(0.9827) - 70*e^(-0.10*0.5)*N(0.7327)

= $7.70

The intrinsic value of the call is the difference between the stock price and the strike price of the option. Therefore, it is $4.

The stock price required to break-even is the sum of the strike price and the option premium. Therefore, it is $74.If volatility were to decrease, the value of the call would decrease. This is because the option's value is directly proportional to the volatility of the stock.

If the exercise price would increase, the value of the call would decrease. This is because the option's value is inversely proportional to the exercise price of the option.

If the time to maturity were 3-months, the value of the call would decrease. This is because the option's value is inversely proportional to the time to maturity of the option.If the stock price were $62, the value of the call would be zero. This is because the intrinsic value of the call is zero when the stock price is less than the strike price.

The maximum value that a call option can take is unlimited. This is because the value of a call option is directly proportional to the stock price. As the stock price increases, the value of the call option also increases.

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The statement means that when adding or subtracting polynomials, the result is always another polynomial. For example, adding \(2x^2 + 3x - 5\)and \(x^2 - 2x + 1\) yields \(3x^2 + x - 4,\) which is a polynomial. Similarly, subtracting these polynomials gives \(x^2 + 5x - 4\), also a polynomial.

The statement "Polynomials are closed under the operations of addition and subtraction" means that when we add or subtract two polynomials, the result is always another polynomial. In other words, the sum or difference of two polynomials will still be a polynomial.

An addition example:

Let's consider two polynomials:

p(x) =\(2x^2 + 3x - 5\)

q(x) = \(x^2 - 2x + 1\)

To add these two polynomials, we simply combine like terms:

p(x) + q(x) = \((2x^2 + x^2) + (3x - 2x) + (-5 + 1)\)

= \(3x^2 + x - 4\)

The result, \(3x^2 + x - 4\), is also a polynomial.

A subtraction example:

Using the same polynomials, p(x) and q(x), we can subtract them:

p(x) - q(x) =\((2x^2 - x^2) + (3x - (-2x)) + (-5 - 1)\)

= \(x^2 + 5x - 4\)

Again, the result,\(x^2 + 5x - 4\), is a polynomial.

In both examples, the addition and subtraction of polynomials resulted in another polynomial, demonstrating that polynomials are closed under these operations.

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Step-by-step explanation:

What is the total magnification if we using objective lens 4x and our eyepiece (ocular) lens is 10x

40x

100x

400x

1000x

Answer:

Simplify: (4x2 - 2x) - (-5x2 - 8x).

Solution:

(4x2 - 2x) - (-5x2 - 8x)

= 4x2 - 2x + 5x2 + 8x.

= 4x2 + 5x2 - 2x + 8x.

= 9x2 + 6x.

= 3x(3x + 2).

Answer: 3x(3x + 2)

Step-by-step explanation:

Hope it help

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The bacterial cell is about 7 × 10^(1) times smaller than the amoeba cell in scientific notations.

What are scientific notations?

Scientific notations are a way of representing either a very small or a very large number in the powers of 10. Scientific notations comprise digits from 1 to 9 with powers of 10.

Calculation of the amount by which a bacterial cell is smaller than the amoeba cell

Given the length of amoeba cell in scientific notations is 3.5 × 10^(- 4)

The length of a bacterial cell in scientific notations is 5 × 10^(- 6)

To obtain how small the bacterial cell is from the amoeba cell, we need to divide both the lengths i.e.

= 3.5 × 10^(- 4) / 5 × 10^(- 6)

= 0.7 × 10^(2)

= 7 × 10^(1)

Hence, the bacterial cell is about 7 × 10^(1) times smaller than the amoeba cell in scientific notations.

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Using the central limit theorem, for different sample sizes, we find the probabilities Pr(Y < 68) ≈ 0.9439, Pr(68 < Y < 69) ≈ 0.0590, and Pr(Y > 66) ≈ 0.0228.

a) In a random sample of size n = 69, we can approximate the distribution of the sample mean using a normal distribution. The mean of the sample mean will be equal to the population mean μY = 65, and the variance of the sample mean will be σY^2 / n = 49 / 69 ≈ 0.7101. To find Pr(Y < 68), we calculate the z-score using the formula z = (x - μ) / σ, where x is the value we want to find the probability for.

z = (68 - 65) / √(0.7101) ≈ 1.5953

Using a standard normal distribution table or a calculator, we find the probability associated with z = 1.5953 to be approximately 0.9439. Therefore, Pr(Y < 68) ≈ 0.9439.

b) In a random sample of size n = 124, we can again approximate the distribution of the sample mean using a normal distribution. The mean of the sample mean will still be equal to the population mean μY = 65, and the variance of the sample mean will be σY^2 / n = 49 / 124 ≈ 0.3952. To find Pr(68 < Y < 69), we calculate the z-scores for the lower and upper limits.

