I need help with 2(4/3)x8x15+280919 we couldn’t use calculator

Answer:

y=2/2 x -800

Step-by-step explanation:

if you look the line intercepts Y at -800 and slope form is y=mx+b and B is your Y-intercept so you can easily find that. Now the next time the line touches a point on the graph is 2 points up and 2 points to the right, so your slope is 2/2. Remember your slope is always rise over run.

Based on the given information that the demand curve for hummus has a constant slope of -2, we can say that the price elasticity of demand for hummus is relatively elastic. This means that a small change in price will result in a relatively larger change in the quantity demanded of hummus.

In other words, consumers are sensitive to changes in the price of hummus and are likely to reduce their consumption if the price increases, and vice versa.

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The price elasticity of demand for hummus cannot be determined solely from the information provided, as it depends on both the slope and the price-quantity relationship.

The price elasticity of demand (Ed) is a measure of how responsive the quantity demanded of a good is to a change in its price. It is calculated using the formula:

Ed = (% change in quantity demanded) / (% change in price)

Since the demand curve for hummus has a constant slope of -2, this tells us that for every unit increase in price, the quantity demanded decreases by 2 units. However, to calculate the price elasticity of demand, we also need information about the price and quantity levels.

The slope of the demand curve alone does not provide enough information to determine the price elasticity of demand. The elasticity varies along the curve, being more elastic at high prices and low quantities, and less elastic at low prices and high quantities.

While the slope of the demand curve for hummus is -2, this information alone is not sufficient to determine the price elasticity of demand. Additional information about the price and quantity levels is needed to calculate the elasticity accurately.

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The surface area of the shape formed by joining the two cones is approximately 1256 cm².

To find the surface area of the shape formed by joining two cones, we can calculate the individual surface areas of the cones and add them together.

Each cone has a base radius of 8 cm and a height of 15 cm.

The surface area of a cone consists of two parts: the curved surface area and the base area.

Curved Surface Area of a Cone:

The curved surface area of a cone can be calculated using the formula: π x r x l

where r is the base radius and l is the slant height.

To find the slant height, we can use the Pythagorean theorem:

l = \(\sqrt{(r^2 + h^2)}\).

For each cone, the slant height l = \(\sqrt{(8^2 + 15^2)}\) = √289 = 17 cm.

The curved surface area of each cone is: π x 8 x 17 = 136π cm².

Base Area of a Cone:

The base area of a cone is given by the formula: π x \(r^2\)

For each cone, the base area is: π x \(8^2\) = 64π cm².

Now, to find the total surface area of the shape formed by joining the two cones, we add the curved surface areas and the base areas of the cones:

Total Surface Area = 2 x (Curved Surface Area) + 2 x (Base Area)

Total Surface Area = 2 x (136π) + 2 x (64π)

Total Surface Area = 272π + 128π

Total Surface Area = 400π

To get the value to the nearest whole number, we can use the approximation π ≈ 3.14:

Total Surface Area ≈ 400 x 3.14

Total Surface Area ≈ 1256 cm²

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Question -

Two cones with same base radius 8 cm and height 15 cm are joined together along their bases. Find the surface area of the shape so formed (answer to the nearest whole number).

a) The probability that he receives no job offers is given as follows: 0.0001.

b) The probability that he receives at least one job offer is given as follows: 0.9999.

c) The expected number of job offers is given as follows: 5.6.

The mass probability formula for the number of successes x in n trials is defined by the equation presented as follows:

\(P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}\)

\(C_{n,x} = \frac{n!}{x!(n-x)!}\)

The parameters, along with their meaning, are presented as follows:

The parameter values for this problem are given as follows:

n = 8, p = 0.7.

Hence the expected value is given as follows:

E(X) = np = 8 x 0.7 = 5.6.

The probability of no offers is:

\(P(X = 0) = (1 - 0.7)^8 = 0.0001\)

Hence the probability of at least one job offer is given as follows:

1 - P(X = 0) = 1 - 0.0001 = 0.9999.

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Answer:

CATGGAT <=> GTACCTA

CGGTACA <=> GCCATGT

CGGTTAA <=> GCCAATT

TAAGGCC <=> ATTCCGG

ATTGCGT <=> TAACGCA

Step-by-step explanation:

A <-> T

C <-> G

The decimal number that lies between 0.7 and 0.8, has three digits to the right of the decimal point, and whose sum of the digits is 24 is 7.98.

A decimal number is a number that has a fractional part represented by a decimal point. The digits to the right of the decimal point represent values that are smaller than 1.

