paperback books cost a total of ​$. How much change will Prakash get if he buys 3 hardcover books and 5 paperback​ books, and gives the clerk ​$20 bills?

Answer:

B

Step-by-step explanation:

The positive 9 shows that it's moving up 9 units, the negative in front of the square root reflects the equation over the x-axis, and the positive 3 shows that it has been moved to the left 3 units.

Outside of equation: positive numbers translate up, negative translate down. (ex: [tex]x^{2}+3, x^{2}-3[/tex]. The three would move the equation up or down.)

Inside of equation: positive numbers translate left, negative translate right. (ex: [tex](x-3)^{2},(x+3)^{2}[/tex]. The 3 would move left or right.)

An angle in standard position measures π/2 radians, and p(0, 1) is on the terminal side of the angle, the value of the cosine of this angle is 1.

So, we have:

cos θ = adjacent/hypotenuse

cos θ = x/1

cos θ = x

Now, the given angle is π/2 radians, and the point P (0, 1) lies on the terminal side of the angle. From the point P (0, 1), we can move left towards the origin to make a right-angled triangle.

Since the angle measures π/2, one leg will be on the x-axis (the horizontal leg) and the other leg will be on the y-axis (the vertical leg). Let's construct a right triangle using the point P (0, 1) and the origin (0,0) as two of the vertices: So, the opposite side is equal to 0, and the adjacent side is equal to 1.

Thus, the value of the cosine of this angle is cos θ = adjacent/hypotenuse = 1/1 = 1.

You can learn more about the angle at: brainly.com/question/31818999

#SPJ11

Answer:

0

Step-by-step explanation:

The relationship described, where the number of ants in a colony doubles every month, can be modeled by an exponential function.

An exponential function is of the form y = ab^x, where 'a' is the initial value or starting point, 'b' is the growth factor, and 'x' represents the time or number of months in this case.

In the given scenario, the initial number of ants is multiplied by a growth factor of 2 every month. This corresponds to the base 'b' of the exponential function being equal to 2. The exponent 'x' represents the number of months elapsed.

Therefore, the exponential function y = 2^x best models the relationship between the number of ants in the colony and the time, as it reflects the doubling pattern observed in the colony's population over time.

Know more about exponential function here;

https://brainly.com/question/29287497

#SPJ11

Answer: Range = 22 IQR = 13

Step-by-step explanation:

To find the range of a data set, subtract the largest value of the data set from the smallest value. 45 is the largest value and 23 is the smallest, and 45-23 is 22, so the range is 22. To find the IQR, you must subtract the upper quartile and the lower quartile. We can find this after finding the mean by re-arranging all the values in order from lowest to greatest, and finding the middle value. Once we do so, we get 33.5. Then, we find the median of all the numbers below and after the median to get the lower and upper quartiles. Then, we subtract them to get the IQR 13.

Answer: 14/5

Step-by-step explanation:

2.8 = 28/10

this can be simplified to 14/5

Answer:

14/5

Step-by-step explanation:

Answer:

54

Step-by-step explanation:

686779496080807

the rate of change of the radius at the instant when the radius is 11 feet and the volume is 26 cubic feet is -10 feet per second.

What is Volume?

Volume is the amount of three-dimensional space enclosed by a closed surface, such as the space that a substance (solid, liquid, gas, or plasma) or shape occupies or contains. Volume is often quantified numerically using an SI-derived unit, the cubic meter

To find the rate of change of the radius at the instant when the radius of the cylinder is 11 feet and the volume is 26 cubic feet, we can use the related rates of change between the height, radius, and volume of the cylinder.

Let's denote the height of the cylinder as h, the radius as r, and the volume as V. We are given that the height is decreasing at a constant rate of 2 feet per second, and the volume is decreasing at a rate of 264 cubic feet per second.

We know the formula for the volume of a cylinder is V = πr^2h.

Differentiating both sides of the equation with respect to time (t), we have:

dV/dt = d(πr^2h)/dt

Using the product rule, we can rewrite this as:

dV/dt = π(2rh(dr/dt) + r^2(dh/dt))

Since we are given the values of dV/dt (rate of change of volume) and dh/dt (rate of change of height), and we want to find the rate of change of the radius, we can substitute these values into the equation along with the known values of r (radius) and V (volume) at the given instant.

dV/dt = -264 (volume is decreasing at a rate of 264 cubic feet per second)

dh/dt = -2 (height is decreasing at a rate of 2 feet per second)

r = 11 (radius is 11 feet)

V = 26 (volume is 26 cubic feet)

Plugging in these values, we have:

-264 = π(2(11)(dr/dt) + 11^2(-2))

Simplifying further:

-264 = π(22(dr/dt) - 22)

Dividing both sides by π(22), we get:

-12 = dr/dt - 2

Adding 2 to both sides, we have:

dr/dt = -12 + 2 = -10

Therefore, the rate of change of the radius at the instant when the radius is 11 feet and the volume is 26 cubic feet is -10 feet per second. Note that the negative sign indicates that the radius is decreasing.

To learn more about Volume from the given link

https://brainly.in/question/21020535

#SPJ4

The general solution of the differential equation is: y = c1 e^(3t) cos(t) + c2 e^(3t) sin(t), where c1 and c2 are arbitrary constants determined by the initial or boundary conditions.

