Please i will thank you and give the best answer brainiest also 5 stars plssssss

There are 80 possible combinations of socks and t-shirts that can be selected.

To calculate the number of possible combinations, we multiply the number of options for socks (8) by the number of options for t-shirts (10). This is based on the fundamental principle of counting, which states that when faced with multiple independent choices, the total number of combinations is found by multiplying the number of options for each choice.

In this case, you have 8 different colors of sock pairs and 10 different colors of t-shirts. For every color of socks, you have 10 different t-shirt options. By multiplying the number of sock options (8) by the number of t-shirt options (10), we find that there are a total of 80 possible combinations.

Therefore, you have a total of 80 possible combinations of socks and t-shirts that you can select.

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Answer:

3(4)^2+7(4)(3)-6(3)^2

= 78

These six different iterated integrals represent the same volume integral but with different orders of integration.

To express the integral ∭ef(x,y,z)dv as an iterated integral in six different ways, where e is the solid bounded by

z=0, x=0, z=y-4x,

and y=12, we first determine the limits of integration for each variable. The solid is bounded by the following planes:

z = 0 (lower limit for z)
x = 0 (lower limit for x)
z = y - 4x (upper limit for z)
y = 12 (upper limit for y)

Now, we can write the iterated integral in six different orders of integration:

dx dy dz:
∭ef(x,y,z)dv = ∫(0 to 12)∫(0 to y/4)∫(0 to y-4x) ef(x,y,z) dz dx dy

dx dz dy:
∭ef(x,y,z)dv = ∫(0 to 12)∫(0 to y-4x)∫(0 to y/4) ef(x,y,z) dx dz dy

dy dx dz:
∭ef(x,y,z)dv = ∫(0 to 12)∫(0 to y/4)∫(0 to y-4x) ef(x,y,z) dz dy dx

dy dz dx:
∭ef(x,y,z)dv = ∫(0 to 12)∫(0 to y-4x)∫(0 to y/4) ef(x,y,z) dy dz dx

dz dx dy:
∭ef(x,y,z)dv = ∫(0 to 12)∫(0 to y/4)∫(0 to y-4x) ef(x,y,z) dx dy dz

dz dy dx:
∭ef(x,y,z)dv = ∫(0 to 12)∫(0 to y-4x)∫(0 to y/4) ef(x,y,z) dy dx dz

These six different iterated integrals represent the same volume integral but with different orders of integration.

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The statement "An equilateral triangle is a special type of isosceles triangle" is true.

An equilateral triangle is a triangle with all three sides and angles equal. Since an isosceles triangle is a triangle with at least two sides and angles equal, an equilateral triangle, with all three sides and angles equal, fulfills the condition of being an isosceles triangle. Therefore, an equilateral triangle can be considered a special case of an isosceles triangle.

However, the other statements are not true:

An isosceles triangle cannot have all different side lengths. In an isosceles triangle, at least two sides must have the same length.

A triangle cannot have two obtuse angles. The sum of the angles in a triangle is always 180 degrees, so if one angle is obtuse (greater than 90 degrees), the sum of the other two angles must be less than 90 degrees, making them acute or right angles.

An equilateral triangle cannot have different side lengths. By definition, an equilateral triangle has all three sides of equal length.

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Correct Question:

Which of these statements is true? An isosceles triangle can have all different side lengths. A triangle could have two obtuse angles. An equilateral triangle can have different side lengths, as long as the angles are all the same. An equilateral triangle is a special type of isosceles triangle.

Answer:

B. 3x-3y

Step-by-step explanation:

Answer:

(A) 3x - 4y

Step-by-step explanation:

SOLUTION:

Answer:

48.33%

Step-by-step explanation:

if you ever have problems with percents

you should probably use calculator soup :)

have a nice day!

the probability that the diameter of a elected bearing is greater than 85 millimeter P(diameter > 85) = P(z > (85-81)/4) = P(z > 1) = 0.1587

The diameter of ball bearings is normally distributed, with a mean of 81 millimeters and a variance of 16.

To calculate the probability that a selected bearing has a diameter greater than 85 millimeters, we first calculate the z-score for 85 millimeters.

We subtract 81 from 85 to get 4, and divide by 4 to get 1 for the z-score.

