A cube has a surface area of 96cm². Find the side lenght of x, of the cube.
If someone know hat to do it can you show your steps please ​

Answer:

My best guess is 24

Step-by-step explanation:

idk if this is right or not, but the triangle could be a 3 4 5 right triangle.

3 x 2 = 6

4 x 2 = 8

5 x 2 = 10.

6 + 8 + 10 = 24

this is the best answer i got. Don't know if it's going to help...

Based on this data, for every inch in height, the arm span increases by 1.1 inches.

Here, we have,

I put the height of people on the x-axis because this is what I am trying to correlate the arm span to. I put the arm span on the y-axis because it is dependent on height.

I used point (60,61) and (70,72) to draw the line of best fit and to get the equation. First, to get the slope I would use the slope formula of m = 72-61/70-60 or 11/10 to get a slope of approximately 1.1. Then I used (60,61) to get the rest of the equation by plugging it in: y-61 = 1.1(x -60). This becomes y-61 = 1.1x - 66. Add 61 to both sides and the final equation is y = 1.1x – 5.

The slope represents the rate of change arm span based on height. The y intercept is the arm span.

Using points (66,68) and points (70,72) I plug each into the equation y=1.1x-5 to figure each out based on the difference from the actual points and get .4 for (66,68) and 0 for point (70,72) so I would say, based on .4 and 0 for these two points that this is a good line of best fit.

Based on this data, for every inch in height, the arm span increases by 1.1 inches.

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complete question:

There are many measurements of the human body that are positively correlated. For example, the length of one's forearm (measured from elbow to wrist) is approximately the same length as the foot (measured from heel to toe). They are positively correlated because, as one measurement increases, so does the other measurement.

The value of the correlation coefficient is 0.34. Thus, the option (B) 0.34 is the correct answer.

Given that a researcher measures the relationship between two variables, X and Y.

If SS(XY) = 340 and SS(X)SS(Y) = 320,000, then we need to calculate the value of the correlation coefficient.

Correlation coefficient:

The correlation coefficient is a statistical measure that determines the degree of association between two variables.

It is denoted by the symbol ‘r’.

The value of the correlation coefficient lies between -1 and +1, where -1 indicates a negative correlation, +1 indicates a positive correlation, and 0 indicates no correlation.

How to calculate correlation coefficient?

The formula to calculate the correlation coefficient is as follows:

r = SS(XY)/√[SS(X)SS(Y)]

Now, substitute the given values, we get:

r = 340/√[320000]r = 0.34

Therefore, the value of the correlation coefficient is 0.34. Thus, the option (B) 0.34 is the correct answer.

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Hello!

To solve for the y-values in the table:

 \(\hookrightarrow \text{ Must plug in the corresponding x's value into the equation}\)

             \(y = 2(-2) + 3 = -4 + 3 = -1\)

             \(y = 2(0) + 3 =3\)

            \(y = 2(1) +3=5\)

           \(y = 2(3) + 3=6 + 3=9\)

Hope that helps!

Answer:

-8n+7

Step-by-step explanation:

Answer:

-8n+7

Step-by-step explanation:

Answer:

Yes it is a polynomial.

Step-by-step explanation:

3x² - 4ab + 2 is quadratic polynomial, since it has the highest power / degree of 2.

Note : -

Types of polynomials :

Answer:

\(4394\)

Step-by-step explanation:

the bird is

Answer:

x = 3.5

Step-by-step explanation:

\(\frac{4}{7}\) = \(\frac{2}{x}\)

4x = 14

x = 3.5

Answer:

c) $5,350

Step-by-step explanation:

The difference between the commission and an attorney

Option C is correct

Answer:

C

Step-by-step explanation:

The total sale of the bedding set including 5% sale tax is $69.66

An equation is an expression that shows the relationship between two or more variables and numbers.

