Nancy is knitting a scarf. It takes her 0.2 of an hour to knit each inch of the scarf. She wants the length of the scarf to be 60 inches.

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:

8.4*10^-3

Step-by-step explanation:

Move the decimal point 3 places in order to get a number in the one's place.

Answer:

Step-by-step explanation:

y = kx ;

k = \(\frac{y}{x}\) ; x = \(\frac{y}{k}\)

~~~~~~~~~~~~~

k = \(\frac{1}{2}\) ÷ 1 = \(\frac{1}{2}\)

\(y_{1}\) = \(\frac{1}{2}\) × ( - 8 ) = - 4

\(y_{2}\) = \(\frac{1}{2}\) × ( - 4 ) = - 2

\(y_{3}\) = \(\frac{1}{2}\) × 2 = 1

\(x_{5}\) = \(\frac{1}{3}\) ÷ \(\frac{1}{2}\) = \(\frac{2}{3}\)

\(x_{6}\) = - \(\frac{1}{4}\) ÷ \(\frac{1}{2}\) = - \(\frac{1}{2}\)

\(x_{7}\) = 0

( x , y ) : ( - 8 , - 4 ), ( - 4 , - 2 ), ( 2 , 1 ), ( 1 , \(\frac{1}{2}\) ), ( \(\frac{2}{3}\) , \(\frac{1}{3}\) ), ( - \(\frac{1}{2}\) , - \(\frac{1}{4}\) ), ( 0 , 0 )

Answer:

147 cats

Step-by-step explanation

There are 3 dogs/ 7 cats

3x + 7x = 210

10x = 210

210 ÷ 10 = 21

Therefore,

x = 21.

dogs would be 3x (3 x 21) = 63

cats would be 7x (7 x 21) = 147

Answer:

4

Step-by-step explanation:

Hope this helps!

1. Chicken became the key product that drove the creation of the Interstate Highway System, which led to the dominance of American trucks in the US truck market.

2. A party may want to impose a tariff to protect domestic industries from foreign competition or to generate revenue for the government.

3. A party is usually trying to protect domestic industries, but a tariff on automobiles would hurt both domestic consumers who would pay higher prices and foreign producers who would face reduced demand.

4. Competition encourages innovation by providing incentives for companies to improve their products and services to stay ahead of their rivals; American trucks stayed the same because they faced little competition due to protectionist policies.

5. Foreign companies tried to get around American-imposed tariffs on automobiles by establishing factories in the US, forming joint ventures with American companies, or exporting through third countries.

6. The methods used to get around tariffs can be efficient in the short term, but they may not be sustainable or desirable in the long term as they can lead to trade imbalances and undermine the competitiveness of domestic industries.

7. Tariffs can be used as a bargaining chip to negotiate better trade deals, but they should be imposed judiciously and only as a last resort to avoid damaging the economy and harming consumers.

1. In the podcast, chicken is cited as the reason why American trucks dominate the truck market in the United States.

This is because in the 1960s, the government imposed regulations on the trucking industry that limited the amount of weight a truck could carry.

To get around these regulations, the industry started using smaller trucks to transport goods, which were often not strong enough to handle the weight.

However, they found that if they put chicken on the back of the trucks, the weight of the cargo would distribute more evenly and the smaller trucks could handle the load.

This led to the development of the modern pickup truck, which is now a staple of the American automobile market.

2. Parties may want to impose tariffs for various reasons, such as to protect domestic industries and jobs from foreign competition, to raise revenue for the government, or to level the playing field in international trade.

Two specific reasons for imposing tariffs could be to protect national security interests or to address unfair trade practices by other countries.

3. Tariffs are usually imposed to protect domestic industries and jobs, and the parties that are being protected are typically the producers of the goods or services in question.

However, tariffs can also harm consumers who may have to pay higher prices for imported goods or may have fewer choices in the marketplace. For example, if a tariff is imposed on automobiles, domestic car manufacturers may benefit, but consumers may have to pay more for cars, and foreign automakers may lose market share.

