Find three consecutive EVEN integers such that the sum of the smallest number and twice the middle number is 20 more than the largest number.

Based on this scientist's model, the minimal amount of work the bird can expend to break open a whelk shell is 21.8.

The correct option is (b) 21.8

Based on the scientist's model, we need to find the minimal amount of work the bird can expend to break open a whelk shell using the function W(h) = (27.4h - 0.71 + 1)h. To do this, we will find the minimum value of the function.

Rewrite the function as a quadratic equation:
W(h) = 27.4h^2 - 0.71h + h
W(h) = 27.4h^2 + 0.29h

Find the vertex of the quadratic equation to find the minimum value. The formula for the x-coordinate of the vertex is h = -b / 2a, where a = 27.4 and b = 0.29.
h = -(0.29) / (2 * 27.4)
h ≈ 0.00531

Plug the value of h back into the original function to find the minimum amount of work.
W(0.00531) = 27.4(0.00531)^2 + 0.29(0.00531)
W(0.00531) ≈ 21.8

So, the minimal amount of work the bird can expend to break open a whelk shell, based on the scientist's model, is approximately 21.8. Your answer is (b) 21.8.

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Answer:

B

Step-by-step explanation:

Answer:

B. \(\frac{x^2}{3^2} +\frac{y^3}{2^2} =1\)

Step-by-step explanation:

Answer:

a) 199

f(-6)= 5(-6)^2 - 3 (-6) + 1 =199

b) 37

f(3)= 5(3)^2 - 3 (3) + 1 =37

Answer:

6 is the correct answer jt tje

The derivative of y = ln(x√(x² - 6)) is

\(dy/dx = [(x^2 - 6)^{(1/2) }+ x^2] / [(x^2 - 6)^{(1/2)}(x^2 - 6)].\)

The derivative of the function y = ln(x√(x^2 - 6)), we can use the chain rule.

\(y = ln((x(x^2 - 6)^{(1/2)})).\)

1. Differentiate the outer function: d/dx(ln(u)) = 1/u * du/dx, where u is the argument of the natural logarithm.

2. Let \(u = (x(x^2 - 6)^{(1/2)})\).

3. Find du/dx by applying the product and chain rules:

Differentiate x with respect to x,

\(du/dx = (1)(x^2 - 6)^{(1/2)} + x(1/2)(x^2 - 6)^{(-1/2)}(2x)\)

Simplifying,\(du/dx = (x^2 - 6)^{(1/2)} + x^2/(x^2 - 6)^{(1/2)}\)

4. Substitute u and du/dx back into the chain rule:

\(dy/dx = (1/u) * (x^2 - 6)^{(1/2)} + x^2/(x^2 - 6)^{(1/2)\)

Therefore, the derivative of y = ln(x√(x² - 6)) is

\(dy/dx = [(x^2 - 6)^{(1/2)} + x^2] / [(x^2 - 6)^{(1/2)}(x^2 - 6)].\)

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The sequence yn = √(n+1) - √n converges, and its limit can be found by simplifying the expression and applying the limit rules. The limit of yn as n approaches infinity is 0.

To find the limit of yn as n approaches infinity, we can simplify the expression. Let's start by rationalizing the numerator:

yn = (√(n+1) - √n) (√(n+1) + √n) / (√(n+1) + √n)

Simplifying the numerator, we get:

yn = [(n+1) - n] / (√(n+1) + √n)

= 1 / (√(n+1) + √n)

As n approaches infinity, both √(n+1) and √n also approach infinity. Therefore, the denominator (√(n+1) + √n) also approaches infinity. In the numerator, the constant 1 remains constant.

Using the limit rules, we can simplify the expression further:

lim(n→∞) yn = lim(n→∞) [1 / (√(n+1) + √n)]

= 1 / (∞ + ∞)

= 1 / ∞

= 0

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The answer is:

Whether you add or subtract the equations, you get the same resulting equation in one variable.

Answer:

f(-3) = -26

Step-by-step explanation:

f(n)=7n-5; f(-3)

f(-3) = 7(-3) - 5

f(-3) = -21 - 5

f(-3) = -26

I hope this helps!

Answer:

-1/2 is the answer i think

The likely percentage that Maggie will get pregnant again 2 years after the first baby's birth is not predictable as it depends on various factors.

It's important to note that individual circumstances can vary greatly, and predicting an exact percentage of Maggie's likelihood of getting pregnant again in 2 years isn't possible. However, some factors that may influence her chances include her age, contraceptive use, and personal choices.