Discount = 20% of 86 = 0.2 * 86 = 17.2

Selling price of bed = 5% of 17.2 = 0.05 * 17.2 = 0.86

Total sale = 86 - 17.2 + 0.86 = 69.66

The total sale of the bedding set including 5% sale tax is $69.66

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Answer:

5.6ft squared

Step-by-step explanation:

4x7 = 28 divided by 5 which is 5.6

Answer:

-8

Step-by-step explanation:

you know, all you have to do in such a case is simply taking the given -2 and put it, where there is "x" in the function expression and then calculate this. if necessary with a calculator.

2×2×x with x=-2 is

2×2×-2 = -8

Answer:

- 8

Step-by-step explanation:

f ( x ) = 2 . 2 x

f ( - 2 )

= 2 . 2 ( - 2 )

= 2 x 2 x ( - 2 )

= - 8

To find an orthonormal basis for W, given that the vectors v1 [3, -5, 6] and v2 [3/2, 9/2, 3] form an orthogonal basis, we can normalize the vectors by dividing each vector by its length. Hence these two vectors, u1, and u2, will form an orthonormal basis for W.

To obtain an orthonormal basis, we need to normalize the given vectors. First, calculate the length or magnitude of each vector. For v1, the length is

√(3^2 + (-5)^2 + 6^2) = √(9 + 25 + 36) = √70.

For v2, the length is

√[(3/2)^2 + (9/2)^2 + 3^2] = √[9/4 + 81/4 + 9] = √(99/4).

Next, divide each vector by its respective length to normalize them. The normalized vectors will form an orthonormal basis for W. For v1, divide it by √70, and for v2, divide it by √(99/4).

The resulting orthonormal basis for W will be:

u1 = [3/√70, -5/√70, 6/√70]

u2 = [3/√(99/4), 9/√(99/4), 3/√(99/4)]

These two vectors, u1, and u2, will form an orthonormal basis for W.

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The indefinite integral of 3x cos(x^2) dx is 3/2 sin(x^2) + C.

Let's start by using integration by substitution:

Let u = x^2, then du/dx = 2x and dx = du/(2x)

So, we have:

∫ 3x cos(x^2) dx = ∫ 3/2 cos(x^2) d(x^2)

Using the power rule of integration, we have:

= 3/2 ∫ cos(u) du

= 3/2 sin(u) + C

Substituting back x^2 for u, we have:

= 3/2 sin(x^2) + C

Therefore, the indefinite integral of 3x cos(x^2) dx is 3/2 sin(x^2) + C.

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Step-by-step explanation:

i don't know sorry i didnt understand

Answer:

sorry bro......sis

Step-by-step explanation:

don,t know its answer

The probability that the person selected drives a truck exercises four or more times per week is 0.633.

The probability of an event occurring is known as probability. This might range from an occurrence being impossible to have a chance to happen to be certain for sure. Probability is measured mathematically on a scale from 0 to 1.

Given,

The person selected who drives a truck exercises four or more times per week.

P(The person selected drives a truck and exercises four or more times per week)

= 36/120 + 52/120 - 12/120

= 76/120

Simplifying,

= 19/30

= 0.633(approximately)

The probability that the person selected drives a truck exercises four or more times per week is 0.633.

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Answer:

b) 8y

Step-by-step explanation:

Product means multiplication so, 8y

a) incorrect

8 + y is addition

b) correct

8y is multiplication

c) incorrect

8 - y is subtraction

d) incorrect

8/y is division

The perimeter measures around 36 metre.

The perimeter refers to the area surrounding an object. For instance, your house has a fenced-in yard. The perimeter is the length of the fence. If the yard is 50 feet by 50 feet, your fence is 200 feet long.

While 12.74 rounds up to 13, 5.45 rounds down to 5. Recatangle created a total of four sides, two of which are identical in length to the other two (which is a poor way to explain it). There are two sides that are 13 inches long and two sides that are 5 inches long, which is the solution to this question. When added together, the perimeter would be 13+13+5+5.

As an expression,

2(13)+2(5)

=26+10

=36.

The perimeter is approximately 36 meters.

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The symbol for a vector is an alphabet with an arrow over it (or) an alphabet written in bold.

