HELP ME HELP ME please !!! 10 points

Answer:

Step-by-step explanation:

Acute

Answer:

All of these

Step-by-step explanation:

I'm not sure if it's right but hoped this helped and Have an AMAZING day!!

The marginal column total for the given data is option D: 39; 16.

What is marginal total?

A set of marginal totals is produced when the cell frequencies of a (multidimensional) contingency table are added over one or more of the classifying variables. The row and column totals are the marginal totals for a two-dimensional table.

The sum of the row entries or the sum of the column entries are called the marginal totals. Marginal distributions are computed by dividing the row or column totals by the overall total.

The number of men who prefer to eat fish = 11

The number of women who prefer to eat fish = 6

The number of men who prefer to eat red meat = 28

The number of women who prefer to eat red meat = 10

So, the marginal column total for the number of men who prefer to eat fish and red meat collectively is -

11 + 28 = 39

The marginal column total for the number of women who prefer to eat fish and red meat collectively is -

6 + 10 = 16

Therefore, the marginal total is 39, 16.

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If the price-elasticity of demand for chips is 0.75, then a 20 percent increase in price would result in a 15 percent decrease in the demand quantity.

As per the question statement, the price-elasticity of demand for chips is 0.75 and there is a 20 percent increase in price.

We are required to calculate the resulting decrease in the demand quantity by percent, based on the conditions mentioned in the statement above.

Here, given Price-Elasticity of Demand \((E_{d})\) = 0.75

Also given the percent increase in price = 20

Now, we know that,

\((E_{d})\) = [(Percentage change in quantity demanded)/(Percentage change in price]

Or, [0.75 = (x/20)]...[Assuming "Percentage change in quantity demanded" to be "x"]

Or, [x = (20 * 0.75)]

Or, [x = 15]

That is, If the price-elasticity of demand for chips is 0.75, then a 20 percent increase in price would result in a 15 percent decrease in the demand quantity.

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Answer:

13% decrease. (13.4193548...% to be specific)

Step-by-step explanation:

The difference is 1550-1342=208. 208 as a percentage of 1550 --> 208/1550= 0.134193548... = 13% to the nearest whole number. So, it is a 13% decrease.

Answer:

Step-by-step explanation:

1) 8.9

2) 27.8

3) 24.3

4) 11.4

5) 27.5

6) 49.2

7) 8.1
8)4.8

The best answer regarding the effects of carbon monoxide is option c, CO results in less oxygen loading hemoglobin but unloading is not changed.

Carbon monoxide binds up more tightly to the hemoglobin as compared to the oxygen molecules. This reduces the oxygen-carrying capacity of the blood and results in less oxygen loading onto hemoglobin.

However, once oxygen is already bound to hemoglobin, CO does not significantly affect its release or unloading. Therefore, option c is the most accurate statement among the given choices.

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Answer:

Irrational

Step-by-step explanation:

Root(20)+3

Root of any number which is not a perfect square is irrational

When we add irrational to rational, it is irrational

Answer:

this is simple... 1 3/4

Step-by-step explanation:

Answer:

1 3/4 is greater

Step-by-step explanation:

1 2/4 = 1 1/2 = 150%

1 3/4 = 175%

Answer:

Subtract 10

Step-by-step explanation:

The first option, "take the ones digit", is obviously incorrect because the ones digit of 9 is not -1. The second one is incorrect because you are dividing by 2 and then adding 5. Dividing odd numbers by 2 will give you a decimal and a decimal plus an integer (the integer is 5 in this case) will still be a decimal (provided that the decimal is not an integer as well). However, both of the outputs are integers, so we know that the second one is wrong. The third one is wrong as well because 9 / 3 = 3, not -1. The last one is correct because 15 - 10 = 5 and 9 - 10 = -1.

Answer:

-18y + 7yz - 4z

Step-by-step explanation:

The vectors u and v are orthogonal when k equals 5 or -2.

Two vectors u and v are orthogonal if their dot product is equal to zero. The dot product of two vectors u and v is given by the formula:

u · v = u₁ × v₁ + u₂ × v₂ + u₃ × v₃

where u₁, u₂, u₃ are the components of vector u, and v₁, v₂, v₃ are the components of vector v.

