definicion etimologica de la palabra poliedro

Answer:

B , D , A ,C

Step-by-step explanation:

PEMDAS

Answer:

= 5² = 25

= 36 ÷ 6 = 6

= 6 × 3 = 18

= 18 + 25 = 43

Step-by-step explanation:

The order of operations is PEMDAS: Parentheses, Exponents, Multiplication, Division, Addition, Subtraction From Left to Right.

First is Exponents.

5² = 5×5 = 25

From left to right, division comes first.

36 ÷ 6 = 6

Then multiplication.

6 × 3 = 18

Lastly, addition.

18 + 25 = 43

Hope that helps.

Answer:

(3,22.50)

(6, 33)

Rise/Run using two points

33-22.50/ 6-3

10.5/3

Rate = 3.5

The true statements about the slope are:

The graph that completes the question is added as an attachment'

From the question, we have

Slope of the trend line = 15

This can be represented as

Slope = 15

As a general rule

These mean that (a) and (e) are true options

Also, we have:

Slope = 15

Multiply by 1000

Value(1000) = 15 * 1000

Evaluate

Value(1000) = 15000

This means that sales increase $15,000 as ads increase by $1,000.

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Answer:

-4, -3, -2, -1, 0

Step-by-step explanation:

Using the equation y = x -2, substitute the values for x into the equation and solve for y.

y = -2 -2

y = -4

y = -1 - 2

y= -3

y = 0 - 2

y = -2

y = 1 - 2

y = -1

y = 2 - 2

y = 0

You will have the coordinates when you plug the numbers into the table. (-2, -4), (-1, -3), (0, -2), (1, -1), (2, 0). Plot the points and connect with a line.

Answer:

V = 10.5 ft³

Step-by-step explanation:

Volume formula: length x width x height

We are given all 3, so all we have to do is multiply them all together, When we plug it into the calc, we should get 21/2 or 10.5 ft³ as our answer.

The answer is none of the above.

To find the least value of n, we need to use the error formula for the Trapezoid rule:
|Error| ≤ (b-a)^3/(12n^2) * max|f''(x)|

In this case, a=0, b=4/π, f(x)=cos(3x), and f''(x)=-9cos(3x).

We want the error to be within 0.05, so we have:
0.05 ≤ (4/π)^3/(12n^2) * 9

Simplifying, we get:

n^2 ≥ (4/π)^3/(12*0.05*9)

n^2 ≥ 30.857

Since n has to be an integer, the least value of n that satisfies this inequality is n=6.

However, we need to check that n=6 is indeed enough to guarantee the desired level of accuracy. Using n=6 in the Trapezoid rule, we get:

T6 = (1/2) [(cos(0) + cos(4/π)) + 2(cos(1/π) + cos(2/π) + cos(3/π))]

T6 ≈ 0.3304

The true value of the integral is:
0∫(cos(3x)dx)4​ = [sin(3x)/3]0​4/π = (sin(12/π) - sin(0))/3 ≈ 0.3285

So the error in our approximation is:
|Error| ≈ |0.3304 - 0.3285| = 0.0019

Since 0.0019 < 0.05, we can conclude that n=6 is indeed the least value of n that guarantees the desired level of accuracy.

The answer is none of the above.

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Answer: I think is A

Step-by-step explanation:

Answer:

AD=27

Step-by-step explanation:

Answer:

what do u need help with

Step-by-step explanation:

Answer: y = 5x + 26

Step-by-step explanation:

To find the equation of a line that is perpendicular to the given line y = -1/5x + 1 and passes through the point (-5, 1), we need to determine the slope of the perpendicular line. The given line has a slope of -1/5. Perpendicular lines have slopes that are negative reciprocals of each other. So, the slope of the perpendicular line will be the negative reciprocal of -1/5, which is 5/1 or simply 5. Now, we have the slope (m = 5) and a point (-5, 1) that the perpendicular line passes through.

We can use the point-slope form of a linear equation to find the equation of the line:

y - y1 = m(x - x1)

Substituting the values, we get:

y - 1 = 5(x - (-5))

Simplifying further:

y - 1 = 5(x + 5)

Expanding the brackets:

y - 1 = 5x + 25

Rearranging the equation to the slope-intercept form (y = mx + b):

y = 5x + 26

Therefore, the equation of the perpendicular line that passes through the point (-5, 1) is y = 5x + 26.

(1.25 x 12)/ 0.6=

25

Hope this helps :)

The new cost after the discount and tax are applied is $872.10, which is option (d).

Statistics is a branch of mathematics that deals with the collection, analysis, interpretation, presentation, and organization of numerical data.