Teenagers have a higher fertility rate, but using effective contraceptives and making informed decisions can reduce the likelihood of a subsequent pregnancy. It's crucial for Maggie to consult with a healthcare professional for personalized advice and support.

While research suggests that the chances of getting pregnant in the first year after childbirth are relatively high, the likelihood decreases over time, and after two years, it may be lower than the chances of getting pregnant for the first time.

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Answer:

X=960

Step-by-step explanation:

x=0.6X +384

x-0.6X =384

0.4x=384

divide through by 0.4

X=960

Answer:

This is not really an answer but if you photomath and type in the problem for example “9x^2+x-9=0” you’ll be able to find your answer easily

Step-by-step explanation:

We know that the time is inversely proportional to the work.

Let t₁ is the time taken by Jeff and t₂ is the time taken by Jeff's dad.

We know that the formula:

Given:

Therefore,

Hence, it took Jeff's dad 12hours to wash the car himself.

Step-by-step explanation:

please mark me brilliant

Step-by-step explanation:

5. θ = 60°

→ To find the value of y ,

Cos θ = b/h

putting the values in terms of cos

Cos 60° = y/16

1/2 = y/16

16/2 = y

y = 8 unit

→ To find the value of x ,

Sinθ = P/h

putting the values in terms of sin

Sin60° = x/16

√3/2 = x/16

16×√3/2 = x

16×1.73/2 13.84 unit

6. θ = 30°

→ To find the value of y

tanθ = p/b

putting the values in terms of tan

tan 30° = 2/y

1/√3 = 2/y

2×√3 = y

3.46 unit = y

→ To find the value of x

Sin θ = p/h

putting the values in terms of sin

Sin 30° = 2/x

1/2 = 2/x

4 unit = x

The triangle when dilated by a scale factor of -1/2 the final image is at the coordinates:

A' = (6, 3)

B' = (6, 5.5)

C' = (5, 4)

The coordinates of the preimage are

(-3, 3), (-3, -2), and (-1, 1)

this is achieved using the formula

=  (k(x - a) + a, k(y - b) + b)

(a, b) is the center of dilation and k is the scale factor

the dilation is done as follows

preimage      dilation                                         image

(-3, 3)         (-0.5(-3 - 3) + 3, -0.5(3 - 3) + 3)        (6, 3)

(-3, -2)       (-0.5(-3 - 3) + 3, -0.5(-2 - 3) + 3)       (6, 5.5)

(-1, 1)          (-0.5(-1 - 3) + 3, -0.5(1 - 3) + 3)          (5, 4)

The final coordinates are (6, 3), (6, 5.5) and (5, 4)

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Answer:

143

Step-by-step explanation:

The formula for D2 to be placed in order to find the unit price is D2 = B2/C2.

What is the unit price?

The average price of a product is calculated by dividing the total sales revenue by the total units sold. Managers must define "comparable" units when a single product is sold in variants, such as bottle sizes.

To find the unit price of an object, You divide the price by the Object. We need to find how much an object cost per unit.

Let, us consider an Example we have 50lbs of Kulfi (Object) that cost 8.00 dollars(price).

To find the Unit cost, We take the 8.00 and divide it by 50, which results in 0.16 cents per pound. We can check this by multiplying 0.16 by 50=8.00

So, Object= Number of units in cell = C2

Price of Object = B2

Unit Price Formula = D2

Therefore, by considering the above example.,

Object = C2 = 50

Price = B2 = 8.00

D2 Formula= Price of Object/ Number of Units

Therefore, The formula for D2 to be placed in order to find the unit price is D2 = B2/C2.

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Answer:

24 gallons :)

Step-by-step explanation:

Answer:

The 20 inch pizza gives more area of pizza by 2π or about 6.28 in² more pizza.

Step-by-step explanation:

πr² is the formula for the area of a circle

Radius of the 14-inch: 7

Radius of the 20-inch: 10

7²π=

49π

49π+49π=

98π

10²π=

100π

The 20 inch pizza gives more area of pizza by 2π or about 6.28 in² more pizza.

Answer:

3348 ft

Step-by-step explanation:

sin 21° = BC/AB = 1200/AB

AB = 1200 / sin 21° = 1200 / 0.358 =  3352 ≈ 3348

Approximately 9.63% of the energy consumed by the person would be derived from protein.

To calculate the percentage of energy derived from protein, we need to first convert the amount of protein consumed from grams to calories. Protein provides approximately 4 calories per gram. Therefore, 65 grams of protein would provide:

65 grams * 4 calories/gram = 260 calories

This gives us 260 calories from protein.

