PLEASE HELP!! WILL GIVE BRAIN AND 5 STARS

The values of a and b that make the piecewise defined function f(x) = 3x + 4, for x < -3, and f(x) = 2x^2 + ax + b, for x > -3, both continuous and differentiable everywhere are a = 6 and b = 9.

To ensure that the piecewise defined function is continuous at the point where x = -3, we need the left-hand limit and right-hand limit to be equal. The left-hand limit is given by the expression 3x + 4 as x approaches -3, which evaluates to 3(-3) + 4 = -5.

On the right-hand side of the function, when x > -3, we have the expression 2x^2 + ax + b. To find the value of a, we need the derivative of this expression to be continuous at x = -3. Taking the derivative, we get 4x + a. Evaluating it at x = -3, we have 4(-3) + a = -12 + a. To make this expression continuous, a must be equal to 6.

Next, we find the value of b by considering the right-hand limit of the piecewise function as x approaches -3. Substituting x = -3 into the expression 2x^2 + ax + b, we get 2(-3)^2 + 6(-3) + b = 18 - 18 + b = b. To make the function continuous, b must equal 9.

Therefore, the values of a and b that make the piecewise defined function both continuous and differentiable everywhere are a = 6 and b = 9.

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Answer:

Step-by-step explanation:

Given the total number of employee to be equal to 12 temporary employee.

Number of women employee = 5 women

Number of men employee = 12 - 5 = 7 men

If 4 will be hired as permanent employees, the possible ways they can be grouped so that the 4 temporary employees consists of 3 women and 1 man can be done by applying the combination formula.

Combination has to do with selection. For example, if r objects are to be selected from n pool of similar objects, this can be done in nCr different ways.

\(nCr = \frac{n!}{(n-r)!r!}\)

According to question, we are to select 3 women from 5 women and 1 man from 7 men. Based on similarity in sex, this can be done in (5C3* 7C1) different ways .

\(5C3 * 7C1\\= \frac{5!}{(5-3)!3!} * \frac{7!}{(7-1)!1!}\\\\= \frac{5!}{2!3!} * \frac{7!}{6!1!}\\\\= \frac{5*4*3!}{3!*2} * \frac{7*6!}{6!*1}\\\\= \frac{20}{2} * \frac{7}{1}\\ \\= 10*7\\\\= 70\ possible\ groups\)

Answer:

6.156 seconds

Step-by-step explanation:

we can find the 'x' coordinate of the vertex by using -b/2a where b = 197 and a=16

x = -197/-32

x = 6.156

To solve for x at an angle, you must first understand what type of angle you are working with. If the angle is a right angle, you can use the Pythagorean theorem to solve for x. If the angle is an obtuse angle, you can use the law of cosines to solve for x. If the angle is an acute angle, you can use the law of sines to solve for x.

To solve for x at a right angle using the Pythagorean theorem, you must have the lengths of the two neighboring sides of the triangle. The sum of the squares of the two sides is equal to the square of the hypotenuse, according to the Pythagorean theorem. By rearranging the components and solving for x, this equation may be used to find x.

To use the law of cosines to solve for x at an obtuse angle, you must know the lengths of all three sides of the triangle. According to the law of cosines, the square of one side's length equals the sum of the squares of the other 2 sides minus twice the product of the other 2 sides multiplied by the cosine of the obtuse angle. You can use this equation to solve for x by rearranging the terms and solving for x.

To apply the law of sines to solve for x in an acute angle, you should first know the lengths of the triangle's two sides as well as the acute angle's measurement. According to the law of sines, the ratio of one side's length to the sine of the opposite angle equals the ratio of the other side's length to the sine of the acute angle. By rearranging the terms and solving for x, you may use this equation to solve for x.

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Answer:

A≈1633.63

Step-by-step explanation:

d Diameter 26

h heigth 7

A=2πd

2h+2π(d

2)2=2·π·26

2·7+2·π·(26

2)2≈1633.62818

Answer:

800 miles.

