find the exact trigonometric ratios for the angle x whose radian measure is given. (if an answer is undefined, enter undefined.) −7????

Answer:

Step-by-step explanation:

Instead of performing repeated two-mean comparisons, we conduct an analysis of variance to compare means because doing so reduces the likelihood of Type I errors. Here option A is the correct answer.

ANOVA is preferred over multiple two-mean comparisons because it reduces the Type I error probability and offers several benefits over conducting multiple t-tests.

When conducting multiple two-mean comparisons, the likelihood of making a Type I error (i.e., rejecting a true null hypothesis) increases with each comparison made. This is known as the multiple comparison problem, and it can lead to an inflated false positive rate.

In contrast, ANOVA uses a single test to compare multiple means simultaneously, reducing the likelihood of making a Type I error. ANOVA achieves this by partitioning the total variation in the data into different sources of variation and estimating the amount of variation due to random chance.

Additionally, ANOVA offers several benefits over multiple t-tests. One advantage is that it provides a statistical significance test for the overall difference among the groups, not just for pairwise comparisons. ANOVA also allows for the testing of interactions between factors that influence the mean differences. Furthermore, ANOVA calculations can be more efficient than conducting multiple t-tests, especially when the number of groups is large.

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Complete question:

The reason why we perform an analysis of variance for comparing means rather than conducting multiple two-mean comparisons is

A. Because multiple two-mean comparisons increase the Type I error probability.

B. Simply because ANOVA has simpler calculations but otherwise offers no benefit over the multiple t-tests.

C. Power is compromised when using t-tests.

The answer is 1/10

This is simple division

The equation is (1/5÷2)

I did my work on a sheet of paper so i know i did this correctly

My explanation of my work:

Keep change flip is the operation used here

So you keep 1/5 ,change the division sign to multiplication and flip the 2/1 into 1/2 so the new equation is (1/5x1/2) the answer to that is 1/10  

Have an amazing day :)

-yO mAmA

Answer:36380

Step-by-step explanation:

The missing number from the diagram is 26. Option D

First, we need to know that square of a number is the number times itself

From the diagram shown, we have that;

a. 2² = 4

4² = 16

Add the values

4 + 16 = 20

Also, we have that;

3² = 9

9² = 81

Add the values

= 81 + 9 = 90

Then,

1² = 1

5² =25

Add the values

25 + 1 = 26

Thus, to determine the value, we need to find the square of the other two and add them.

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Answer:

The number line has to be shown in a picture if you want more specific instructions from others.

Step-by-step explanation:

Show a picture

Answer:-

\(\frac{1}{3}\)

Step-by-step explanation:

Delta y / Delta x (delta = difference of)

\(\frac{1}{3}\).

Answer:

yeah I think is 9.13

Step-by-step explanation:

If 180 liters of fluid enter the kidneys each day, about 178 liters of fluid will be reabsorbed by the kidneys each day.

The kidneys play a crucial role in filtering and regulating fluid balance in the body. On average, approximately 180 liters of fluid enter the kidneys each day through the process of filtration. However, not all of this fluid is excreted as urine. The majority of it, around 99%, is reabsorbed back into the bloodstream.

The reabsorption process occurs in the renal tubules, where essential substances such as water, electrolytes, and nutrients are selectively transported back into the bloodstream while waste products and excess substances are removed for eventual excretion.

Therefore, out of the initial 180 liters that enter the kidneys, around 178 liters are reabsorbed, leaving only a small amount (approximately 2 liters) to be excreted as urine.

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Answer:

15 mm

Step-by-step explanation:

Since both pyramids are joined together, this means that the base of the pyramid which is a square have the same dimensions.

Let the length and width of the base be x, hence the dimension of the base is x mm by x mm.

For the first pyramid, the volume is:

V₁ = a²h₁/3; where a is the length of the square base, h₁ is the height.

Since the pyramid has a height of 16 mm, hence:

V₁ = 16x²/3

the second pyramid, the volume is:

V₂ = a²h₂/3; where a is the length of the square base, h₂ is the height.