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The if statement assigns a value of 10000 to the variable "bonus" if the value of the variable "goodssold" exceeds 500000.

To achieve this, we can use an if statement in programming. An if statement allows us to conditionally execute a block of code based on a specified condition. In this case, the condition is whether the value of the variable "goodssold" is greater than 500000. If the condition evaluates to true, the code inside the if statement will be executed, and the variable "bonus" will be assigned a value of 10000.

Here's an example of how the if statement can be written in Python:

if goodssold > 500000:

   bonus = 10000

In this code snippet, the variable "goodssold" represents the number of goods sold, and we compare its value to 500000 using the greater than operator (>). If the condition is true, the code inside the if statement is executed, and the variable "bonus" is assigned a value of 10000. If the condition is false, the code inside the if statement is skipped, and the variable "bonus" retains its previous value (if any).

By using this if statement, we can dynamically assign a bonus of 10000 to the variable "bonus" based on the value of the variable "goodssold" being greater than 500000. This allows for flexible and conditional handling of the bonus calculation in the program.

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Step-by-step explanation:

Answer:

C

Step-by-step explanation:

first of all the situation is simply :

for the first position you have the full choice of the 30 members.

but then for the other positions you have taken 1 member out of the pool, and we have only 29 left to pick from.

after picking the second position, you have taken 2 members out of the pool, and we have only 28 choices for the 3rd position.

that is what the answer is

30×29×28

now to the theory :

well, the sequence is important.

if you go for the combinations of picking 3 people out of 30, you don't care, if m1 is in p1, m2 in p2, and m3 in p3, or m1 in p2, m2 in p3 and m3 in p1. since it is the same group of m1, m2, m3, both cases would be the same for combinations.

but for our purpose here, they are not the same.

it is important who is president, vice president and treasurer.

like in the Olympic games it makes a big difference, who wins gold, silver and bronze. it is not just to win a medal, and nobody cares about the color ...

they do, and therefore the sequence matters.

and therefore it is a permutation.

basically, the last division by 3×2×1 in the combinations is simply the removal of all the different sequences inside a group of 3.

as, in how many ways can you order 3 items ? 6 : 3×2×1.

3 options for the first, then 2 options for the second, and then one remaining for the third.

but again, if the sequence inside the group of 3 is important, you need to keep these extra 6 options per group of 3 in the calculation.

if the description would have been :

the club votes 3 members as board, and all 3 board members can fulfill all 3 roles at any time as needed, then the sequence would not matter, and it would be combinations.

but the sequence matters, and it is permutations.

The data set of the sample is

62 82 79 76 73 70 67 64 61 66 66 66 63 63 63 60 60 71 71

we have that

(84.5-59.5)/5=5

therefore

The classes are equal to

N 1) 59.5-64.5 ------> midpoint 62

N2) 64.5-69.5 -----> midpoint 67

N3) 69.5-74.5 -----> midpoint 72

N4) 74.5-79.5 -----> midpoint 77

N5) 79.5-84.5 -----> midpoint 82

Find out the frequency for each class

N 1) 59.5-64.5 ------> 8

N2) 64.5-69.5 ----->4

N3) 69.5-74.5 ----> 4

N4) 74.5-79.5 ------> 2

N5) 79.5-84.5 ----> 1

see the figure below to better understand the problem

Answer:

Like any constant value, the value 0 can be considered as a (constant) polynomial, called the zero polynomial. It has no nonzero terms, and so, strictly speaking, it has no degree either. As such, its degree is usually undefined.

Step-by-step explanation:

Answer:

True

Step-by-step explanation:

A side of the cube is 14 inches.

The expression to find the amount of glass needed to make the aquarium is

Hence the answer is

Solution

For this case we have the following probability given:

p= 0.265

n= 4

Part a

Part b

Replacing we got:

adding the two values we got:

Answer:

elon musk

Step-by-step explanation:

he is a god on earth who drinks apples while eating tables in the milk ecosystem when hulk killed superman in washington-nigeria.