Step-by-step explanation:

He would travel 800 miles because 320 divided by 10 is 32. 32 multiplied by 25 is 800.

Hope this helps!

In this context, the dependent variable is t (amount of tax due) and the independent variable is c (cost of the order).In this scenario, the variables are t (the amount of tax due) and c (the cost of the order).

To determine which variable is independent and which is dependent, we need to understand their relationship.In this case, the amount of tax due, t, is calculated based on the cost of the customer's order, c. The tax amount is dependent on the cost of the order because it is directly influenced by the value of c. As the cost of the order changes, the amount of tax due will also change accordingly.

On the other hand, the cost of the order, c, is independent. It is not influenced or determined by the amount of tax due. The customer can choose the cost of their order, and the tax will be calculated based on that chosen amount.

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The expression sin(e^37) does not have a well-defined limit as x approaches 0 from the left side since the argument e^37 is not an angle and is a constant.

To find the limit of the function sin(e^37) as x approaches 0 from the left side, we need to evaluate the limit and analyze the behavior of the function near 0.

The expression sin(e^37) represents the sine of a very large number, approximately equal to 5.32048241 × 10^16. The sine function oscillates between -1 and 1 as the input increases, but it does so in a periodic manner.

As x approaches 0 from the left side (x < 0), the function sin(e^37x) will oscillate rapidly between -1 and 1. However, since the argument of the sine function (e^37) is an extremely large constant, the oscillations will occur at a much higher frequency.

To calculate the limit, we can directly evaluate the function at x = 0 from the left side.

sin(e^37 * 0) = sin(0) = 0.

Therefore, the limit of sin(e^37) as x approaches 0 from the left side is equal to 0.

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Answer:

C

Step-by-step explanation:

The decision to arrest the cell cycle in eukaryotes when cell division is no longer possible is typically made during the G1 (Gap 1) phase of the cell cycle.

The cell cycle consists of several phases, including G1, S (DNA synthesis), G2 (Gap 2), and M (mitosis). During G1 phase, the cell grows in size and prepares for DNA replication in the subsequent S phase. At the end of G1 phase, the cell undergoes a checkpoint called the G1 checkpoint or restriction point. The G1 checkpoint is a critical regulatory point where the cell assesses various conditions before deciding whether to proceed with the cell cycle. At this checkpoint, the cell evaluates factors such as cell size, nutrient availability, DNA damage, and external signals. If the conditions are favorable, the cell receives a signal to progress into S phase and continue with DNA replication. However, if the conditions are unfavorable or cell division is not possible (e.g., due to damaged DNA or lack of resources), the cell can arrest the cell cycle and enter a non-dividing state called G0 phase. In G0 phase, the cell temporarily or permanently stops dividing and can enter a quiescent state or differentiate into specialized cell types. This decision to arrest the cell cycle and enter G0 phase is made at the G1 checkpoint, where the cell assesses its ability to proceed with cell division based on internal and external cues. Therefore, when cell division is no longer possible, eukaryotic cells typically arrest the cell cycle and enter a non-dividing state during the G1 phase at the G1 checkpoint.

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The student that has   the highest probability to find that the actual number of times his or her coin lands heads up most closely matches the predicted numberof heads-up landings is Collin.

Let's calculate the expected number of heads-up landings for each student  -

Ana = 0.5 * 50 = 25

Brady  = 0.5 * 10 = 5

Collin = 0.5 * 80 = 40

Deshawn  = 0.5 * 20 = 10

From the above we can   see that Collin (80 flips) is most likely to find that the actual number of times his coin lands heads up most closely matchesthe predicted   number of heads-up landings (40).

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Full Question:

Although part of your question is missing, you might be referring to this full question:

Four students are determining the probability of flipping a coin and it landing head's up. Each flips a coin the number of times shown in the table below.

Student

Number of Flips

Ana

50

Brady

10

Collin

80

Deshawn

20

Which student is most likely to find that the actual number of times his or her coin lands heads up most closely matches the predicted number of heads-up landings?