In this problem, we are given that the decimal number has three digits to the right of the decimal point and that its sum of the digits is 24. Let's call the decimal number x. We can write an equation to represent the sum of the digits:

x = a + b/10 + c/100

Where a, b, and c are the digits of x.

We know that 0.7 < x < 0.8 and that the sum of the digits of x is 24, so we can write two more equations:

0.7 < a + b/10 + c/100 < 0.8

a + b + c = 24

By solving these three equations, we can find the decimal number x.

We know that a must be 7 because 0.7 < x < 0.8, so a = 7. We also know that b + c = 24 - 7 = 17. Now we need to find two digits b and c such that b + c = 17 and b/10 + c/100 is between 0 and 0.1.

The largest value of b that still satisfies this condition is 9. This means that

=> c = 17 - 9 = 8.

Therefore, the decimal number

=> x = 7 + 9/10 + 8/100 = 7.98.

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Answer:

1,008 pairs of earrings

Step-by-step explanation:

14 multiplied by 72 equals 1,008

The measure of angle E  (∠E) in the polygon is 72⁰.

The sum of the exterior angles of a polygon is always equal to 360 degrees.

Consequently, we can write the following equation and determine the measure of each exterior angle of the polygon.

∠A + ∠B + ∠C + ∠D + ∠E = 360

Since ∠A ≅ ∠B ≅ ∠C ∠D ≅ ∠E = x

5x = 360

x = 360/5

x = 72⁰

Thus, the measure of each exterior angle of the polygon is 72⁰.

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Engineers can be held most morally blameworthy for foreseeable harms resulting from technological innovations, engineers have a responsibility to anticipate the potential consequences of their work,

and to take steps to mitigate those consequences. If they fail to do so, and their work results in harm, they can be held morally blameworthy. When engineers develop new technologies, they have a responsibility to consider the potential consequences of their work.

They need to think about how their technology could be used, and whether it could be used to harm people or the environment.

They also need to consider how their technology could be misused, and what steps they can take to prevent misuse.

If engineers fail to consider the potential consequences of their work, and their work results in harm, they can be held morally blameworthy. This is because they have a duty to protect the public from harm, and they have failed to fulfill that duty.

For example, engineers who develop new weapons systems have a responsibility to consider the potential consequences of their work. They need to think about how their weapons could be used,

and whether they could be used to kill or injure innocent people. They also need to consider how their weapons could be misused, and what steps they can take to prevent misuse.

If engineers fail to consider the potential consequences of their work, and their weapons are used to kill or injure innocent people, they can be held morally blameworthy. This is because they have a duty to protect the public from harm, and they have failed to fulfill that duty.

It is important to note that engineers cannot be held morally blameworthy for unforeseeable harms. This is because they did not have the opportunity to anticipate the harm, and they could not have taken steps to prevent it.

For example, engineers who develop new medical treatments cannot be held morally blameworthy if the treatments have unforeseen side effects. This is because the engineers did not have the opportunity to anticipate the side effects, and they could not have taken steps to prevent them.

In conclusion, engineers can be held morally blameworthy for foreseeable harms resulting from technological innovations.

This is because they have a responsibility to anticipate the potential consequences of their work, and to take steps to mitigate those consequences.

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Left-handedness is more common than usual among mathematicians and more common than usual among artists option (d) more; more is correct.

An equation set and a set of variables that define connections between the variables make up a mathematical model, which often explains a system.

As we know,

Mathematicians are more likely than average to be left-handed, while artists are more likely than average to be left-handed.

Thus, Left-handedness is more common than usual among mathematicians and more common than usual among artists option (d) more; more is correct.

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Answer:

x = amount of raisins

y = amount of peanuts

x+y = 5

1.50x+2.50y = 10.50

Step-by-step explanation:

I can't see a table, and im not sure what the question is, but anyways,

you solve this by using elimination or substitution in the system of equations.

Personally, substitution is easier for me so:

x+y = 5

y=5-x

1.50x+2.50(5-x) = 10.50

1.50x+12.50 -2.50x = 10.50

-1x+12.50 = 10.50

-x+12.50-12.50 = 10.50-12.50

-1x = -2

-1x/-1 = -2/-1

x = 2

y =5-x

y=5-2

y=3

Since x was the amount of raisins, and y was the amount of peanuts, we can say that Jeremy used two pounds of raisins and 3 pounds of peanuts to make his 5 pounds of trail mix.  

Answer:

-Congruent triangles and their relationships.

