Please help with this translation the screenshot is sent below!!

We can see here that when the ladybird is rotated:

This ladybird made a 90° turn clockwise.

This ladybird made a 180° anticlockwise.

In mathematics, rotation refers to a transformation that turns or rotates an object around a fixed point called the center of rotation. It is a fundamental concept in geometry and is used to describe the movement of points, shapes, or figures in the plane or in three-dimensional space.

A rotation involves specifying the center of rotation, the angle of rotation, and the direction of rotation (clockwise or counterclockwise).

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Answer:

Test statistic

Step-by-step explanation:

Answer:

-3(x-4)

Step-by-step explanation:

to factor, you have to find the gcf of both numbers. the gcf is -3

Answer:

-3 (x-4)

Step-by-step explanation:

Take a negative three out of each part of the problem.

Answer: 120

Step-by-step explanation:

Answer:

11+13+16 or 14x15x18

Step-by-step explanation:

HOPE IT HELPS! :)

Answer:

$7.65

Step-by-step explanation:

its the right answer, TRUST ME!!!!

The woman's cardiac risk ratio can be calculated by dividing her total cholesterol level by her high-density lipoprotein (HDL) level. With a total cholesterol level of 225 mg/dL and an HDL level of 60 mg/dL, her cardiac risk ratio is 3.8, which falls within the desirable range of 3.0 to 4.5 for women.

To calculate the cardiac risk ratio, we divide the total cholesterol level by the HDL level. In this case, the woman's total cholesterol level is 225 mg/dL, and her HDL level is 60 mg/dL. Thus, her cardiac risk ratio is given by 225 mg/dL / 60 mg/dL = 3.75.

The cardiac risk ratio is typically expressed as a one-place decimal. Rounding the ratio to one decimal place, we get 3.8. Since the desirable range for women's cardiac risk ratio is between 3.0 and 4.5, the woman's ratio of 3.8 falls within this range, indicating a desirable level.

Therefore, the woman's cardiac risk ratio, expressed as a one-place decimal, is 3.8, which indicates a normal and desirable range for her cholesterol levels.

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Answer:  (x - 2) (x - 1）

Step-by-step explanation:

x²-3x+2

= (x - 2) (x - 1）

Answer:

La nota de Carolina es 15 puntos.

Step-by-step explanation:

Un sistema de ecuaciones lineales es un conjunto de ecuaciones lineales que tienen más de una incógnita, relacionadas mediante las ecuaciones.

En los sistemas de ecuaciones, se debe buscar los valores de las incógnitas.  Al reemplazar en las ecuaciones, deben dar la solución planteada.

En este caso se debe plantear un sistema de ecuaciones, donde las incógnitas son:

Ambas notas juntas es igual a 34 puntos. Expresado matemáticamente es:

x + y= 34

Se sabe que Carmen obtuvo 4 puntos más que Catalina. Esto es:

y= x + 4

Entonces el sistema de ecuaciones a resolver es:

[tex]\left \{ {{x+y=34} \atop {y=x+4}} \right.[/tex]

A través del método de sustitución debes despejar una de las incógnitas en una de las ecuaciones y sustituir su valor en la siguiente. En este caso, ya tienes despejada la incógnita y en la segunda ecuación. Por lo que sustituyes esta expresión en la primer ecuación:

x+ x+4=34

Resolviendo obtienes:

x + x= 34 - 4

2*x=30

x= 30÷ 2

x=15

Sustituyendo este valor en la segunda ecuación obtienes:

y= x+4

y= 15 +4

y= 19

Recordando que "x" representa la nota de Carolina e "y" la nota de Carmen, entonces la nota de Carolina es 15 puntos y la nota de Carmen es 19 puntos.

To test the claim that the sample is from a population with a standard deviation less than 0.0390 g, and using a 0.05 significance level and a parametric method, certain requirements must be satisfied. The requirements include:

A. Either or both of these conditions are satisfied:

A. the population is normally distributed or the sample size is greater than 30.

C. The sample is a simple random sample.

The normality requirement for a hypothesis test of a claim about a standard deviation differs from the normality requirement for a hypothesis test of a claim about a mean. For a hypothesis test of a claim about a standard deviation, it is not necessary for the population to be normally distributed. Instead, either the population should be normally distributed or the sample size should be sufficiently large (typically greater than 30) for the Central Limit Theorem to apply. In this case, the requirement is satisfied if either the population is normally distributed or the sample size is greater than 30. However, the sample should still be a simple random sample, which ensures that the observations are independent and representative of the population.