First, let's calculate the amount of discount Angel will receive using the coupon code:

Discount = 15% of $950 = 0.15 x $950 = $142.50

Next, let's calculate the new price of the jacket after the discount is applied:

New price = $950 - $142.50 = $807.50

Now, let's calculate the amount of tax that will be applied to the new price:

Tax = 8% of $807.50 = 0.08 x $807.50 = $64.60

Finally, let's add the tax to the new price to get the total cost:

Total cost = $807.50 + $64.60 = $872.10

Therefore, the new cost after the discount and tax are applied is $872.10, which is option (d).

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The simplest solution for this problem is to traverse the entire array and store the minimum and maximum values.

C++ implementation for the following problem

#include <iostream>

int main(){  

int arr[] = {1,2,3,4,5,6,7,8,9...........................99,100}; //initialize array

int min = arr[0]; //start value

int max= arr[0];  //start value

for(int i:arr) {

 if(i<min) min=i; // if current number lower update min

 if(i>max) max=i; // if current number bigger update max

}

std::cout<<"Min Value: "<<min<<"\nMax Value: "<<max<<"\n";

return 0;

}

The simplest solution for this problem is to traverse the entire array and store the minimum and maximum values.

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Answer:

4d+13

Step-by-step explanation:

The simplified expression would be equal to 4d + 14.

We are given the expression as;

2d +17 – 3 – 2d + 4d

To simplify the expression 2d + 17 - 3 - 2d + 4d, we can combine like terms.

Starting with the terms containing the variable "d", we have 2d - 2d + 4d. Since 2d - 2d equals 0, we are left with 4d.

Next, we can combine the constant terms.

We have 17 - 3, which equals 14.

So, the simplified expression is 4d + 14.

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Answer:

your answer would be 2 because you subtract 4-2 which would be 2

The difference in the scores of Sadie and Brynn is 2.

An equation is a statement that the depicts the values of two mathematical expressions as equal using an (=) sign. Example -

2x = 5

An expression is written using individual terms (either constant or variable) separated by mathematical operations. Example -

3x + 5y + 3

We have Sadie who won her golf game with Brynn. Their scores are Sadie = 2 and Brynn = 4.

The difference in their scores can be calculated as -

d = 4 - 2

d = 2

Therefore, the difference in the scores of Sadie and Brynn is 2.

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Answer:

y = 2x + 5

Figure 505

Step-by-step explanation:

(3,11) ( 4,13)

Find the slope

Change in y over the change in x

\(\frac{13-11}{4-3}\) = \(\frac{2}{1}\) = 2

slope (m) is 2.

Part A

Find the y -intercept

m = 2

x = 3     from the point (3,11)

y = 11    from the point (3,11)

y = mx + b  Substitute what I know and solve for b

11 = (2)(3) + b

11 = 6 + b  Subtract 6 from both sides

11 - 6 = 6 -6 + b

5 = b

The y intercept (b) is 5

y = mx + b

y = 2x + 5

Part B

y =  2x + 5

1015 = 2x + 5  Subtract 5 from both sides

1015 - 5 = 2x + 5 - 5                                                    

1010 = 2x  Divide both sides by 2

505  

Answer:

Answer 50

Step-by-step explanation:

4(10) + 10

40+10

50

Answer: -83

Step-by-step explanation:

f(9)--22+20-9*(9)=-2-81=-83

Answer:

Step-by-step explanation:

Subtract 1/4 from both sides. (Change 1/4 to 2/8 so that it can be subtracted from 5/8)

X+ 1/4 = -5/8

X = -5/8 - 2/8

X= -7/8

The derivative of the given expression, cos(x³) * sin(x²) * x⁵, with respect to x is: d/dx [cos(x³) * sin(x²) * x⁵].

To differentiate this expression, we can apply the product rule and the chain rule. The product rule states that the derivative of the product of two functions is the derivative of the first function times the second function plus the first function times the derivative of the second function. Let's break down the expression and differentiate each part separately:

Differentiate cos(x³): The derivative of cos(x³) with respect to x is -sin(x³). Applying the chain rule, we multiply by the derivative of the inner function, which is 3x².

Differentiate sin(x²): The derivative of sin(x²) with respect to x is cos(x²). Applying the chain rule, we multiply by the derivative of the inner function, which is 2x.

Differentiate x⁵: The derivative of x⁵ with respect to x is 5x⁴.

Now, we can put it all together using the product rule:

d/dx [cos(x³) * sin(x²) * x⁵] = (-sin(x³) * 3x² * sin(x²) * x⁵) + (cos(x³) * cos(x²) * x⁵ * 2x) + (cos(x³) * sin(x²) * 5x⁴).