Let's calculate the dot product of u and v:

u · v = (k × -5) + (k × (k + 2)) + (-2 × 5)

= -5k + k² + 2k - 10

= k² - 3k - 10

For the vectors to be orthogonal, the dot product must be zero:

k² - 3k - 10 = 0

To solve this quadratic equation, we can factor it or use the quadratic formula:

(k - 5)(k + 2) = 0

From this equation, we can see that the values of k that satisfy the equation are:

k = 5 or k = -2

Therefore, the vectors u and v are orthogonal when k equals 5 or -2.

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The relationship between the number of hot dogs eaten and time after

arrival is a linear relationship.

Reasons:

First question:

The given parameters are;

Number of hot dogs Uncle Blake has eaten after 3 minutes = 39 hot dogs

Number of hot dogs eaten after 5 minutes = 61 hot dogs

Therefore, we have that the points on a graph of hot dog eaten are;

(3, 39), and (5, 61)

Which gives;

\(The \ rate \ of \ hot \ dog \ eating = \dfrac{(61 - 39) \ hot \ dogs}{(5 - 3) \ minutes} = 11 \ hot \, dogs/minute\)

Second question;

From the given rate, we have the following equation;

n - 39 = 11·(t - 3)

n = 11·t - 33 + 39

n = 11·t + 6

The above equation for the number of hot dogs eaten is in the form, a straight line equation, y = m·x + c.

Where;

y = n = The number of hot dogs eaten

x = t = The time since arrival

c = 6 = The y-intercept

At the time of arrival, t = 0, therefore;

n = 11 × 0 + 6 = 6

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Answer:

It will take Richard 12 minutes to type 720 words.

Step-by-step explanation:

720 ÷ 60 = 12

The angles that cannot be an interior angle in a regular polygon are 40 72° 108° 148°

A polygon is a closed polygonal chain made up of a limited number of straight line segments and is a type of planar figure in geometry. A polygon is an area that is bordered by a bounding circuit, a bounding plane, or both. A polygonal circuit's segments are referred to as its edges or sides.

A regular polygon has equal internal angles all around. A polygon's interior angle is calculated using the following formula: interior angle of a polygon = sum of interior angles number of sides. The total of a polygon's outer angles is 360°.

Given the different angles in degree.

We have to find angle which can't be interior angle in a regular polygon

We apply the formula for each angle = (n - 2) 180 / n to determine the size of each interior angle of a regular polygon.

Let the interior angle be  108 degree

(n - 2) 180 / n = 108

n = 0.5 not possible

Let the interior angle be  148 degree and 179 degree

(n - 2) 180 / n = 148

n = 1.125 not possible

(n - 2) 180 / n = 179

n = 36 possible

Let the interior angle be  40 degree and 72 degree

(n - 2) 180 / n = 40

n = 0.9 not possible

(n - 2) 180 / n = 72

n = 0.33 not possible

Hence angles that cannot be an interior angle in a regular polygon are 40 72° 108° 148°

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The angles that cannot be an interior angle

in a regular polygon are 40 72° 108° 148°

A polygon is a planar figure in which closed polygonal chain made up of a limited number of straight line. A polygon is an area that is bounded by a bounding circuit or a bounding plane or both.

A regular polygon is a polygon which has equal internal angles all around it.

In a polygon, the interior angle = sum of interior angles number of sides.

Total outer angle of a polygon is 360°.

Here we have to find the angle which can't be an interior angle of a regular polygon.

The size of each interior angle of a regular polygon = [(n-2)×180°] /n

1. 108 degree

[(n-2)×180°] /n = 108

180n - 360 = 108n

72n=360

n = 0.2 This is not possible since n is a natural number

2. 148 degree

[(n-2)×180°] /n = 148

180n - 360 = 148n

72n=360

n = 0.2 This is not possible since n is a natural number

Let the interior angle be 148 degree and 179 degree

(n-2) 180 / n = 148

n = 1.125 not possible

(n-2) 180 / n = 179

n = 36 possible

Let the interior angle be 40 degree and 72 degree

(n-2) 180 / n = 40

n = 0.9 not possible (n-2) 180 / n = 72

n = 0.33 not possible

Hence angles that cannot be an interior angle in a regular polygon are 40 72° 108° 148°