Answer:

15 nuts

Step-by-step explanation:

5 + 3 = 8

5 out of 8 are found

3 out of 8 are not found

3/8 × 40 = 15

Answer:

$250*C + $180*G = $950

Step-by-step explanation:

Solving for G, it is G = (950 - 250C)/180

Solving for C, it is C = (950 - 180G)/250

Answer:

160 / 0.10/250

Step-by-step explanation:

6.4

The region bounded by the two curves has an area of approximately 80.357 square units.

The total area of the region bounded by the two curves is approximately  0.843 square units.

We can see that the region we are interested in lies between the two curves and extends from θ = 0 to θ = π. To compute the area of this region, we can integrate the difference in the areas enclosed by the two curves over the interval [0,π]. That is,

Area = ∫(1/2)(15cos(θ))² dθ - ∫(1/2)(7+cos(θ))² dθ

Simplifying the integrals and evaluating them over the given interval, we obtain the area of the region to be approximately 80.357 square units.

The second problem involves finding the area of the region that lies inside both curves, which are given in polar coordinates as r = √3 cos(θ) and r = sin(θ). To visualize the region of interest, we can again sketch the two curves as shown below:

To compute these areas, we can integrate the corresponding expressions over the appropriate intervals.

The area of the region inside the circle and outside the cardioid is given by:

Area1 = ∫(1/2)(√3cos(θ))² dθ - ∫(1/2)(sin(θ))² dθ

Simplifying the integrals and evaluating them over the intervals [π/6,π/2] and [π/2,π], we obtain the area of this region to be approximately 0.798 square units.

The area of the region inside both curves is given by:

Area2 = ∫(1/2)(sin(θ))² dθ - ∫(1/2)(√3cos(θ))² dθ

Simplifying the integrals and evaluating them over the interval [0,π/6], we obtain the area of this region to be approximately 0.045 square units.

Therefore, the total area of the region bounded by the two curves is approximately 0.798 + 0.045 = 0.843 square units.

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The function formula of the mass of the bottle to the function of the volume of the oil is M = 590 - 0.95V

The glass bottle filled with oil weighs 590 grams.  

After Sophia uses 200 millilitres of oil, the bottle of oil weighs 400grams.

Therefore, the weight M of the bottle of oil in grams is a function of V, the volume, in millimetres of oil Sophia has used.

Therefore, the formula of the function can be represented as follows

density = mass / volume

200 mm reduces the weight of the bottle by 590 - 400 = 190 grams.

V mm will reduce  it to ?

cross multiply

190 × V / 200 = 19 / 20 V = 0.95V

where

V = volume of the oil reduced from the bottle

Therefore, the function formula will be as follows:

M = 590 - 0.95V

Where,

M = weight of the oil.

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Answer:

Option (A)

Step-by-step explanation:

There are two inequalities drawn on a graph.

x + 2y ≤ 4 ------(1)

3x - y ≤ 2 -------(2)

Here solution set of the inequality (1) will be represented by the shaded area below the solid line (in blue) represented by "x + 2y = 4".

(Line x + 2y = 4 will have the slope slanting down and y-intercept as 2)

Second inequality will represent the shaded area on the left of the solid red line represented by "3x - y ≤ 2".

(Line 3x - y = 2 will have the slope upwards and y-intercept as -2)

Solution area of these inequalities will be the common area shaded in green.

Graph given in Option (A) will be the answer.

Answer:

[see below]

Step-by-step explanation:

Assuming that the equation is y = 10x + 1

(12, 4)

4 = 10(12) + 1

4 = 120 + 1

4 ≠ 121

(12, 4) is not a solution.

(1, 1.5)

1.5 = 10(1) + 1

1.5 = 10 + 1

1.5 ≠ 1

They are not solutions to the equation.

Hope this helps.