4. Competition encourages innovation by creating incentives for companies to improve their products or services to gain a competitive advantage.

In the case of American trucks, the lack of competition may have contributed to their lack of innovation over the years. Since they dominated the market, there was little pressure to improve or innovate, and as a result, they have largely stayed the same.

However, the rise of foreign competition in recent years has led American truck manufacturers to invest more in innovation to stay competitive.

5. Foreign companies have tried to get around American-imposed tariffs on automobiles in various ways, such as by moving production to countries not subject to the tariffs, by exporting parts and assembling them in the United States, or by lobbying the government for exemptions or tariff reductions.

6. The methods used by foreign companies to get around tariffs may not be efficient for the economy as a whole because they can lead to higher costs and inefficiencies in the supply chain.

However, they may be necessary for individual companies to remain competitive in the short term.

Ultimately, a more efficient solution would be to address the root causes of the trade imbalances that lead to tariffs in the first place.

7. A tariff can be used as a bargaining chip by threatening to impose tariffs on imports from a country unless they make concessions in trade negotiations.

While this can be an effective strategy in certain situations, it can also lead to a trade war and harm both economies.

In general, tariffs should be used sparingly and as a last resort, and efforts should be made to address underlying trade issues through diplomacy and negotiation.

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Answer:

Length 37 cm, width 25 cm.

Step-by-step explanation:

Let the original dimensions be length x and width x - 12 cms.

The new dimensions will be length (x - 2) and width (x - 12 - 2) = x-14 cm.

So , from the areas, we have:

x(x - 12) - (x - 2)(x - 14) = 120

x^2 - 12x  - (x^2 - 16x + 28) = 120

-12x + 16x - 28 = 120

4x = 148

x = 37 cms

So the length was 37 cm and the width was 37-12 = 25 cm.

Answer:

Dividend=Divisor×Quotient+Remainder

So, Applying it:−

Let q(x),k(x) be quotient when f(x) is divided by x−1 and x−2 respectively

⇒f(x)=(x−1)q(x)+5

∴f(1)=5 ..... (1)

Also,f(x)=(x−2)k(x)+7

∴f(2)=7 ..... (2)

Now, let ax+b be the remainder when f(x) is divided by (x−1)(x−2) and g(x) be the quotient.

f(x)=(x−1)(x−2)g(x)+(ax+b)

Using (1) and (2)

5=a+b ...... (3)

7=2a+b ...... (4)

Solving (3) and (4), we get

a=2 and b=3

∴2x+3 is the remainder when f(x) is divided by (x−1)(x−2).

The ΔH values associated with the dissolution of lithium chloride that are exothermic involve the release of heat energy. When a substance dissolves in a solvent, it can either release heat (exothermic) or absorb heat (endothermic).

Here are the steps to determine if the dissolution of lithium chloride is exothermic:

1. Look for the chemical equation that represents the dissolution of lithium chloride. In this case, it would be:

LiCl(s) → Li+(aq) + Cl-(aq)

2. Examine the enthalpy change (ΔH) associated with this chemical equation. If the ΔH value is negative, it indicates an exothermic process, meaning that heat is released during the dissolution. If the ΔH value is positive, it indicates an endothermic process, meaning that heat is absorbed during the dissolution.

So, to identify the exothermic ΔH values associated with the dissolution of lithium chloride, you need to find experiments or reliable sources that provide the enthalpy change values for this reaction.

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Answer:

30

Step-by-step explanation:

Answer: 30

Hopes this helps

consider one of the angle be x

and other be 4 x as it is times as large as another

so we know that the sum of the measures of the angles of a triangle is 180°)

x +4x = 180 °

5x =180°

x = 180/5

x=36

so fist angle is 36 ° and other angle is 4 x = 4 × 36 = 144

third angle is equal to the sum of the other two angles

so 36+ 144 = 180°

The height of the building is approximately 102.86 meters.