Answer:

1. C = 10π, A = 25π

2. 9 cm³

Step-by-step explanation:

Formula for circumference = πd

Formula for area of a circle = πr²

1. Set up the equation for circumference

10π

2. Set up the equation for area (radius = 1/2diameter) and solve

π(5²) = 25π

Formula for volume of a square pyramid = 1/3s² · h

The volume of a square pyramid is equal to 1/3 of the volume of a cube. The formula for a volume of a cube is s³ which is equal to s² · h because a cube has the same side length for all sides. Therefore, the volume of a square pyramid that perfectly fits within a given cube would equal 1/3 the volume of the cube.

1. Set up the equation and solve

27 ÷ 3 = 9

Answer:

Step-by-step explanation:

3.

diameter is equal two radiuses

D = 10 = 2R   ⇒  R = 5

circumference:  C = 2πR = 2R•π = 10π

area:                    A = πR² = π•5² = 25π

4.

If square pyramid fit perfectly inside cube then its base is the same as a face of cube, and the height (H) of pyramid is equal to the edge (S) of its base.

\(A_p=\frac13S^2\cdot H =\frac13S^2\cdot S=\frac13S^3=\frac13A_c=\frac13\cdot27\,cm^3=9\,cm^3\)

To find the derivative of y with respect to t using logarithmic differentiation, follow these steps:

1. Write the given function: y =\(5√(t/(4t + 1))\)
2. Apply natural logarithm to both sides: ln(y) =\(ln(5√(t/(4t + 1)))\)
3. Apply log properties to simplify the right side: ln(y) = 1/2 * ln(5) + 1/2 * ln(t/(4t + 1))
4. Differentiate both sides with respect to t: \((1/y) * dy/dt = 1/2 * (1/(t/(4t + 1))) * (1/(4t + 1) - 4t/(4t + 1)^2)\)
5. Multiply both sides by y:\(dy/dt = y * (1/2 * (1/(t/(4t + 1))) * (1/(4t + 1) - 4t/(4t + 1)^2))\)
6. Substitute y back into the expression: \(dy/dt = 5√(t/(4t + 1)) * (1/2 * (1/(t/(4t + 1))) * (1/(4t + 1) - 4t/(4t + 1)^2))\)

This is the derivative of y with respect to t using logarithmic differentiation.

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Answer:

10.48 miles ran in one hour .

ANSWER :

x = 48

EXPLANATION :

From the problem, we have :

add 12 to both sides :

Answer: The answer is 280 ft.

Step-by-step explanation:

divide the green area into a triangle and a rectangle so it's easier to calculate. Then find the area of the rectangle by multiplying 14 times 16. That should get you 224. Then, find the area of the tringle by multiplying 14 times 18, times 1/2. That will get you 56. If you add 56 to 224, that gets you 280.

Answer:

3x² + 3x³ - x + 8

Step-by-step explanation:

All we have to do is add the terms together

(open parentheses as well)

3x² - 8x + 2 + 3x³ +7x +6

now, simplify

3x²+3x³-x+8

a = -8 and d = 4 satisfy the conditions of the the 5th term of an arithmetic sequence is 8 and the 10th term is 28.

What is an arithmetic sequence?

In an arithmetic sequence, each term is equal to the previous term plus a common difference (d).

Let's use this information to set up two equations using the given values:

The 5th term of the sequence: a + 4d = 8 (since the 5th term is a+4d)

The 10th term of the sequence: a + 9d = 28 (since the 10th term is a+9d)

Now we have two equations with two variables (a and d). We can solve for these variables by using a system of equations:

a + 4d = 8 (equation 1)

a + 9d = 28 (equation 2)

Subtracting equation 1 from equation 2 gives:

5d = 20

Therefore, d = 4.

Now we can substitute d = 4 into either equation 1 or equation 2 to solve for a. Let's use equation 1:

a + 4d = 8

a + 4(4) = 8

a + 16 = 8

a = -8

Therefore, the first term of the arithmetic sequence is -8, and the common difference is 4.

To check that these values are correct, we can verify that the 5th and 10th terms of the sequence match the given values of 8 and 28, respectively:

5th term = a + 4d = -8 + 4(4) = 8

10th term = a + 9d = -8 + 9(4) = 28

Therefore, a = -8 and d = 4 satisfy the conditions of the problem.