We the look up the probability for a value of 1 in the z-table, which is 0.1587.

This is the probability that a selected bearing has a diameter greater than 85 millimeters, rounded to four decimal places.

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Francisco teaches group lessons to all of the violin and viola students at the Scott School of Music. All of his classes have the same number of students.

What is the greatest number of students he can have in each class We can determine the greatest number of students that Francisco can teach in each class by finding the greatest common factor (GCF) of the total number of violin and viola students at the school.

Suppose there are a total of m violin students and n viola students. Then the total number of students at the school is m + n. Let's find the GCF of m and n in order to determine the greatest number of students Francisco can teach in each class.

GCF of m and n will give us the number of students that can be divided equally among all the classes. Following the steps to find GCF :

Step 1 :List down all factors of m and n

Step 2 :Identify the common factors of both m and n

Step 3 :Find the largest common factor m and n. We find the factors of m and n below: Suppose m = 36 and n = 72.Therefore, the greatest common factor of m and n is 36.So, the greatest number of students that Francisco can teach in each class is 36.

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Answer: the answer is A

Step-by-step explanation: because it says "discount" which means your subtracting and you subtract 272-15% and you get 231.20.

81.06% of people in the 25-34 age group spend less than $2,500 on reading and entertainment per year.

To find the z-score for a person who spends $2,500 on reading and entertainment in the 25-34 age group, we can use the formula:

\(z = \frac{(x - μ) }{σ} \)

Where: x = $2,500 μ = $2,080 σ = $480 Substituting these values, we get:

\(z = \frac{ (2500 - 2080)}{ 48} \\ z = 0.88\)

This means that a person who spends 2,500 on reading and entertainment is 0.88 standard deviations above the mean. To find the proportion of people who spend less than 2,500 on reading and entertainment, we can use a standard normal table or calculator to find the area to the left of z = 0.88. The area is 0.8106. Therefore, approximately 81.06% of people in the 25-34 age group spend less than $2,500 on reading and entertainment per year.

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Considering the curve x³y + y³ = sin y - x, the final i is;\(\frac{dy}{dx} = \frac{-2x}{3y^2 - cos(y)} \div (x^3 - cos(y))\)

Implicit differentiation is a technique used to differentiate equations that are not explicitly expressed in terms of one variable. It is particularly useful when you have an equation that defines a relationship between two or more variables, and you want to find the derivatives of those variables with respect to each other.

To find dy/dx for the curve x³y + y³ = sin y - x², the implicit differentiation will be used which involves differentiating both sides of the equation with respect to x.

It is expressed as follows;

\(\frac{d}{dx} x^3y + \frac{d}{dx} y^3 = \frac{d}{dx} sin(y) - \frac{d}{dx} x^2\)

Then we'll differentiate each term:

For the first term, x^3y, we'll use the product rule

\(\frac{d}{dx} x^3y = 3x^2y + x^3 \frac{dy}{dx}\)

For the second term, y^3, we'll also use the chain rule

\(\frac{d}{dx} y^3 = 3y^2 \frac{dy}{dx}\)

For the third term, sin(y), we'll again use the chain rule

\(\frac{d}{dx} sin(y) = cos(y) \frac{dy}{dx}\)

For the fourth term, x², we'll use the power rule

\(\frac{d}{dx} x^2 = 2x\)

Substituting these expressions back into the original equation, we get:

3x²y + x³(dy/dx) + 3y²(dy/dx) = cos(y)(dy/dx) - 2x

Simplifying the equation:3x²y + x³(dy/dx) + 3y²(dy/dx) - cos(y)(dy/dx) = -2x

Dividing both sides by 3y² - cos(y), we get:(x³ - cos(y))(dy/dx) = -2x / (3y² - cos(y))

Hence, the final answer is;\(\frac{dy}{dx} = \frac{-2x}{3y^2 - cos(y)} \div (x^3 - cos(y))\)

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Answer:

3x+13

pls give me brainliest :D ty

Step-by-step explanation:

2x+x+9+4 (remove brackets and add)

3x+13

Answer:

x = 60

Step-by-step explanation:

Remark

The two angles that are equal are remote interior angles. They add to 120

Step one

y + y = 120               Combine

2y = 120                  Divide by 2

y  = 120/2

y = 60

Step Two

Find the angle vertically opposite to the 60 degree angle near the center on the left hand triangle.