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The set of integers has the same cardinality as the countably infinite set A. The correct option is b.

A set is countably infinite if its elements can be put in one-to-one correspondence with the set of natural numbers (integers starting from 1). This means that we can establish a one-to-one function (bijection) between the countably infinite set A and the set of integers.

Options a, c, and d are not necessarily true.

Option a: There is no guarantee that there is a one-to-one function from the set A to the set of rational numbers. The set of rational numbers, also known as Q, is uncountably infinite, while A is only countably infinite.

Option c: It is possible to have a surjective function (onto) from the set of rational numbers to a countably infinite set. For example, a function that maps every rational number to its numerator can be surjective onto the set of integers.

Option d: The open interval (0, 1) has a higher cardinality (uncountable) than a countably infinite set. The interval (0, 1) contains an uncountably infinite number of real numbers between 0 and 1, whereas A is countably infinite.

The correct option is b.

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The sample data does support the company's suspicion that the number of claims is exceeding the past average.

The company can use a "One-Sample T-Test" to determine if the sample data supports its suspicion. Under the null hypothesis, it is assumed that the mean number of claims per major city is still the previously established population mean of 70.

We can then calculate the test statistic:

T-test statistic = (71.8-70)/(8.9/√100)

= 1.8/0.8931

= 2.02

We can then compare this statistic to the critical value at an alpha level of 0.05. With n=100, and a two-sided test, this value is 1.645.

Because 2.02 > 1.645, we can reject the null hypothesis that the mean number of claims is still 70.

Therefore, the sample data does support the company's suspicion that the number of claims is exceeding the past average.

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Hi army! I found the answer!

Answer:

F. An 18-month loan with an annual simple interest rate of 4.75%

Step-by-step explanation:

I just used a credit card payoff calculator to solve this problem. You can use that calculator to solve other problems like this too!

Also, stream BTS Film Out for clear skin and good grades ;)

Have a great day!

Answer:

20.

Step-by-step explanation:

x^2 = 25^2 - 15^2

x^2 = 400

x = 20

Answer:

A is 10 dollar cheaper than B

Step-by-step explanation:

A : 40 dollars plus 45*2=90

90+40= 130 dollars

B:100 dollars 45*1=45

100+45= 145 dollars

Answer:

A is 15$ cheaper than b

Step-by-step explanation:

A= 40+(45*2) = 40+90=130$

b= 100+45 =145$

Let 'n' be the number of sides of a regular polygon, in which the measure of 1 interior angle is 11 times the measure of the adjacent exterior angle.

The formula to find the measure of an interior angle of a polygon is 180°(n - 2) / n. The formula to find the measure of an exterior angle of a polygon is 360° / n. We can use these formulas to form an equation that will help us find 'n'.According to the question, the measure of 1 interior angle is 11 times the measure of the adjacent exterior angle. Mathematically, we can express this as:180°(n - 2) / n = 11(360° / n - 180°(n - 2) / n)Simplifying this equation, we get:180°(n - 2) / n = 11(180° / n)Multiplying both sides by 'n', we get:180°(n - 2) = 11(180°)Simplifying further, we get:n - 2 = 11n = 13Therefore, the number of sides of the regular polygon is 13.Answer: 13

Let's denote the measure of the interior angle as x and the measure of the adjacent exterior angle as y. According to the given information, we have the equation:

x = 11y

In a regular polygon, all interior angles are congruent (have the same measure), and all exterior angles are congruent as well. The sum of the interior and exterior angles adjacent to each other forms a straight line, which measures 180 degrees. Therefore, we can write the equation:

x + y = 180

Substituting x = 11y into the equation, we get:

11y + y = 180

Combining like terms:

12y = 180

Dividing both sides by 12:

y = 15

Now, we can substitute this value back into the equation x = 11y:

x = 11 * 15 = 165

So, the measure of each interior angle is 165 degrees, and the measure of each exterior angle is 15 degrees.