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Complete question is: ​a = -8 and d = 4 satisfy the conditions of the the 5th term of an arithmetic sequence is 8 and the 10th term is 28.

Answer:

(130, 13) and (65,26)

Step-by-step explanation:

The LCM represents the least common multiple while the HCF represents the highest common factor. The two numbers under 100 that have HCF of 13 and LCM of 130 are 65 and 26.

Given that:

\(LCM = 130\)

\(HCF = 13\)

Let the two numbers be x and y.

The relationship between x, y, the LCM and the HCF are:

\(x \times y = LCM \times HCF\)

This gives:

\(x \times y = 130 \times 13\)

\(x \times y = 1690\)

This means that the product of the two numbers must be 1690.

A possible product of numbers under 100 that gives 1690 is:

\(65 \times 26 = 1690\)

Hence, the two numbers are: 65 and 26

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Binding constraints directly influence the optimal solution in a linear Programming problem, whereas constraints with positive slack are non-binding and do not directly impact the solution.

binding constraints and positive slack in the context of linear programming. In a linear programming problem, we aim to find the optimal solution for an objective function, given a set of constraints. The terms "binding constraints" and "positive slack" are related to these constraints.

1. Binding constraints: These are constraints that directly impact the optimal solution of the problem. In other words, they "bind" the feasible region (the area where all the constraints are satisfied) and affect the maximum or minimum value of the objective function. Binding constraints are active constraints, as they influence the final solution.

2. Positive slack: Slack is the difference between the left-hand side and right-hand side of a constraint when the constraint is satisfied. If this difference is positive, it means that there is some "extra" or "unused" resource in that constraint. Positive slack indicates that the constraint is non-binding, meaning it does not directly impact the optimal solution. It shows that there is some room for the constraint to be further tightened without affecting the final outcome.

In summary, binding constraints directly influence the optimal solution in a linear programming problem, whereas constraints with positive slack are non-binding and do not directly impact the solution. Knowing the difference between these terms can help you better understand and analyze linear programming problems.

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By following the given steps, we will see that the solution is:

x = 6.66

The linear equation is:

-3*(x - 4) + 5 = -x - 3

1) We want to distribute the product in the left side:

-3*x + (-3)*(-4) + 5= -x - 3

-3x + 12 + 5 = -x - 3

2) combine like terms, the only two that we can combine are the second and third on the left side:

-3x + (12 + 5) = -x - 3

-3x + 17 = -x - 3

3 and 4) Now we need to:

We will get:

(-3x + 17) - 17 + x = (-x - 3) - 17 + x

-3x + (17 - 17) + x = (-x + x) - 3 - 17

-3x = -20

5) Now we can divide both sides by the same number, -3.

(-3x)/-3 = (-20/-3)

x = 6.66

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Hello, to do this, simply do 8.16 divided by 12 to get 0.68 cents per pound. 0.68 is your price per pound.

Answer:

56/15

Step-by-step explanation:

All we have to do is 8/3 x 7/5 and 8x7 is 56,5x3 is 15

So the answer is 56/15.

Answer:

56/15

Step-by-step explanation:

Answer: is bruh idk

Step-by-step explanation: you dont ask me

Answer:

a)  -4g + 52

b)  8p

c)  6z

d)  2a +204

e)  8a +16

f)  32w +16

For the transformation at -78 °C, appropriate reagents include lithium aluminum hydride (LiAlH4) and diethyl ether.

At -78 °C, certain chemical reactions require the use of specific reagents to achieve the desired transformation. One commonly used reagent is lithium aluminum hydride (LiAlH4), which acts as a strong reducing agent. It is capable of reducing various functional groups, such as carbonyl compounds, to their corresponding alcohols.

Diethyl ether is typically employed as a solvent to facilitate the reaction and ensure efficient mixing of the reactants. Researchers often utilize this low temperature for reactions involving sensitive or reactive intermediates, as it helps control the reaction and prevent unwanted side reactions.

The use of LiAlH4 and diethyl ether provides a reliable combination for achieving the desired transformation at this temperature, enabling chemists to manipulate and modify compounds in a controlled manner.

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