Since the pyramid has a height of 20 mm, hence:

V₂ = 20x²/3

Since the total volume (V) of the pyramid is 2700 mm³, hence:

V = V₁ + V₂

V = 16x²/3 + 20x²/3

2700 = 16x²/3 + 20x²/3

2700 = 36x²/3

36x² = 8100

x² = 225

x = 15 mm

Answer:

47

Step-by-step explanation:

I dont know

The speed v[t] is always a positive value, since it's the magnitude of the velocity vector.

The velocity of the motion at time t is given by V[t] = x'[t], which is the derivative of the position function x[t] with respect to time.

To compute v[t], you take the square root of the magnitude of V[t], which is given by:

v[t] = |V[t]| = sqrt(|x'[t]|) = sqrt(sqrt[t] * |V[t]|)

Here, the square root of t is taken as a weighting factor for the velocity, which means that the speed increases with time. The speed v[t] is always a positive value, since it's the magnitude of the velocity vector.

Note that this formula assumes that the motion x[t] is differentiable, which means that the velocity V[t] is well-defined and continuous. If x[t] is not differentiable, then the velocity V[t] may not exist, and this formula wouldn't apply.T

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The answer is , an approx. value of m such that the equation cos(x) = mx has exactly two solutions is m = 1 and m = -0.3183

To find an approximate value of m such that the equation cos(x) = mx has exactly two solutions, we can use the fact that the graph of y = cos(x) intersects the line y = mx at exactly two points.

The graph of y = cos(x) is a periodic function with a maximum value of 1 and a minimum value of -1.

Since we want the line y = mx to intersect the graph of y = cos(x) at exactly two points, the slope m must satisfy the condition -1 ≤ m ≤ 1.

Furthermore, for the line y = mx to intersect the graph of y = cos(x) at exactly two points, the line must pass through the maximum and minimum points of the graph of y = cos(x).

These occur at x = 0 and x = π.

At x = 0, we have cos(0) = 1 and the equation cos(x) = mx becomes 1 = m(0), which simplifies to m = 1.

At x = π, we have cos(π) = -1 and the equation cos(x) = mx becomes -1 = m(π), which simplifies to m = -1/π.

Therefore, an approx. value of m such that the equation cos(x) = mx has exactly two solutions is m ≈ 1 and m ≈ -0.3183 (rounded to four decimal places).

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Answer:

x=9 is the answer......

The mean is 65.0646 and standard deviation is 39.082 when we can see the complete form of the table in the picture.

Given that,

As seen in the spreadsheet file P05 63.xlsx, two gamblers engage in a game of wheel-based roulette. Each gambler lays four bets, but each uses a different strategy, as will be seen later. Use the probabilities to determine the distribution of each gambler's net earnings after four bets. Then calculate their net wins' mean and standard deviation. You can get going with the file.

We have to find the mean and standard deviation.

We know that,

In the picture we can see the complete table.

Here, we calculated probability as,

For example take a first row

P(red=4, black=0, green=0) = (18/37)⁴ + 0 + 0 = 0.056

So the mean is 65.0646 and standard deviation is 39.082.

Therefore, The mean is 65.0646 and standard deviation is 39.082 when we can see the complete form of the table in the picture.

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Answer:

Step-by-step explanation:

Factorize both numbers:

Common factors are:

So HCF is:

\(\Large \red \mid \: \underline {\rm {{{\color{blue}{Explanation...}}}}} \: \red \mid\)

As per Euclid Division Algorithm.

\( \longrightarrow \: \Large\underbrace {\rm {{{\color{red}{ \: a \: = \: bq \: + \: r \: }}}}} \)

\(\large\bf{\purple{ \hookrightarrow \: }} \tt \: \: 900 \: = \: 270 \: \times \: 3 \: + \: 90\)

\(\large\bf{\orange{ \implies \: }} \: \:r \: \neq \: 0\)

Again Applying Euclid Division Algorithm

\(\large\bf{\purple{ \hookrightarrow \: }} \tt \: 270 \: = \: 90 \: \times \: 3 \: + \: 0\)

\(\large\bf{\orange{ \implies \: }} \: \:r \: = \: 0\)

As the reminder is 0 , 90 will be the greatest common divisor for the two given numbers.