-Similar triangles and their relationships

-SSS, ASA, SAS criterion of similarity

Step-by-step explanation:

Answer: 110

Step-by-step explanation:

I guessed

Answer:

I remember this when I was in grade 5 the answer is 250 now I am in college

A) The derivative of function k(x), i.e.,  k'(x) is equals to \(\frac{(-60x^{2} + 114x + 16)}{(-3x^{2} -4x + 3)^{2} }\)

B) The values of x where the tangent line of the function f(x)=15x−16x is parallel to the line y= 19x−2 are x= 2, -2.

C) The derivative of function h(x), i.e., h'(x) is equals to the\(\frac{ [(sin(x)(4x^{2} +2x-3) - (8x + 2)(-cos(x))]}{(4x^{2} +2x-3)^{2} .}\)

D) The value of \(\frac{d^{64} }{dx^{64} } (-7sinx)\) is -7sin(x) .

We have, k(x) = f(x)g(x)/h(x) and if f(x)

= −3x + 4,g(x) = -x + 4, and h(x)= −3x² −4x + 3, so, rewrite the function, k(x) =\(\frac{ (-3x + 4)(-x+ 4)}{(-3x^{2} -4x + 3)}\)

A) derivative of function, k(x)  : using the division rule of differentiation derivative of the k(x) with respect to x

k'(x) = \(\frac{[f'(x)h(x)g'(x) - h'(x)g(x)f(x)]}{(h(x)^{2} }\) --(1)

Now, differentiating each function w.r.t x   f'(x) = -3 , g'(x) = -1 , h'(x) = -6x -4

so, k'(x) \(=\)\(\frac{ [-3(-3x^{2} −4x + 3)(-1) - (-6x- 4 )(-3x + 4)(-x + 4)]}{(-3x^{2} -4x + 3)^{2} }\)

= \(\frac{(-60x^{2} + 114x + 16)}{(-3x^{2} -4x + 3)^{2} }\)

Hence, we get the required value.

B) Now, we have to determine value of x for f(x)= \(15x-\)\(\frac{16}{x}\) , tangent line is parallel to the line y = 19x−2. Slope of line y = 19x - 2 is   \(\frac{dy}{dx}\) = \(m\) = 19

Tangent line of f(x) is parallel  to line y = 19x - 2.  So, both have same slope,f'(x) = 19

f'(x) =\(\frac{ 15x^{2} - 16}{x^{2} }\) \(=19\)

=> 15x² - 16 = 19x²

=> 19x² - 15x² = 16

=> 4x² = 16

=> x² = 4

=> x = ± 2

So, required value of x are 2 and -2.

C) h(x) = \(\frac{f(x)}{g(x)}\). Also, we have f(x)

= −cos(x) and g(x) = 4x²+2x−3,

Similarly to part(a), h'(x) =\(\frac{ [f'(x)g(x) - g'(x)f(x)]}{(g(x))^2 }\)

f'(x) = derivative of (-cos(x) ) = -(- sin(x))

= sin(x)

g'(x) = 8x + 2

h'(x) = \(\frac{ [(sin(x)(4x^{2} +2x-3) - (8x + 2)(-cos(x))]}{(4x^{2} +2x-3)^{2} .}\)

D) Here, calculate \(\frac{d^{64} }{dx^{64} } (-7sinx)\)

As we know, \(\frac{d( sin(x))}{dx}\)= cos(x)

and \(\frac{d^{2} (sin(x))}{dx^{2} }\) = - sinx

\(\frac{d^{64} (-7sin(x))}{dx^{64} }\) =\(\frac{-7d^{64}(sin(x)) }{dx^{64} }\)

= - 7(sinx)  = -7 sin(x)

Hence, required value is -7sin(x).

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The response rate of the survey conducted by Megan to study bullying in high school is 0.4 or 40%

How to Calculate Response Rate?

The response rate can be calculated by dividing the number of completed survey responses by the number of people who viewed or started the survey.

To convert this to a percentage, multiple your final number by 100.

According to the giving question:

The number of completed survey responses = 400

The number of people who started the survey = 1,000

∴ Response rate = 400/1,000

                           = 0.4 or 40%

Hence the response rate is 0.4 or 40%.

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The number of pages that are in the book is 1 31/45 pages.

A fraction is simply a piece of a whole. The number is represented mathematically as a quotient where the numerator and denominator are split. In a simple fraction, the numerator as well as the denominator are both integers.

In this case, Tyler reads 2/15 pages on Monday 1/3 on Tuesday and 2/9 on Wednesday and 3/4 on thursday .and has 14 pages left on friday how many pages are in the book.