Given that from a certain distance, the angle of elevation to the top of a building is 17 degrees. At a point 50 meters closer to the building, the angle of elevation is 31 degrees. To find the height of the building.In the given figure, AB is a building and C and D are two different points at a certain distance from the building. So that, angle BCA = 17° and angle BDA = 31°.We have to find the height of the building AB.

Now, let's find the distance between the building and point C and D. Let, BC = x50 meters closer to the building, so BD = x + 50 metersWe know, tangent of an angle = Perpendicular / BaseFor the angle 17°, we have to find AC, so;tan(17°) = AB / ACAB = AC tan(17°) ---(1)For the angle 31°, we have to find AD, so;tan(31°) = AB / ADAB = AD tan(31°) ---(2)Now, find the difference between (1) and (2).AC tan(17°) - AD tan(31°) = 0AC / AD = tan(31°) / tan(17°) [Divide both sides by AD tan(17°)]AC / (AD + 50) = tan(31°) / tan(17°) ----(3)We know the value of (AC + AD) is the actual distance between the building and the point.

So,(AC + AD) = x + (x + 50) = 2x + 50 metersNow we can use the value of AC / (AD + 50) in equation (3) and solve for AB.AB = AC tan(17°) = (2x + 50) tan(17°) tan(31°) / (tan(31°) - tan(17°))Substitute the value of AB from equation (1), so;AC tan(17°) = (2x + 50) tan(17°) tan(31°) / (tan(31°) - tan(17°))AC = (2x + 50) tan(31°) / (tan(31°) - tan(17°))Now, let's use the value of AC in equation (1),AB = AC tan(17°) = (2x + 50) tan(17°) tan(31°) / (tan(31°) - tan(17°)) = 102.86 meters (approx.)So, the height of the building is AB = 102.86 meters (approx.)

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Answer:

50g

Step-by-step explanation:

83g

3hrs=5g

83/5=16.6

16.6x3=49.8=50g

The can is a cylinder with the smallest height and a radius that is the square root of the volume divided by 2\(\pi\).

The formula to calculate the volume of a cylinder is given by the product of the base area and its height. The volume of a cylinder = πr2h cubic units.

To find the dimensions of a 12-oz can that can be constructed with the least amount of metal, we need to minimize the surface area of the can while maintaining a volume of \(355 cm^3\). The surface area of a cylindrical can is given by \(2\pi r(r+h)\) where r is the radius of the base of the can and h is the height of the can.

Minimizing the surface area of the can is equivalent to minimizing the total material used in constructing the can. This can be achieved by making the height of the can as small as possible while maintaining a volume of 355 cm^3. The volume of a cylindrical can is given by πr^2h,

So the equation is:

\(\pi r^2h= 355cm^3\)

We can get the value of h in terms of r by dividing both sides by πr^2

\(h= 355cm^3 / (\pi r^2)\)

Now we can substitute this value of h in the equation for the surface area:

\(2\pi r(r+h) = 2\pi r(r + 355cm^3 / (\pi r^2))\)

Now we can differentiate the above equation with respect to r and set it equal to zero to find the minimum value of the surface area.

\(d(2\pi r(r+h))/dr = 2\pi r + 2\pi (355cm^3 / (\pi r^2)) = 0\\r = sqrt(355cm^3 / (2\pi ))\)

Now we can substitute this value of r back into the equation for the volume of the can to find the corresponding value of h:

\(\pi r^2h = 355cm^3\)

h = \(355cm^3 / (\pi r^2) = 355cm^3 / (\pi (355cm^3 / (2\pi ))^2)\)

The dimensions of the 12-oz can that can be constructed with the least amount of metal are a radius of sqrt(355cm^3 / (2π)) and a height of 355cm^3 / (π (355cm^3 / (2π))^2).

Hence, the can is a cylinder with the smallest height and a radius that is the square root of the volume divided by 2π.