Answer:

bath

Step-by-step explanation:

Answer: 1,000.77

Step-by-step explanation:

After 1 year: 980 + 0.3% = 982.94

After 2 years: 982.94 + 0.3% = 985.89

After 3 years: 985.89 + 0.3% = 988.85

After 4 years: 988.85 + 0.3% = 991.82

After 5 years: 991.82 + 0.3% = 994.80

After 6 years: 994.80 + 0.3% = 997.78

After 7 years: 997.78 + 0.3% = 1,000.77

Brainliest?

Answer: The answer is B) y < 0

Answer: B

Step-by-step explanation:

Answer:b=39 degrees

Step-by-step explanation:

We know the whole angle is a 90 degree angle because of the right angle sign. So all we have to do is subtract 51 from 90, which is 39 degrees

Answer:

c = 69.1

Step-by-step explanation:

which equals it to 379.94

hope it helps

The method that will be used in solving the equation 5x + x = 3/4 is the combination of the addition property of equality and the multiplication property of equality.

The addition property of equality states that if we add the same value to both sides of an equation, the equation remains balanced. In this case, we want to combine the terms with x on the left side.

To solve the equation 5x + x = 3/4, we can simplify it by combining the x terms:

5x + x = 6x

Now the equation becomes:

6x = 3/4

To solve for x, we can use the multiplication property of equality. The multiplication property of equality states that if we multiply both sides of an equation by the same non-zero value, the equation remains balanced.

To isolate x, we need to divide both sides of the equation by 6:

(6x)/6 = (3/4)/6

Simplifying gives us:

x = (3/4) * (1/6)

x = 3/24

Further simplification yields:

x = 1/8

Therefore, the solution to the equation 5x + x = 3/4 is x = 1/8.

Therefore, the method used to solve the equation is the combination of the addition property of equality (to combine the x terms) and the multiplication property of equality (to isolate x by dividing both sides by 6).

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Answer:

the first one

Step-by-step explanation:

i hope that help you

Answer:

Step 1:

Draw a graph - Put Customers on the x-axis and Tips on the y-axis

Equation of a line = mx + c

Then look for where the line crosses the x-axis (this is "c")

Choose two points and find the gradient using this formula:

Change in y/change in x

The number you just got is your "m"

Put it all together and you have y = Mx + C

Hope this helps please mark as brainliest :P

Step-by-step explanation:

Answer:

Step-by-step explanation:

Given data in the table added to scatter plot and line of best fit calculated using a graphing calculator.

See the attached graph.

The line of best fit is:

The least expensive computer after the 20% discount would be $400.

To calculate the price of the least expensive computer after the 20% discount, we need to find 20% of the original price and subtract it from the original price.

Let's assume the original price of the least expensive computer is x. The discount of 20% can be calculated as 0.20 * x. To find the discounted price, we subtract the discount from the original price: x - 0.20 * x = 0.80 * x.

Since we know that the cost of the least expensive computer ranges from $500 to $1000, we can substitute x with $500 and calculate the discounted price: 0.80 * $500 = $400. Therefore, the least expensive computer after the 20% discount would be $400.

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The estimate that a woman who weighs 430 pounds is predicted to be 9.92 feet tall, obtained using the equation of the best fit regression line for adult women's heights and weights, is likely to be inaccurate.

Extrapolation, or making estimates beyond the range of values for which the line was developed, is not recommended because it can lead to inaccurate predictions.Instead, it is important to recognize the limitations of the data and use the regression line only to make predictions within the range of values for which it is valid. In this case, it would be appropriate to use the regression line to estimate the height of a woman who weighs within the range of values in the sample, but not beyond that range.

Moreover, it should be noted that the estimate of 9.92 feet tall is likely to be an outlier, as it is an extreme value that is far outside the range of values for which the line was developed. Thus, it is important to exercise caution when making predictions based on the equation of the best fit regression line, and to recognize the limitations of the data on which the line is based.

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Answer:

y=2x+24

Step-by-step explanation:

-4y=-8x-96

divide everything by -4

y= 2x +24