In a regular polygon, the sum of the interior angles can be found using the formula:

Sum of interior angles = (n - 2) * 180

where n is the number of sides of the polygon.

Since each interior angle measures 165 degrees, we can set up the equation:

165n = (n - 2) * 180

Expanding the right side:

165n = 180n - 360

Subtracting 180n from both sides:

-15n = -360

Dividing both sides by -15:

n = 2

Therefore, the regular polygon has 24 sides.

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Let the measure of the adjacent exterior angle be x. Then the measure of the interior angle is 11x.

The number of sides of the regular polygon is given by: [tex]n = 3,960^{\circ} / x[/tex].

Since the polygon is regular, all interior angles and exterior angles have the same measure. Therefore, we can say that the sum of all the exterior angles of a polygon equals 360°.

This gives us an equation:

x + 11x + x + 11x + ...

= 360°,

where there are n terms in the sequence (since there are n sides in the polygon).

Simplifying this equation, we get:

[tex]360^{\circ}= nx[/tex]

Therefore, the number of sides of the polygon is:

[tex]n = 360^{\circ} / x[/tex]

Since the polygon is regular, each exterior angle must be congruent to x. Since the sum of all exterior angles in a polygon equals 360°, we can say that the measure of each exterior angle is:

[tex]x = 360^{\circ} / n[/tex]

Therefore, the measure of each interior angle is:

[tex]11x = 11(360^{\circ} / n)[/tex]

[tex]= 3,960^{\circ} / n[/tex]

Therefore, the number of sides of the regular polygon is given by:

[tex]n = 3,960^{\circ} / x[/tex]

Answer: The number of sides of the regular polygon is given by: [tex]n = 3,960^{\circ} / x[/tex].

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There are 12 identical marbles in a bag, and Suzy is going to select 9 marbles from the bag at random.

The problem asks how many possible outcomes there are.

To begin with, we need to understand the concept of combinations. A combination is a way to select a subset of objects from a larger set, without regard to the order of the objects. For example, if we have four marbles (A, B, C, and D), there are six possible combinations of two marbles: AB, AC, AD, BC, BD, and CD.

In this problem, we have 12 marbles and we are choosing 9 of them. To find the total number of combinations, we can use the formula for combinations:

nCr = n! / r!(n-r)!

where n is the total number of objects, r is the number of objects we are choosing, and ! represents factorial (i.e. multiplying a number by all the positive integers less than it).

So, plugging in our numbers:

12C9 = 12! / 9!(12-9)! = 12! / 9!3! = (121110) / (321) = 220

Therefore, there are 220 possible outcomes if Suzy selects 9 marbles at random from a bag containing 12 identical marbles.

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The mean of the data set is approximately 1.57 meters. The standard deviation of the data set is approximately 0.0968 meters, indicating the average deviation of data points from the mean.

To compute the mean and standard deviation of the data set, we'll use the following formulas:

Mean (μ) = (sum of all data values) / (total number of data values)

Standard Deviation (σ) = sqrt((sum of squared differences from the mean) / (total number of data values))

Let's calculate the mean and standard deviation for the given data set:

Data set: 1.63, 1.62, 1.61, 1.62, 1.39, 1.55

Mean (μ) = (1.63 + 1.62 + 1.61 + 1.62 + 1.39 + 1.55) / 6 = 9.42 / 6 ≈ 1.57

Next, we calculate the sum of squared differences from the mean:

(1.63 - 1.57)^2 + (1.62 - 1.57)^2 + (1.61 - 1.57)^2 + (1.62 - 1.57)^2 + (1.39 - 1.57)^2 + (1.55 - 1.57)^2 ≈ 0.0666

Finally, we calculate the standard deviation:

Standard Deviation (σ) = sqrt(0.0666 / 6) ≈ 0.0968

Therefore, the mean of the data set is approximately 1.57 meters and the standard deviation is approximately 0.0968 meters.

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Answer:

24

Step-by-step explanation:

[tex]79-7=72[/tex]

[tex]\frac{72}{3} =24[/tex]

Answer:

B

Step-by-step explanation:

To find the volume of the solid enclosed by the cone and the sphere, we can use cylindrical coordinates. By expressing the equations in cylindrical coordinates and setting up the appropriate limits, we can integrate to calculate the volume of the solid.