The vertically opposite angle is 60. If you know one vertically opposite angle, you know the other one.

Step Three

State the value of the angle that is vertically opposite x.

The angles value is 60o. You are working with an isosceles triangle according to the markings on the triangle.

Step Four

State the value of x

The value of x = 60 degrees. It is equal to the angle described in step three.

Answer:

domain = E

range = (-&,&)

Step-by-step explanation: solved by graphing calculator

Answer:

$10t=m

Step-by-step explanation:

If for each hour is $10.

She would earn the number of  hours times $10.

Example: She did babysitting for 4 hours this weekend. The equation is $10(4)=m or $10 x 4 = m.  m=40

Answer:

x = -6

Step-by-step explanation:

All three angles are equal, so all three sides are equal, making this an equilateral triangle

5x+10 = 2x-8

Subtract 2x from each side

5x-2x +10 = 2x-8-2x

3x+10 = -8

Subtract 10 from each side

3x+10-10 = -8-10

3x = -18

Divide by 3

3x/3 = -18/-3

x = -6

Every eigenvalue of K has absolute value 1, as required. To prove that ||Kv||2 = ||v||2 for all v ∈ R n , we start by writing out the norms in terms of the dot product:

||Kv||2 = (Kv)⋅(Kv) = v⋅(K⊤Kv) (since K is orthogonal, K⊤K = I)

= v⋅v = ||v||2

So, ||Kv||2 = ||v||2 for all v ∈ R n , as required.

Now, let λ be an eigenvalue of K, with eigenvector v. Then we have:

Kv = λv

Taking norms of both sides, we have:

||Kv|| = |λ| ||v||

But, from the previous result, we know that ||Kv|| = ||v||. Therefore:

||v|| = |λ| ||v||

Since ||v|| is nonzero (by definition of an eigenvector), we can cancel it from both sides to get:

1 = |λ|

So, every eigenvalue of K has absolute value 1, as required.

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Answer:

do you have more info so I can help

Answer:

1. -2

2.-10

3. 16

4. -29

5. 3

6. 11

7. 3

8. -4

9. 14

10. 25

if the bacterial is doubling, that means the growth rate is 100%, or 100% plus whatever it was before, so

\(\textit{Periodic/Cyclical Exponential Growth} \\\\ A=P(1 + r)^{\frac{t}{c}}\qquad \begin{cases} A=\textit{current amount}\\ P=\textit{initial amount}\dotfill &1500\\ r=rate\to 100\%\to \frac{100}{100}\dotfill &1\\ t=minutes\\ c=period\dotfill &30 \end{cases} \\\\\\ A=1500(1 + 1)^{\frac{t}{30}}\implies A=1500(2)^{\frac{t}{30}} \\\\\\ \stackrel{\textit{after two hours, or 120 minutes, t = 120}~\hfill }{A=1500(2)^{\frac{120}{30}}\implies A=1500(2)^4\implies A=24000}\)

\(~\dotfill\\\\ \stackrel{\textit{current amount being 12000}}{12000=1500(2)^{\frac{t}{30}}}\implies \cfrac{12000}{1500}=(2)^{\frac{t}{30}}\implies 8=(2)^{\frac{t}{30}}\implies 8=\sqrt[30]{2^t} \\\\\\ 8^{30}=2^t\implies (2^3)^{30}=2^t\implies 2^{90}=2^t\implies 90=t\)

Answer:

1/3, 3/5, 5/6

Step-by-step explanation:

There are multiple ways to solve this. The most simple one in my opinion is to put them into decimal form.

3/5= .6

5/6= .83333

1/3= .333333

In this form it is much easier to put them from least to greatest.

1/3, 3/5, 5/6,

Step-by-step explanation:

(gof)(x) is basically g(f(x))

= 4 × (3x - 1)² + 9

= 4 × (9x² - 6x + 1) + 9

= 36x² - 24x + 4 + 9

= 36x² - 24x + 13

The approximately 99.38% of the data falls between the values 120 and 280.

To find the percentage of data that falls between the values 120 and 280, we need to find the standard scores (z-scores) that correspond to these values and use a standard normal table to find the proportion of data within this range.

