pls helppp i’ll give points

Answer:

An estimated 3 out of every 25 men are left handed. Hence, 12 percent(%) of the men are left handed.

Step-by-step explanation:

The cost described in the scenario is an example of a mixed cost.

A mixed cost consists of both fixed and variable components. In this case, the $10 per month base charge represents the fixed component of the cost. This charge remains constant regardless of the amount of electricity consumed. It covers the basic service and is not influenced by usage levels.

On the other hand, the additional charge of $0.08 per kilowatt-hour (kWh) of electricity used represents the variable component. This charge varies directly with the amount of electricity consumed. As more electricity is used, the variable cost increases proportionally.

By combining the fixed base charge and the variable charge per kWh, we get a mixed cost structure. The fixed component ensures a minimum cost for the service, while the variable component adds to the total cost based on actual usage. This combination of fixed and variable elements makes the cost a mixed cost.

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Answer:

\(m = \frac{ - 5 - 1}{2 - ( - 3)} = - \frac{6}{5} \)

To determine an expression for the width if the length is known to be 35 cm and the perimeter is given by P = 21 + 2W, we can use the formula for the perimeter of a rectangle, which is P = 2L + 2W.

Since we know the length is 35 cm, we can substitute this value into the formula:

P = 2L + 2W

21 + 2W = 2(35) + 2W

21 + 2W = 70 + 2W

To solve for W, we can isolate the variable on one side of the equation:

21 = 70

21 - 2W = 70 - 2W

-2W = 49

W = -24.5

However, since the width cannot be negative, this answer is not valid.

To determine an expression for the width (W) when the length (L) is known to be 35 cm, we need to first understand the relationship between the perimeter (P) and the dimensions of the rectangle.

The formula for the perimeter of a rectangle is:

P = 2L + 2W

In this problem, we are given:

L = 35 cm
P = 21 + 2W

First, substitute the given values of L and P into the perimeter formula:

21 + 2W = 2(35) + 2W

Now, we need to solve for W:

1. First, simplify the equation by multiplying 2 by 35:

21 + 2W = 70 + 2W

2. To isolate W, subtract 2W from both sides of the equation:

21 = 70

However, this equation does not make sense, and there must be an error in the given information or the problem itself.

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Answer:

5 packages of biscuits and 9 packages of bread.  

Step-by-step explanation:

18x5 = 90, and 9 x 10 = 90. If we use the least common denominator, then it would look like this:

18, 36, 54, 72, 90, 108, 126, 144, 162, 180

10, 20, 30, 40, 50, 60, 70, 80, 90, 100.

Out of the two multiplication lines, the one common part about it would be 90, which is 5 away from the start for 18, and 9 away from the start for 10.

hope it helped

Answer:

5 packs of biscuits

9 packs of bread

Step-by-step explanation:

To find out how many of each one, you have to find their least common multiple:

18: 18, 36, 54, 72, 90, 108, 126, 144, 162, 180

10: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100

18*5 = 90

5 packs of biscuits

10*9 = 90

9 packs of bread

Answer:

Step-by-step explanation:

The formula for the area of a circle is:

A = πr^2

where A is the area, π (pi) is approximately 3.14, and r is the radius.

Substituting the given radius of 17 inches into the formula, we get:

A = 3.14 × 17^2

A = 3.14 × 289

A = 907.06

Therefore, the area of the circle is approximately 907.06 square inches.

Answer:

907.46

Step-by-step explanation:

Area of a circle formula is πr^2

It says the radius is 17

**Simplify**

(3.14)(17)^2=907.46

Answer:

5 hours, y= how much money it will cost, and x represents how many hours

Step-by-step explanation:

y= 15x+45

120= 15x+45

-45 -45

75= 15x

75/15×= 5 hours

The probability of a normal distribution with a mean of 90,000 and a standard deviation of 29,500 being less than or equal to 29,500 is approximately 0.0202.

To compute this probability, we can use the standard normal distribution and transform the values accordingly:

z = (x - mu) / sigma

where:

x = 29,500

mu = 90,000

sigma = 29,500

Substituting the values, we get:

z = (29,500 - 90,000) / 29,500 = -2.0347

Using a standard normal distribution table or calculator, we can find that the probability of a value being less than or equal to -2.0347 is approximately 0.0202.

Therefore, the probability of a normal distribution with a mean of 90,000 and a standard deviation of 29,500 is less than or equal to 29,500 is approximately 0.0202.

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If the volume is 54 cubic units, then the value of h must be 9 units.