\({\boxed{ \Large{ \blue{ \bf{ \underline{ HCF \: = \: 90}}}}}}\)

Answer:

3/4, 0.8, 94%

Step-by-step explanation:

An individual's BMR decreases approximately 3 to 5 percent per decade on an average after the age of option C. 30.

Therefore, on an average individuals BMR is approximately decreases by round about 3 to 5 percent per decade after the age of option c. 30.

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The equation of the path of the parabola is y = a(x - 13)² + 27

Given data ,

To represent the path of Al's toss, we can assume that the path is a parabolic trajectory.

The equation of a parabola in vertex form is given by:

y = a(x - h)² + k

where (h, k) represents the vertex of the parabola

Now , the balloon was released from the 10-yard line and landed at the 16-yard line, we can determine the x-values for the vertex of the parabola.

The x-coordinate of the vertex is the average of the two x-values (10 and 16) where the balloon was released and landed:

h = (10 + 16) / 2 = 13

Since the height of the balloon reached 27 yards, we have the vertex point (13, 27)

Now, let's substitute the vertex coordinates (h, k) into the general equation:

y = a(x - 13)² + k

Substituting the vertex coordinates (13, 27)

y = a(x - 13)² + 27

To determine the value of 'a', we need another point on the parabolic path. Let's assume that the highest point reached by the balloon is the vertex (13, 27).

This means that the highest point (13, 27) lies on the parabola

Substituting the vertex coordinates (13, 27) into the equation

27 = a(13 - 13)² + 27

27 = a(0) + 27

27 = 27

Hence , the equation representing the path of Al's toss is y = a(x - 13)² + 27, where 'a' can be any real number

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Answer:

multiplying by 100 "shifts" decimal point to the right by 2

90  

1379  

2989.4

Step-by-step explanation:

Answer:

0.9 x 100=90

13.79 x 100=1379

29.894 x 100=2989.4

​

Step-by-step explanation:

The option 1 "A clockwise rotation of 90 degrees and then a dilation by a scale factor of 2", option 3 "A clockwise rotation of 90 degrees and then a reflection across the y-axis." and option 5 "A translation 5 units down and then a clockwise rotation of 90 degrees." are correct.

In the given question,

A sequence of transformations is applied to ACDE to create AC'D'E'.

We have to select all of the sequences of transformations that could be applied to ACDE so that ACDE = AC'D'E'.

Firstly we learn about Transformation

A point, line, or geometric object can be changed in four different ways that are all collectively referred to as transformations. The pre-image is the shape of the object as it was originally, and the transformed shape of the object is termed the image.

We can transform an object by translation, rotation, reflection, and enlargement.

So according to explanation we can see that

Option 1 is correct because in this option we transform the ABCD by rotation of 90 degrees and then a dilation by a scale factor of 2. In this option only shape is changing.

Option 2 is not correct because in this option we used both dilation by a scale factor of 2 and then a reflection across the y-axis. In this option shape and size both changes.

Option 3 is also correct because in this option we rotate 90 degree in clockwise direction and then a reflection across the y-axis. So there only change the position.

Option 4 is not correct because there is a translation by 5 units down and then a dilation by a scale factor of 2. It will change the shape and direction both.

Option 5 is correct because there is a translation by 5 units down and then a clockwise rotation of 90 degrees. It will change only shape.

Option 6 is not correct because there is reflection across the y-axis and then a translation 5 units down.

Hence, the option 1,3 and 5 are correct.

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9. H is a subspace of R3 as it contains a 2s vector [0, 2s, 0].

10. H is a subspace of R3 as it consists of the zero vector [0, 0, 0].

11. W is a subspace of R3 as it is spanned by the vectors [1,0,0] and [1,1,0].

12.W is a subspace of R4 as it is spanned by the vectors [1,2,0,0] and [0,-1,4,0].