In cylindrical coordinates, we have x = r cos θ, y = r sin θ, and z = z.
The equation of the cone, z = x^2y^2, can be expressed in cylindrical coordinates as z = (r^2 cos^2 θ)(r^2 sin^2 θ) = r^4 cos^2 θ sin^2 θ.The equation of the sphere, x^2 + y^2 + z^2 = 162, can be written in cylindrical coordinates as r^2 + z^2 = 162.
To find the limits for integration, we need to determine the intersection points of the cone and the sphere. Setting the equations equal to each other, we have r^4 cos^2 θ sin^2 θ = 162 - r^2.
Simplifying, we get r^4 cos^2 θ sin^2 θ + r^2 - 162 = 0.
We can solve this equation to find the values of r at the intersection points.
Once we have the limits for r, θ, and z, we can set up the triple integral to calculate the volume enclosed by the cone and the sphere.
By evaluating the integral with the appropriate limits, we can find the volume of the solid enclosed by the given cone and sphere equations using cylindrical coordinates.

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The magnitude of the resultant force, given two forces represented by vectors a and b with magnitudes 5.3 N and 6.9 N, respectively, and an angle of 60 degrees between them, can be approximated to 8.5 N.

To find the magnitude of the resultant force, we can use the law of cosines. According to the law of cosines, the magnitude of the resultant force (Ir) can be calculated using the formula: [tex](Ir)^2 = |a|^2 + |b|^2[/tex] - [tex]2|a||b|cos(theta)[/tex], where |a| and |b| represent the magnitudes of vectors a and b, and theta is the angle between them.

Given that |a| = 5.3 N, |b| = 6.9 N, and theta = 60 degrees, we can substitute these values into the formula and solve for Ir. Plugging in the values, we have [tex]Ir^2 = (5.3)^2 + (6.9)^2[/tex]- 2(5.3)(6.9)cos(60).

Simplifying the equation, we get [tex]Ir^2[/tex] = 28.09 + 47.61 - 36.66. Combining the terms, we have [tex]Ir^2[/tex] = 39.04.

Taking the square root of both sides, we find Ir ≈ √39.04 ≈ 6.2 N. Rounded to one decimal place, the magnitude of the resultant force is approximately 8.5 N.

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Answer: Cup-$14, Saucer-$6.5

Step-by-step explanation:

Given

Cup and saucer costs $20.5

A cup and two saucer costs $27

Assume the price of cup and saucer are x and y

So, we can write

[tex]\Rightarrow x+y=20.5\quad \ldots(i)\\\\\Rightarrow x+2y=27\quad \ldots(ii)[/tex]

Solving [tex](i)\ \text{and}\ (ii)[/tex] we get

[tex]x=\$\ 14, y=\$\ 6.5[/tex]

Thus, the cost of the cup is $14 and that of the saucer is $6.5

Given data: Outcome 0 1 2 Probability 0.26 0.35 0.39a)

The mean of the distribution is given by: Mean = $\sum x P(x)$The distribution can be represented as follows:

Outcome(x) Probability(P(x)) x P(x) 0 0.26 0 1 0.35 0.35 2 0.39 0.78 $\sum x P(x)=0+0.35+0.78=1.13$

Therefore, Mean = $\frac {\sum xP(x)}{n}=\frac {1.13}{3} =0.3767 ≈ 0.377$ (rounded to three decimal places)

b) The formula for standard deviation is given as: $$\sigma =\sqrt{\sum(x-\mu) ^2P(x)} $$where $\mu$ is the mean of the distribution

Substituting the given values in the above formula, we get:

\begin{align*}\sigma &=\sqrt{\sum(x-\mu) ^2P(x)} \\\sigma &=\sqrt{\sum(x-0.377) ^2P(x)} \end{align*} Outcome(x) Probability(P(x)) $x-μ$ $P(x)(x-μ)^2$ 0 0.26 -0.37746 0.03665 1 0.35 -0.02746 0.00076 2 0.39 1.01254 0.15709 Total 1 0.19450$$\sigma =\sqrt {0.1945}=0.441 ≈ 0.441$$

Therefore, the standard deviation of the distribution is approximately equal to 0.441 (rounded to three decimal places).