The fraction for pages will be:

= 2/15 + 2/9 + 1/3 + 3/4 + 1/4

= 2/15 + 5/9 + 1

= 6 / 45 + 25/45 + 1.

= 1 31/45

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Complete question

tyler reades 2/15 pages on monday 1/3 on tuesday and 2/9 on wendsday and 3/4 on thursday .and has 1/4 pages left on friday how many pages are in the book

Percentage change = 10%

We can use the formula:

Percent change = \(\frac{New-Old}{Old}\) x 100

Percent change = \(\frac{77-70}{70}\)x100

Percent change = \(\frac{7}{70}\) x 100

Percent change = 0.1 x 100

Percent change = 10%

Answer: 53.9

Step-by-step explanation:

Answer: The slope of the line passing through the points (-3, 5) and (4, -1) is -6/7.

Step-by-step explanation:   To find the slope of a line given two points, you can use the formula:

slope = (y2 - y1) / (x2 - x1)

Using the points (-3, 5) and (4, -1), we can substitute the values into the formula:

slope = (-1 - 5) / (4 - (-3))

= (-6) / (4 + 3)

= (-6) / 7

Therefore, the slope of the line passing through the points (-3, 5) and (4, -1) is -6/7.

Answer:  

\(Slope=-\frac{6}{7}\)

Step-by-step explanation:

\(m= \frac{y2-y1}{x2-x1} \\\\m=\frac{-1-5}{4-(-3)} \\\\m=\frac{-6}{7} \\\\Slope= -\frac{6}{7}\)

Answer:

Step-by-step explanation:

Answer:

C is your answer

Step-by-step explanation:

Answer:

the answer is \(\frac{3\sqrt{73} }{73}\)

Step-by-step explanation:

If you have any questions feel free to ask  - Mark

Bradley, age 6, has schemas for freezer food, refrigerator foods, and pantry foods. He finds a novel item in the grocery bag: popsicles in liquid form. Bradley considers this problem and places the popsicles in the freezer because he classifies them as freezer foods. The process of organizing new information that Bradley goes through is called assimilation.

Assimilation is the process of organizing new information into existing schemas. In this scenario, Bradley has a schema for freezer foods and applies that schema to the new information (popsicles in liquid form) to determine where to store them. Therefore, assimilation is the correct process of organizing new information in this scenario.

Abstract thinking refers to thinking in concepts or ideas, rather than in concrete examples.Theory of mind is the ability to understand that other people have different beliefs, intentions, and perspectives than oneself.

Accommodation is the process of changing or adjusting existing schemas to fit new information that cannot be assimilated into existing schemas.

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In a tesselation of the plane with congruent equilateral triangles, each vertex is shared by six triangles.

This can be visualized by imagining a single equilateral triangle as the center, surrounded by six other equilateral triangles that share a common vertex with the central triangle. Therefore, in this type of tesselation, each vertex is surrounded by six neighboring triangles.

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Answer:

19

Step-by-step explanation:

KM is 2x + 7 units long and ML is 8x - 29 units long, and they have equal length because M is the midpoint of KL. So let's set up the equation like this: 2x + 7 = 8x - 29 and solve for x. We get 6x = 36, so x = 6. The question asks us to find the length of ML, so let's substitute x = 6 in the expression 8x - 29. So the answer is (8 * 6) - 29 = 48 - 29 = 19.

The derivative of f(x)=-8x³-7x⁶ is f'(x) = -24x² - 42x⁵.

The derivative of f(x)=-8x³-7x⁶ is given by f'(x) = -24x² - 42x⁵.

Let's proceed with the solution by applying the power rule.

Power Rule: The power rule is one of the most straightforward differentiation rules to remember, and it applies when a variable is multiplied by a power, e.g., xn.

We can also apply the power rule to polynomials by multiplying each term by its derivative.Example: If f(x) = x², then f'(x) = 2x.

Similarly, if g(x) = x³, then g'(x) = 3x².

Now we can find the derivative of the function f(x) = -8x³ - 7x⁶ as follows:f(x) = -8x³ - 7x⁶

We will apply the power rule and differentiate each term separately.

The derivative of -8x³ is -24x², and the derivative of -7x⁶ is -42x⁵.

Thus, the derivative of f(x)=-8x³-7x⁶ is f'(x) = -24x² - 42x⁵.

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Answer:

-22.65x

Step-by-step explanation:

(-0.75x-4)-(9.5x+8.4)=-4.75x-(17.9x)=-22.65

1.644 gml⁻¹ is is the new volume of the water .

What is density, ?

density = mass/volume

     ρ  = 12.5/7.6

      ρ = 1.644 gml⁻¹

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