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Complete question: A soda can is to hold 12 fluid ounces. Find the dimensions that will minimize the amount of material used in its construction, assuming the thickness of the material is uniform?

Answer:

a) Equation of the tangent of the parabola

12 x - y -16=0

b)

slope of the tangent  at x=2.1

\((\frac{dy}{dx}) = 3(2.1)^{2} = 13.23\)

slope of the tangent  at x=2.01

\((\frac{dy}{dx}) = 3(2.01)^{2} = 12.1203\)

Step-by-step explanation:

Step(i):-

Given parabola  y = x³  ....(i)

Differentiating equation (i) with respective to 'x'

  \(\frac{dy}{dx} = 3x^{2}\)

slope of the tangent

\((\frac{dy}{dx})_{(2,8)} = 3x^{2} = 3(2)^{2} =12\)

Step(ii):-

Equation of the tangent of the parabola

\(y-y_{1} = m (x-x_{1} )\)

y-8 = 12 (x -2)

12 x - 24 -y +8 =0

12 x - y -16=0

b)

slope of the tangent  at x=2.1

\((\frac{dy}{dx}) = 3(2.1)^{2} = 13.23\)

slope of the tangent  at x=2.01

\((\frac{dy}{dx}) = 3(2.01)^{2} = 12.1203\)

In the case of a Pitot-static (or Prandtl) probe, it measures the pressure and velocity at two different points and, using the Bernoulli equation, the pressure difference between the two points is then used to calculate the velocity of the flow.

The Pitot-static (or Prandtl) probe is able to measure the velocity in a sheared region of a steady incompressible flow because of the Bernoulli equation. The Bernoulli equation states that the sum of the pressure, velocity and potential energies per unit mass is constant. This means that if the pressure, velocity and potential energy of the flow is known at one point, then it can be calculated at any other point. In the case of a Pitot-static (or Prandtl) probe, it measures the pressure and velocity at two different points and, using the Bernoulli equation, the pressure difference between the two points is then used to calculate the velocity of the flow.

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Answer:

The answer to your question is $7

Answer:

Purchase Price:

$28

Discount:

(28 x 75)/100 = $21.00

Final Price:

28 - 21.00 = $7.00

a. The slope between (-3, 0) and (0, -1) is: -1/3.

b. The slope between (1, -4) and (-7, 4) is: -1.

c. The relationship is not linear.

We can find the slope of a relationship that is represented by a table of values by using two points from the table, then apply the formula below:

Slope (m) = change in y/change in x = \(\frac{y_2 - y_1}{x_2 - x_1}\).

Part A: Using two points from the table, (-3, 0) and (0, -1)

Slope (m) = change in y / change in x = (-1 - 0) / (0 - (-3))

Slope (m) = -1/3

Part B: Using another two points, say (1, -4) and (-7, 4)

Slope (m) = change in y / change in x = (4 - (-4)) / (-7 - 1)

Slope (m) = 8/-8

m = -1

Part C: The slopes from part A and part B are not the same or constant, this shows that the relationship between the points is not linear.

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Answer:

First Graph: h(x) = 0.5x^2

Second Graph: f(x) = -2x^2

Third Graph: j(x) = 2x^2

Fourth Graph: g(x) = -x^2

Step-by-step explanation:

First Graph and the Third Graph both open upwards thus we know the coefficient will be positive. Using the point (2,2) as a guide on the first graph, we can see that the best option to fit the first graph would be \(h(x) = 0.5x^2\) as \(h(2) = 0.5 (2)^2 = 0.5(4) = 2\). From process of elimination, we can see that the third graph will be \(j(x) = 2x^2\). Another way to determine this is by looking at the shape of the curves. The first graph opens "wider" thus meaning the coefficient will be smaller.