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Answer:

how many colors are there and how many of each color?

Step-by-step explanation:

Probability of an event is the measurement of its chance of occurrence.

Suppose that there are finite elementary events in the sample space of the considered random experiment, and all are equally likely.

Then, suppose we want to find the probability of an event E.

Then, its probability is given as

[tex]P(E) = \dfrac{\text{Number of favorable cases}}{\text{Number of total cases}} = \dfrac{n(E)}{n(S)}[/tex]

where favorable cases are those elementary events who belong to E, and total cases are the size of the sample space.

Percent counts the number compared to 100 whereas probability counts it compare to 1.

So, if we have a%, that means for each 100, there are 'a' parts. If we divide each of them with 100, we get:

For each 1, there are a/100 parts.

Thus, 50% = 50/100 = 0.50 (in probability)

The probability of selecting an orange candy depends on how many candies are there.

If its the only candy, and at least one candy must be chosen, then its probability is 1 or say in percent it is 100% because then n(E) = 1 and n(S) = 1 where

Thus, the probability of selecting an orange candy depends on how many candies are there. If its the only candy, and at least one candy must be chosen, then its probability is 1 or say in percent it is 100%

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The first 5 terms of the arithmetic sequence are: 5, 9, 13, 17, 21.

Here we have an arithmetic sequence, such that the recursive formula is:

[tex]a_n = a_{n- 1} + 4[/tex]

Such that:

a₁ = 5.

Using that formula we can get the next 4 terms. For the second term we use n = 2, so we get:

[tex]a_2 = a_1 + 4 = 5 + 4 = 9[/tex]

For the third term we have:

[tex]a_3 = a_2 + 4 = 9 + 4 = 13[/tex]

For the fourth term we have:

[tex]a_4 = a_3 + 4 = 13 + 4 = 17[/tex]

For the fifth term we have:

[tex]a_5 = a_4 + 4 = 17 + 4 = 21[/tex]

Then the first 5 terms of the sequence are:

5, 9, 13, 17, 21.

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Answer: Y=30x+120

Step-by-step explanation

The x stands for each week, the m stands for the money being added or subtracted. That is why the m and x are being multiplied together in the equation. The b stands for how much the person, Mike, already has. Hope this helps

(i) Express the complex number in the form a+bi:ei (it) bg

The complex number ei(it)bg can be expressed in the form a+bi, where a is the real part and b is the imaginary part of the complex number. In this case, we have:

ei(it)bg = cos(bg) + i sin(bg)

The real part of the complex number is cos(bg) and the imaginary part is sin(bg). Therefore, we can express the complex number as:

ei(it)bg = cos(bg) + i sin(bg)

(ii) Express the complex number in the form a+bi: 1+²

To express the complex number 1+² in the form a+bi, we need to recognize that i² = -1. Therefore, we have:

1+² = 1 - 1 = 0

Since the imaginary part of the complex number is zero, we can express it as:

1+² = 0 + i0

(iii) Express the complex number in the form a+bi: Sen(ci)

To express the complex number Sen(ci) in the form a+bi, we need to use the formula:

Sen(ci) = sin(c) cosh(i) + cos(c) sinh(i)

where sinh(i) = i sin(1) and cosh(i) = cos(1). Therefore, we have:

Sen(ci) = sin(c) cosh(i) + cos(c) sinh(i)
= sin(c) cos(1) + cos(c) i sin(1)

(iv) Express the complex number in the form a+bi: e^zbg(-1)

To express the complex number e^zbg(-1) in the form a+bi, we need to recognize that zbg(-1) is a complex number. Therefore, we have:

e^zbg(-1) = e^(a+bi)
= e^a e^(bi)
= e^a (cos(b) + i sin(b))

where a is the real part of zbg(-1) and b is the imaginary part. Therefore, we can express the complex number as:

e^zbg(-1) = e^a (cos(b) + i sin(b))

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Answer:

Step-by-step explanation:

4x - 12 = 11 - 3x

Bringing like terms on one side

4x + 3x = 11 + 12

7x = 23

x = 23/7