To find the percentage of energy derived from protein, we can divide the calories from protein by the total calories consumed and multiply by 100:

260 calories / 2700 calories * 100% ≈ 9.63%

Therefore, approximately 9.63% of the energy consumed by the person would be derived from protein.

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Reading a math word problem through to the end will help you comprehend what you need to do in order to solve it. After reading it, you may determine which components of the issue that need to be resolved are the most important and which are not.

There are few basic steps to be followed while solving any mathematics problem:

1. Read and understand the problem.

2. Identify what is given and what is needed to solve the problem.

3. Choose an appropriate strategy to solve the problem.

4. Carry out the strategy.

5. Check your answer to make sure it is correct.

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Answer:

10 1/2 pounds of tomato sauce will be needed

Step-by-step explanation:

The area of the region that lies inside the first curve and outside the second curve is approximately 57.8 square units.

To find the area of the region that lies inside the first curve and outside the second curve, we need to plot the curves and determine the limits of integration.

To find the intersection points, we need to solve the equation

13 cos θ = 6 + cos θ

12 cos θ = 6

cos θ = 1/2

θ = π/3, 5π/3

So the curves intersect at the angles θ = π/3 and θ = 5π/3.

Next, we need to determine the limits of integration. The region we are interested in is bounded by the curves from θ = π/3 to θ = 5π/3. The area can be calculated using the formula

A = (1/2) ∫[π/3, 5π/3] (13 cos θ)^2 dθ - (1/2) ∫[π/3, 5π/3] (6 + cos θ)^2 dθ

Simplifying the integrands, we get

A = (1/2) ∫[π/3, 5π/3] 169 cos^2 θ dθ - (1/2) ∫[π/3, 5π/3] (36 + 12 cos θ + cos^2 θ) dθ

A = (1/2) ∫[π/3, 5π/3] (133 cos^2 θ - 36 - 12 cos θ - cos^2 θ) dθ

A = (1/2) ∫[π/3, 5π/3] (132 cos^2 θ - 12 cos θ - 36) dθ

A = (1/2) [44 sin 2θ - 6 sin θ - 36θ]π/3^5π/3

A = 57.8 (rounded to one decimal place)

Therefore, the area of the region is approximately 57.8 square units.

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The type(s) of censoring present in the survival analysis data these data are right censoring and interval censoring.

In the given survival time data, the presence of censored times can be observed. Censoring occurs when the exact survival time is not known for certain individuals due to various reasons. Based on the given data, we can identify two types of censoring:

1. Right Censoring: Right censoring occurs when the event of interest (in this case, survival time) is not observed for some individuals beyond a certain point. In the data provided, the presence of the "+" superscript indicates right censoring. For example, in the males' data, the values 5.0+ and 7.5+ indicate that the exact survival times for these individuals are beyond 5.0 and 7.5 years, respectively, but the exact values are unknown.

2. Interval Censoring: Interval censoring occurs when the event of interest is known to occur within a specific interval, but the exact time within that interval is unknown. In the females' data, the value 5.8+ indicates that the individual's survival time is beyond 5.8 years but less than the next observed value (which is not provided).

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Answer:

\(\displaystyle s(t)=\frac{3}{4}t^3+10t^3+5t+3\)

Step-by-step explanation:

Integrate v(t) with respect to time

\(\displaystyle \int(3t^3+30t^2+5)\,dt\\\\=\frac{3}{4}t^4+10t^3+5t+C\)

Plug-in initial condition to get C

\(\displaystyle s(0)=\frac{3}{4}(0)^3+10(0)^3+5(0)+C\\\\3=C\)

Thus, the position function is \(\displaystyle s(t)=\frac{3}{4}t^3+10t^3+5t+3\) given the velocity function and initial condition.

Answer:

The steps taken to solve an algebraic equation are the same steps used in an ... at one time, he gets a $10 discount so that the total cost of 4 shirts would be $44.

Step-by-step explanation:

Answer:

The answer is B

Step-by-step explanation:

Answer:

y = 10x-37

Step-by-step explanation:

The slope intercept form of a line is

y = mx+b where m is the slope and b is the y intercept

y = 10x+b

Substitute the point into the equation

3 = 10*4+b

3 = 40+b

Subtract 40

3-40 = 40+b-40

-37 = b

y = 10x-37

Answer: y = 10x - 37

Step-by-step explanation:

Hope it helps <3