The volume of the triangular prism will be:

V = A*h

Where A is the area of the triangle face, we know that for a triangle of base B and height H is:

A = B*H/2

Looking at the image we can see that the base is 4 units and the hypotenuse is 5 units, then the height is:

height = √(5² - 4²) = 3

Then the area is:

A = 4*3/2 = 6  square units.

We know that the volume of the prism is 54 cubic units, then:

54 cubic units = (6 square units)*h

(54 cubic units)/(6 square units) = h

9 units  = h

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Answer:

742,380952381

Step-by-step explanation:

16/42 is done before the sum bc of the jerarquy

The patient can consume approximately 2 cans of 12 oz Coca Cola without exceeding the advised sugar limit.

To determine the number of 12 oz cans of Coca Cola the patient can consume, we need to convert the sugar limit provided by the doctor into grams and then calculate the amount of sugar in a 12 oz can of Coca Cola.

Provided:

Sugar limit: 8.5 × 10^(-2) kg

Coca Cola sugar content: 110 g/L

Volume of a 12 oz can: 12 oz (which is approximately 355 mL)

First, let's convert the sugar limit from kilograms to grams:

Sugar limit = 8.5 × 10^(-2) kg = 8.5 × 10^(-2) kg × 1000 g/kg = 85 g

Next, we need to calculate the amount of sugar in a 12 oz can of Coca Cola:

Volume of a 12 oz can = 355 mL = 355/1000 L = 0.355 L

Amount of sugar in a 12 oz can of Coca Cola = 110 g/L × 0.355 L = 39.05 g

Now, we can determine the number of cans the patient can consume by dividing the sugar limit by the amount of sugar in a can:

Number of cans = Sugar limit / Amount of sugar in a can

Number of cans = 85 g / 39.05 g ≈ 2.18

Since the number of cans cannot be fractional, the patient should limit their consumption to 2 cans of Coca Cola.

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Answer:

D

Step-by-step explanation:

Volume = lwh

120 = l(4)(3)

l = 10 feet

Answer:

To solve the given system of equations using the substitution method, we need to solve one equation for one variable and then substitute that expression into the other equation for that same variable. Let's solve the second equation for y.

-x + y = 4

y = x + 4

Now we can substitute this expression for y into the first equation and solve for x.

-2x + 2(x + 4) = 7

-2x + 2x + 8 = 7

8 = 7

The equation 8 = 7 is not true, which means the system of equations has no solution. We can see this visually by graphing the two lines. They are parallel and will never intersect, which means there is no point that satisfies both equations.

Therefore, the solution to the system of equations is "No solution."

Note: Please be sure to double-check your work to avoid mistakes.

Step-by-step explanation:

Hope this helps you!! Have a wonderful day/night!!

Answer:

I think b

Step-by-step explanation:

The exponents are solved below\

What are exponents?

Exponentiation is a mathematical process denoted by the symbol bn that involves two integers, the base b and the exponent or power n, and is spoken as "b (raised) to the (power of) n." Exponentiation corresponds to repeated multiplication of the base when n is a positive integer: bn is the product of multiplying n bases. Typically, the exponent is displayed as a superscript to the right of the base. In such scenario, bn is referred to as "b raised to the nth power," "b (raised) to the power of n," "the nth power of b," "b to the nth power," or, more succinctly, "b to nth." In other words, when a base raised to one exponent is multiplied by the same base raised to another exponent, the exponents accumulate.

The exponents are solved as follows

(10⁻²)⁹ = 10⁻¹⁸ = 1/10¹⁸

10⁻³ - 10⁻⁸ = 1/10³ - 1/10⁸ = (10⁵ - 10⁸)/10⁸ = 9.9999x10⁻⁴

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Answer:

3$

Step-by-step explanation:

Let x be t-shirts and y socks.

4x + 3y= $37

2y + 5x= $41

x= (37 - 3y) ÷ 4

2y + 5((37-3y)÷4)=41

y=3

Answer:

the answers will be the cd part because it's part the cost

To find the total area of the pool and the walkway, we can add the areas of the pool and the walkway together.

Let's assume that the pool has dimensions of length L and width W, and that the walkway has a uniform width of 2 feet all around the pool. This means that the dimensions of the pool plus the walkway will be (L + 4) feet by (W + 4) feet, since we add 2 feet on each side.

The area of the pool alone is given by L x W. The area of the pool plus the walkway is then given by (L + 4) x (W + 4). To simplify, we can use FOIL (First, Outer, Inner, Last) method to expand the expression:

(L + 4) x (W + 4) = LW + 4L + 4W + 16

Therefore, the polynomial expression that represents the total area of the pool and the walkway is:

A(L,W) = LW + 4L + 4W + 16

where A(L,W) is the total area of the pool and walkway as a function of the pool's length and width.