Lower z-score: z1 = (68 - 65) / √(0.3952) ≈ 1.5225

Upper z-score: z2 = (69 - 65) / √(0.3952) ≈ 2.5346

Using the standard normal distribution table or a calculator, we find the probability associated with z1 = 1.5225 to be approximately 0.9357 and the probability associated with z2 = 2.5346 to be approximately 0.9947. Therefore, Pr(68 < Y < 69) ≈ 0.9947 - 0.9357 ≈ 0.0590.

c) In a random sample of size n = 196, we can once again approximate the distribution of the sample mean using a normal distribution. The mean of the sample mean will still be equal to the population mean μY = 65, and the variance of the sample mean will be σY^2 / n = 49 / 196 ≈ 0.2500. To find Pr(Y > 66), we calculate the z-score.

z = (66 - 65) / √(0.2500) = 2

Using the standard normal distribution table or a calculator, we find the probability associated with z = 2 to be approximately 0.9772. Therefore, Pr(Y > 66) ≈ 1 - 0.9772 ≈ 0.0228.

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Answer:

Step-by-step explanation:

The eigenvalues of [A] are λ1 = -1 and λ2 = 1, with corresponding eigenvectors [1, -1, 0] and [0, 0, 0], respectively.

To find the matrix for the linear transformation T, which reflects all vectors in R3 through the xy plane, we can consider the effect of T on the standard basis vectors e1, e2, and e3:

T(e1) = e1

T(e2) = e2

T(e3) = -e3

This tells us that the first two columns of the matrix for T will be the standard basis vectors e1 and e2, and the third column will be -e3. Thus, the matrix for T is:

[A] = [1 0 0;

0 1 0;

0 0 -1]

To find the eigenvalues and eigenvectors of this matrix, we can solve the characteristic equation det([A] - λ[I]) = 0, where [I] is the 3x3 identity matrix. This gives us:

\(det([A] - λ[I]) = det([1-λ 0 0; 0 1-λ 0; 0 0 -1-λ])\\= (1-λ)(1-λ)(-1-λ)\\= -(λ+1)(λ-1)^2\)

Therefore, the eigenvalues of [A] are λ1 = -1 (with algebraic multiplicity 1) and λ2 = 1 (with algebraic multiplicity 2).

To find the eigenvectors corresponding to these eigenvalues, we can solve the systems of equations ([A] - λ[I])v = 0 for each eigenvalue. For λ1 = -1, we have:

([A] + [I])v = [0 0 0]'

which gives us the equation:

x + y = z

Thus, the eigenvectors corresponding to λ1 are of the form [x, y, z] where x + y = z. One such eigenvector is [1, -1, 0].

For λ2 = 1, we have:

([A] - [I])v = [0 0 0]'

which gives us the equations:

x = 0

y = 0

z = 0

Thus, the eigenvectors corresponding to λ2 are all vectors of the form [0, 0, 0].

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The length of the rectangular plot is 125 feet.

A rectangle is a quadrilateral with opposite sides equal to each other and opposite sides parallel to each other.

The rectangle has a right triangle in it. Therefore, using Pythagoras's theorem,

c² = a² + b²

where

Therefore,

l² = 325² - 300²

l = √105625 - 90000

l = √15625

l = 125 ft

Therefore,

length of the rectangular plot = 125 feet

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Answer:

Step-by-step explanation:

we will use 0,8 in 10 seconds as thats the easiest.

for 10 to become 1 we move the decimel once to the right, 10/10

same will happen to 0.8,

10/10=1

0.8/10=0.08

The hot air-ballon climbs 0,08 meters per second

The insurance policy covers 80% of the cost of x-rays after paying an annual deductible.

The first x-ray costs $620

The second x-ray costs $970

First, you have to add the cost of both x-rays to determine how much do they cost:

Both x-rays together cost $1590

Second, calculate the 80% of $1590, the result will represent the amount deducted by the insurance

→ The amount covered by the insurance is $1272

Third, subtract the discount to the total cost of the x-rays to determine how much will he pay

So after paying an annual deductible of $200, he will pay $318 for the x-rays.

Answer: You have already given the answer in the question! You can make a small shoe box.