First, we'll find the z-score for 120:

z = (120 - 200) / 40 = -2.5

Similarly, the z-score for 280 is:

z = (280 - 200) / 40 = 2.5

Now we can use a standard normal table to find the proportion of data between -2.5 and 2.5 standard deviations from the mean. This proportion is approximately 0.9938 or 99.38%.

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Answer:

i need directions

Step-by-step explanation:

Answer:

C

Step-by-step explanation:

amd merry Christmas to you too

Answer:

its C.

Step-by-step explanation:

Answer:

1) Lower bound = 23.5 cm

Upper bound = 24.5 cm

2) I disagree

3) 7.88

4) 2.32

5) Ahmed = 60 kg

Jasim = 20 kg

Dalal = 100 kg

Step-by-step explanation:

1) diameter = 24 cm was rounded up to the nearest cm.

Now, usually, we round up 0.5 to the next whole number. This means that, the actual diameter is;

23.5 ≤ D < 24.5

Thus;

Lower bound = 23.5 cm

Upper bound = 24.5 cm

2) If you weigh 57g,converting to kg is 0.57 kg.

Now, this does not fall in between 56.5kg and 57.5kg given.

Thus, I disagree that your weight could be anything between 56.5kg and 57.5kg .

3) 7.875 approximated to the nearest two decimal place = 7.88

4) 2.3242900000 to the nearest 2 decimal place = 2.32

5) 180 kd shared between ahmed ,jasim and Dalal in the ratio of 3:1:5.

Total part of ratio = 3 + 1 + 5 = 9

Their respective shares are;

Ahmed = 3/9 × 180 = 60 kg

Jasim = 1/9 × 180 = 20 kg

Dalal = 5/9 × 180 = 100 kg

To evaluate the given expressions involving complex numbers, we will use the properties and rules of complex number operations, such as addition, subtraction, multiplication, and division.

To evaluate 1/i + 4/i³, we can simplify the denominators by using the property i² = -1. This gives us 1/i + 4/(-i) = -i + (-4i) = -5i. Similarly, for 1/i¹¹ - 1/i²¹, we can simplify the denominators by using the property i² = -1. This gives us 1/(-i) - 1/(-1) = -i - 1 = -1 - i.

To evaluate i⁷ (1+i²), we can simplify i⁷ as i⁴ × i³. Since i⁴ = 1 and i³ = -i, we have 1 × (-i) = -i. For i⁻³ + 5i⁷, we can simplify i⁻³ as 1/i³. Using the property i³ = -i, we get 1/(-i) + 5i⁷ = -i + 5(-i) = -6i. Evaluating (2+i)(4-2i)/(1+2i), we can expand the numerator as 8 + 4i - 4i + 2i² and simplify i² as -1. This gives us 8 + 2(-1) = 6. Similarly, for (1+3i)(2-4i)/(1+2i), we expand the numerator as 2 + 6i - 4i - 12i², and simplify i² as -1. This gives us 2 + 2i - 12(-1) = 14 + 2i. To evaluate (3+i)²/(1+2i), we can expand the numerator as 9 + 6i + i² and simplify i² as -1. This gives us 9 + 6i - 1 = 8 + 6i.

Evaluating (3+2i/2+1) + (4+3i), we first simplify the division 3+2i/2+1 as (3+2i)/(3). This gives us 1 + (2/3)i + 4 + 3i = 5 + (2/3)i + 3i = 5 + (2/3+3)i = 5 + (11/3)i. For 4+i/i + 3-4i/1-i, we simplify the divisions as (4+i)/i + (3-4i)/(1-i). Using the properties of complex conjugate, we can multiply the numerator and denominator of the second fraction by the conjugate of the denominator, which is 1+i. This gives us (4+i)(-i)/(i)(-i) + (3-4i)(1+i)/(1-i)(1+i). Simplifying further, we get (-4-i)/(1) + (3-4i+3i-4)/(2) = -4-i + (-1+i)/2 = (-5-2i)/2. Lastly, for 3+2i/1+2i - 2-3i/3+i, we simplify each fraction individually, which gives us [(3+2i)(1-2i)]/[(1+2i)(.

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