1.Start by assuming that the pool has dimensions of length L and width W, in feet.

2.Since Mrs. Smith wants to add a 2-foot walkway around the edge of the pool, we need to add 2 feet to both the length and width of the pool to get the dimensions of the pool plus the walkway. This means that the dimensions of the pool plus the walkway are (L + 2) feet by (W + 2) feet.

3.To find the area of the pool alone, we can simply multiply the length by the width: A_pool = L x W.

4.To find the area of the pool plus the walkway, we need to multiply the length and width of the larger rectangle that includes both the pool and the walkway. This rectangle has dimensions of (L + 2) feet by (W + 2) feet. Therefore, the area of the pool plus the walkway is:

A_total = (L + 2) x (W + 2)

5.We can simplify this expression by using the distributive property of multiplication. We first multiply L by W to get LW. Then, we multiply L by 2 and W by 2 to get 2L and 2W, respectively. Finally, we add 2 x 2 = 4 to account for the extra area added by the walkway. Therefore, the total area of the pool plus the walkway can be written as:

A_total = LW + 2L + 2W + 4

6.Finally, we can rewrite this expression as a polynomial in standard form, by rearranging the terms in descending order of degree:

A_total = LW + 2L + 2W + 4

    = LW + 2L + 2W + 0x² + 4

    = 0x² + LW + 2L + 2W + 4

So the polynomial expression that represents the total area of the pool and the walkway is:

A(L,W) = LW + 2L + 2W + 4

where A(L,W) is the total area of the pool and walkway as a function of the pool's length and width.

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a) Data should order 575 chips if he currently has 25 chips in inventory. b) The most he will ever have to order is 35 chips.

To determine the optimal order quantity for Lieutenant Commander Data, we can use the following approach:

a) If Data currently has 25 chips in inventory, he needs to calculate the reorder point, which is the number of chips he should order to meet the demand during the lead time. The reorder point can be calculated as follows:

Reorder Point = Average Daily Demand * Lead Time

Average Daily Demand = Average Rate per Day * Number of Days

Given:

Average Rate per Day = 4 chips

Lead Time = 5 days

Average Daily Demand = 4 chips * 30 days = 120 chips

Reorder Point = 120 chips * 5 days = 600 chips

Therefore, if Data currently has 25 chips in inventory, he should order 600 - 25 = 575 chips to meet the demand during the lead time.

b) To determine the maximum quantity Data will ever have to order, we need to consider the worst-case scenario where the demand is at its highest during the lead time. The worst-case demand can be calculated as follows:

Worst-Case Demand = (Average Daily Demand + Standard Deviation of Demand) * Lead Time

Given:

Standard Deviation of Demand = 3 chips

Worst-Case Demand = (4 chips + 3 chips) * 5 days = 35 chips

Therefore, the most Data will ever have to order is 35 chips.

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Twenty students participated in a psychology experiment which measured their heart rates in two different situations.[75,100] situation shows greater variability.

f(75)=1

f(80)=4

f(90)=5

f(95)=4

f(100)=1

The measure of center should be median as the data is a bit scattered whereas the measure of variability should be the range of it.

Mean should be the measure of center as the data is concentrated in the middle the most whereas the standard deviation should be the measure of variability.

How far apart points are from one another and from the center of a distribution or a data collection is shown by variability. Spread, scatter, and dispersion are other terms for variation.

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The series ∑ₙ=₁ to ∞ (n/n² + 6) is divergent.

To determine whether the series ∑ₙ=₁ to ∞ (n/n² + 6) is convergent or divergent, we can use the Integral Test.

The Integral Test states that if f(x) is a continuous, positive, and decreasing function on the interval [1, ∞) and f(n) = aₙ for all positive integers n, then the series ∑ₙ=₁ to ∞ aₙ and the integral ∫₁ to ∞ f(x) dx either both converge or both diverge.

In this case, let's consider the function f(x) = x/(x² + 6). We can check if it meets the conditions of the Integral Test.

Positivity: The function f(x) = x/(x² + 6) is positive for all x ≥ 1.

Continuity: The function f(x) = x/(x² + 6) is a rational function and is continuous for all x ≥ 1.

Decreasing: To check if the function is decreasing, we can take the derivative and analyze its sign:

f'(x) = (x² + 6 - x(2x))/(x² + 6)² = (6 - x²)/(x² + 6)²

The derivative is negative for all x ≥ 1, which means that f(x) is a decreasing function on the interval [1, ∞).