9. To find a 2s vector v in R3 such that H is a subspace of R3, we can choose v = [0, 2s, 0]. This vector satisfies the condition of H being a subspace since it is of the form 2s, and any scalar multiple of v will also be of the form 2s, which is within H. Therefore, H is a subspace of R3.

0. Let H be the set of all vectors of the form [0, 0, 0]. To show that H is a subspace of R3, we can use the method from Exercise 9. By choosing v = [0, 0, 0],

we can see that H is closed under scalar multiplication and addition, as any scalar multiple or sum of the zero vector will still result in the zero vector. Therefore, H is a subspace of R3.

11. Let W be the set of all vectors of the form [b, c, 0], where b and c are arbitrary. To show that W is a subspace of R3, we need to find vectors u and v such that W is spanned by (u, v).

We can choose u = [1, 0, 0] and v = [0, 1, 0]. Any vector in W can be expressed as a linear combination of u and v, and therefore W is spanned by (u, v). This shows that W is a subspace of R3.

12. Let W be the set of all vectors of the form [s, 2s - t, 4t] in R4. To show that W is a subspace of R4, we can use the method from Exercise 11. By choosing u = [1, 2, 0, 0] and v = [0, -1, 4, 0],

we can observe that any vector in W can be expressed as a linear combination of u and v. Hence, W is spanned by (u, v), indicating that W is a subspace of R4.

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The solution to both inequalities is where the two solutions overlap, which is where x is greater than 2 but also less than or equal to 8.

What is Graph?

In mathematics, a graph is a visual representation of a set of data, usually involving two or more variables. A graph can be used to show the relationship between the variables, and it can help to illustrate patterns, trends, or correlations that might not be apparent from a table of data alone.

To solve the inequalities x+7 > 9 and 8x ≤ 64, we first simplify them:

x+7 > 9

x > 2

8x ≤ 64

x ≤ 8

To graph this on a number line, we can draw a line with an open circle at 2 to indicate that x is greater than 2, and a closed circle at 8 to indicate that x is less than or equal to 8. Then we shade in the area between the two points to show the range of values that satisfy both inequalities.

Therefore, the solution to both inequalities is where the two solutions overlap, which is where x is greater than 2 but also less than or equal to 8.

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17. the sum of the lengths of any two sides of a triangle is always greater than the length of the third side

T=the third side

12+18>T

12+T>18

18+T>12

the first equation says that T<30

the second equation says that T>6

putting these together...

6<T<30

(Credit: Arthur D)

The answer is 3/25π m/h.

acc to our question-

With related rates, we need a function to relate the 2 variables, in this case it is clearly volume and height. The formula is:

hence,The answer is 3/25π m/h.

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Answer:

The perimeter is the sum of the lengths of all the sides of a polygon. Thus, the perimeter of this quadrilateral is:

(10a-6) + (7a+4) + (7a+4) + (10a-6)

Simplifying the expression:

= 34a - 4

Therefore, the perimeter of the quadrilateral is 34a - 4.

Answer:

2/60 = 1/30 = 3.3%

Step-by-step explanation:

The amount of carbon-14 remaining after 20 millennia is 0.912 mg.

The exponential decay function for a 24-mg sample of carbon-14 can be represented by the equation:

y = 24e^(-kt)

where:

y is the amount of carbon-14 remaining

e is the base of the natural logarithm

k is the decay constant, calculated by dividing the natural logarithm of 2 by the half-life of carbon-14 (5730 years)

t is the time elapsed

So, k = ln(2)/5730

To find the amount of carbon-14 remaining after 20 millennia (20,000 years), we can plug in the values:

t = 20,000 years

y = 24e^(-k * 20,000)

Substituting the value of k:

y = 24e^(-ln(2)/5730 * 20,000)

y = 24 * e^(-0.000011 * 20,000)

y = 24 * 0.038

y = 0.912 mg

So, the amount of carbon-14 remaining after 20 millennia is 0.912 mg.

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Answer: should be the last answer! to the right.

Step-by-step explanation:

You have 30 coins and the d are dimes and q are quarters

Answer:

$290

Step-by-step explanation:

if minimum wage is $7.25

7.25×40= 290