Second Graph and the Fourth Graph both open downwards thus we know the coefficient will be negative. We only have the options of \(f(x) = -2x^2\) and \(g(x) = -x^2\). We can see that the fourth graph opens "wider" so the coefficient will be smaller thus second graph will be f(x) = -2x^2  and the fourth graph will be g(x) = -x^2. Another way to determine this is by checking a point on a graph. On the fourth graph, there is the point (-2,4). This matches with the equation as \(g(-2) = -x^2 = -(-2)^2 = -4\).

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The first one false and the second one true so sorry if it's wrong-

Answer:

\(4^{6}\) = 4096

Step-by-step explanation:

The rule is \((a^{b})^c\) = \(a^{bc}\).

So you can just multiply the exponents together.

-3* -2 = 6

So the answer is \(4^{6}\) which is 4096. I don't know how your professor wants you to write the answer.

Therefore, (b) x = -10 is the result that is a solution of the rational equation that must be ignored due to the context.

Any equation in algebra that can be written in standard form as where x stands for an unknown value and a, b, and c stand for known values is said to be a quadratic equation. In general, it is assumed that a > 0; equations with a = 0 are regarded as degenerate since they become linear or even simpler. ax2 + bx + c = 0 is a quadratic equation, which is a second-order polynomial equation in a single variable. a 0. It has at least one solution since it is a second-order polynomial equation, which is guaranteed by the algebraic basic theorem. The answer could be simple or complicated.

Here,

1/x+1/(x+18)=1/40

x+18+x/x(x+18)=1/40

2x+18/x²+18x=1/40

40(2x+18)=x²+18x

80x+720=x²+18x

x²-62x-720=0

On solving the quadratic equation,

x=-10,72

So, the value that is a solution of the rational equation that must be discarded because of the context is (b) x = -10.

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Try your best but I think the answer is the first one.

50 + 4 = 54

MARGIN OF ERROR - 4%

54 + 4 = 58

THE FIRST SHOULD BE YOUR ANSWER.

Answer:

Step-by-step explanation:

The answer is A

Answer:

a=1

b= 1/16

c=1/256

Step-by-step explanation: took edge

The average rate of change in weight is 3/8.

According to the statement

Weight of baby during birth = 3 kg

Weight of baby after 8 months = 6 kg

Average rate of change of in weight is calculated by

Average rate = Increased weight - Real weight / Time period

Average rate = 6-3 / 8

Average rate = 3/8

So, the average rate of change in weight is 3/8.

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When the probability is 0.77 for the sample mean to be greater than certain value, tis value is solved to be 4.3

The problem will be solved with t-scores as the number of sample is less than 30

number of sample, n = 25

degree of freedom, df

= n - 1

= 25 - 1 = 24

Assuming a confidence level of 95%, probability of 0.77, with a df of 24 the t-score is 2.064

the question is asking for greater than = 1 - 2.064 = -1.064

Using the formula for t scores

t = (X - μ) / σ

Definition of variables

mean, μ  = 4.70

standard deviation, σ = 0.40

-1.064 = (X - 4.7)/0.4

-1.064 * 0.4 = X - 4.7

-0.4256 = X - 4.7

-0.4256 + 4.7 = X

X = 4.2744 approximately 4.3

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The frequency distribution of the digits indicates that the heights were reported rather than actually measured. This is because the frequency of the digits is not evenly distributed, which would be expected for a set of actual measurements.

Frequency Distribution:

Digit Frequency

0 3

1 5

2 9

3 5

4 3

5 4

6 4

7 4

8 2

9 1

From the distribution of the digits, it appears that the heights were reported rather than actually measured. This is because the frequency of the digits is not evenly distributed, which would be expected for a set of actual measurements.

The frequency distribution of the digits indicates that the heights were reported rather than actually measured. This is because the frequency of the digits is not evenly distributed, which would be expected for a set of actual measurements. For example, the frequency of the digit '2' is more than twice as high as the frequency of the digits '1' and '3', which is not likely to occur in a set of actual measurements.

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