Simplifying the expression further, we obtain the derivative of the given expression.

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If r2 equals .36 it means that 36% of the variability in one variable is accounted for by variability in another variable.The coefficient of determination, commonly referred to as r-squared or R2, is a statistical measure that evaluates how well a linear regression model fits the data.

It measures the proportion of variability in a dependent variable that can be accounted for by the independent variable(s). In simpler terms, the R-squared value indicates how well the regression line (or the line of best fit) fits the data points being studied, and whether the variation in the dependent variable is related to the variation in the independent variable.

If r2 equals .36, it means that 36% of the variability in one variable is accounted for by the variability in another variable.

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The radius of convergence (R) for the power series is 1/8.

The radius of convergence of a power series is found using the formula R = 1/L, where L is the limit superior of the absolute values of the coefficients. In this series, the coefficients are (8^n)/(n^5), and we can use the ratio test to find that L = lim(n→∞) |(8^(n+1) / (n+1)^5) / (8^n / n^5)| = 8/ e < ∞. Therefore, R = 1/L = e/8. To find the interval of convergence (I), we need to determine the values of x for which the series converges. We can use the ratio test again to show that the series converges absolutely for |x| < e/8. To check the endpoints of the interval, we can use the alternating series test, which shows that the series converges at x = -e/8 and diverges at x = e/8. Thus, the interval of convergence is I = (-e/8, e/8].

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The minimum amount Katie must have withheld from each of her 26 bi-weekly paychecks in order to avoid owing the federal government at the end of the year is $243.

What is income tax?

An income tax is a charge levied against people or organizations in relation to the income or profits they make. In most cases, income tax is calculated as the sum of the tax rate and the amount of taxable income. The type of taxpayer and the type of income are two factors that can affect the tax rate.

Given:

Katie has determined that, based on her annual income of $42,000, her federal income tax for the year is $6,328.

Katie gets paid on a bi-weekly basis, giving her 26 paychecks throughout the 52 week year.

We can calculate the amount that should be withheld every two weeks by dividing Katie's estimated annual income taxes by 26 weeks:

$6328 / 26 weeks = $243.38 ≈ $243.

Hence, the minimum amount Katie must have withheld from each of her 26 bi-weekly paychecks in order to avoid owing the federal government at the end of the year is $243.

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6x+54=168

6x= 168-54

6x= 114

6x÷6= 114÷6

x= 19

Aldo sold 19 tshirts

Answer:

B 18.79

Step-by-step explanation:

Answer:

B

Step-by-step explanation:

Answer:

Step-by-step explanation:

If you looking for square and square root:

Square: 529

Square root: 4.796 and the longer one,4.79583152331

X ~ Bin ( n , p)

The probability that a random sample of 60 households will have exactly 20 households with 3 or more vehicles is 0.90931

What is mean and standard deviation?

Using Normal Approximation to Binomial

Mean = n * P = ( 60 * 0.3 ) = 18

Variance  = n * P * Q  = ( 60 * 0.3 * 0.7 ) = 12.6

Standard deviation  = √(variance) = √(12.6)  = 3.5496

P ( X = 20 )

Using continuity correction

P( n - 0.5 < X < n + 0.5 )

= P ( 20 - 0.5 < X < 20 + 0.5 )

= P ( 19.5 < X < 20.5 )

Using EXCEL,

P ( 19.5 < X < 20.5 )

= P(X < 20.5) - P(X < 19.5)

= BINOM.DIST ( 20.5 , 60 , 0.30, TRUE) - BINOM.DIST ( 19.5 , 60 , 0.30, TRUE)

= 0.7622 -  0.66916

= 0.0931

Hence, the probability that a random sample of 60 households will have exactly 20 households with 3 or more vehicles is 0.90931

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The function (g+h)(n-4) is the sum of the function g(n-4) and h(n-4) will be written as (g+h)(n-4) = n² - 7n + 9.

A function is an assertion, concept, or principle that establishes an association between two variables. Functions may be found throughout mathematics and are essential for the development of significant links.

The functions are given below.

g(n) = n² + 4n

h(n) = - 3n - 3

The function (g+h)(n) is calculated as,

(g+h)(n) = g(n) + h(n)

(g+h)(n) = n² + 4n - 3n - 3

(g+h)(n) = n² + n - 3

Put n = n - 4, then we have

(g+h)(n-4) = (n - 4)² + (n - 4) - 3

(g+h)(n-4) = n² + 16 - 8n + n - 4 - 3

(g+h)(n-4) = n² - 7n + 9

The function (g+h)(n-4) will be (g+h)(n-4) = n² - 7n + 9.

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