Since the function f(x) = x/(x² + 6) satisfies the conditions of the Integral Test, we can evaluate the integral to determine if it converges or diverges:

∫₁ to ∞ x/(x² + 6) dx

To evaluate this integral, we can perform a substitution:

Let u = x² + 6, then du = 2x dx

Substituting these values, we have:

(1/2) ∫₁ to ∞ du/u

Taking the integral:

(1/2) ln|u| evaluated from 1 to ∞

= (1/2) ln|∞| - (1/2) ln|1|

= (1/2) (∞) - (1/2) (0)

= ∞

The integral ∫₁ to ∞ x/(x² + 6) dx diverges since it evaluates to ∞.

According to the Integral Test, since the integral diverges, the series ∑ₙ=₁ to ∞ (n/n² + 6) also diverges.

Therefore, the series ∑ₙ=₁ to ∞ (n/n² + 6) is divergent.

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Incomplete question:

Use the Integral Test to determine whether the series is convergent or divergent.

∑ₙ=₁ to ∞ = n/n² + 6

Evaluate the following integral ∫₁ to ∞ x/x²+6 . dx

Answer:

The solution is the point (3, -1)

Step-by-step explanation:

We have the system of equations:

x = 3

y + 1 = 0

To solve this graphically, we need to graph these two lines and see in which point the lines intersect.

To graph the line x = 3, we need to draw a vertical line that passes through x = 3.

To graph y + 1 = 0

First we should isolate y.

y = -1

This is graphed as a horizontal line that passes through y = -1

The graph of these two lines can be seen in the image below.

Where the green line is x = 3, and the blue line is y = -1

Now, looking at the graph we can see that the lines do intersect in the point (3, -1)

Then the solution of the system is the point (3, -1)

Answer:

Step-by-step explanation:

Step one:

given data

the cost of the laptop= $800

initial payment= $200

monthly payment = $60

let the number of months be x

the expression for the situation is the function for the equation of line

y=mx+c

Step two:

the expression for the situation is

800=200+60x

solve for x

800-200=60x

400=60x

divide both sides by 60

x=400/60

x=6.7

Approximately 7 months

3 goes into 4,677, 1559 times!!

Hope this helps!!!

Love: Madoriya~ <3

Answer:

x= 1559

Step-by-step explanation:

3x= 4677

x=4677/3

x=1559

In interpreting effect size, the meaning of effect size at 0.3 is small effect size. So, the correct answer is A).

In interpreting effect size, an effect size of 0.3 is typically considered to be a small effect size. This means that there is a small but still measurable difference or relationship between two variables.

The interpretation of effect size can vary depending on the context and the discipline in which it is being used, but as a general rule, effect sizes of 0.2 or smaller are considered small, effect sizes of 0.5 are considered medium, and effect sizes of 0.8 or larger are considered large. Therefore, an effect size of 0.3 falls in the small effect size range. So, the correct option is A).

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=======================================================

Explanation:

The x interval [0,3] is the same as writing \(0 \le x \le 3\)

It starts at x = 0 and ends at x = 3.

The graph shows that x = 0 leads to y = 3. So we have the point (0,3) on the parabola. We also have the point (3,-3) on the parabola.

Let's find the slope of the line through these endpoints.

\((x_1,y_1) = (0,3) \text{ and } (x_2,y_2) = (3,-3)\\\\m = \frac{y_{2} - y_{1}}{x_{2} - x_{1}}\\\\m = \frac{-3 - 3}{3 - 0}\\\\m = \frac{-6}{3}\\\\m = -2\\\\\)

The slope is -2. This is the average rate of change from x = 0 to x = 3.

This is because:

slope = rise/run = (change in y)/(change in x) = average rate of change.

-------------

Now let's find the slope for the table.

Focus on the rows for x = 0 and x = 3. They lead to f(x) = 10 and f(x) = 4 respectively.

We have (0,10) and (3,4) as our two points this time.

\((x_1,y_1) = (0,10) \text{ and } (x_2,y_2) = (3,4)\\\\m = \frac{y_{2} - y_{1}}{x_{2} - x_{1}}\\\\m = \frac{4 - 10}{3 - 0}\\\\m = \frac{-6}{3}\\\\m = -2\\\\\)

We get the same slope as before, so we have the same rate of change.

Notice the change in y (-6) is the same as before. So we could pick any two y values we want as long as there's a gap of 6 between them, and the second y value is smaller than the first.