The given differential equation is a second-order homogeneous linear differential equation with constant coefficients. Its characteristic equation is obtained by assuming a solution of the form y = e^(rt), where r is a constant. Substituting this into the differential equation, we get:

r^2 e^(rt) - 6r e^(rt) + 10 e^(rt) = 0

Dividing both sides by e^(rt) (which is non-zero), we get:

r^2 - 6r + 10 = 0

Solving for r using the quadratic formula, we get:

r = (6 ± sqrt(6^2 - 4(1)(10))) / 2

r = 3 ± i

Therefore, the general solution of the differential equation is:

y = c1 e^(3t) cos(t) + c2 e^(3t) sin(t)

where c1 and c2 are arbitrary constants determined by the initial or boundary conditions.

This solution consists of a linear combination of two functions: the exponential function e^(3t) and the periodic function cos(t) or sin(t), which oscillates between -1 and 1. The exponential function represents the growth or decay of the system, while the periodic function represents the oscillations or vibrations of the system. The constants c1 and c2 determine the amplitude and phase of the oscillations, respectively. The behavior of the system depends on the signs and magnitudes of the real and imaginary parts of the roots, which determine whether the solutions are overdamped, critically damped, or underdamped.

Learn more about quadratic at: brainly.com/question/22364785

#SPJ11

the above numbers (Saturday or Sunday) the true probability is closer to. Inverse correlation implies that as the probability of shopping on Saturday increases, the probability of shopping on Sunday decreases, and vice versa.

If the probability of shopping on Saturday is inversely correlated with the probability of shopping on Sunday, we can infer that as the likelihood of shopping on one day increases, the likelihood of shopping on the other day decreases.

Without specific numbers or additional information, it is impossible to determine which probability is closer to the true probability.

Let's consider two scenarios to illustrate this point.

In Scenario A, the probability of shopping on Saturday is high (e.g., 80%), suggesting a low probability of shopping on Sunday (e.g., 20%).

In Scenario B, the probability of shopping on Saturday is low (e.g., 20%), indicating a high probability of shopping on Sunday (e.g., 80%).

Both scenarios exhibit an inverse correlation between the two probabilities.

In Scenario A, the true probability is closer to 80% for shopping on Saturday, while in Scenario B, the true probability is closer to 80% for shopping on Sunday.

Thus, without specific values or additional information, it is not possible to determine which probability is closer to the true probability.

The inverse correlation only tells us about the relationship between the two probabilities, not their actual values.

For similar questions on probability

https://brainly.com/question/24756209

#SPJ8

[tex]\sf D = 1260 \ m[120 \ o] \ CW \ from +y-axis.[/tex]

[tex]\sf Y = 1260\times Cos \ (120) = -630 = 630 \ m. \ South.[/tex]

Therefore, 630 m far south is he from his starting point​.

The volume of the right circular cone with a height of 15.4 m and a base circumference of 18 m is 15.68 cubic meters.

To find the volume of a right circular cone, we can use the formula:

Volume = (1/3) × π × r² × h,

where π is the mathematical constant pi, r is the radius of the base, and h is the height of the cone.

Given that the base has a circumference of 18 m, we can calculate the radius using the formula:

Circumference = 2 × π × r

18 = 2 × π × r

r = 18 / (2 × π) = 2.864 m.

Now we can substitute the values into the volume formula:

Volume = (1/3) × π × (2.864 m)² × 15.4 m,

Volume = 15.68 m³

Therefore, the volume of the right circular cone with a height of 15.4 m and a base circumference of 18 m is 15.68 cubic meters.

To learn more on Volume click:

https://brainly.com/question/28058531

#SPJ1

To create the greatest 5-digit number using the digits 4, 2, and 0, we need to place the highest value digit in the leftmost position. Therefore, the greatest 5-digit number that can be created using the digits 4, 2, and 0 is 42,000.  

By arranging the digits in this order, you ensure that you have the largest possible value while still using only the given digits 4, 2, and 0. In this case, the digit 4 is the highest value digit. So we place it in the ten-thousands place. This gives us 40,000. Now we need to fill in the remaining four digits. Since we want to create the greatest possible number, we need to use the next highest digit, which is 2, in the thousands place. This gives us 42,000. We can then use the remaining digit, which is 0, in the hundreds, tens, and ones places. to create the greatest 5-digit number, we need to start with the highest value digit and place it in the leftmost position. Then, we fill in the remaining digits with the next highest value digits in descending order. This ensures that we create the greatest possible number.

The greatest 5-digit number using the digits 4, 2, and 0, you can repeat the digits as needed. Place the largest digit (4) in the leftmost position to maximize the value, and then fill in the remaining positions with the next largest digit (2), followed by the smallest digit (0).

Therefore, the greatest 5-digit number that can be created using the digits 4, 2, and 0 is 42,000.

Learn more about highest value here:

https://brainly.com/question/28394797

#SPJ11

The interest rate being earned on the college education fund set aside by your parents 14 years ago is 8.51 percent. This rate of interest has resulted in the value of the fund increasing from $7,500 to $26,180 over the period.

The calculation of the interest rate is based on the concept of compound interest, where the interest earned is added to the initial principal amount, and subsequent interest is calculated on the new balance. Using the formula for compound interest, the rate can be determined as follows:

$26,180 = $7,500(1 + r/100)^14

Solving for the interest rate, r, gives a value of 8.51 percent. This means that the fund has been growing at a rate of 8.51 percent per year for the past 14 years. It is worth noting that the actual rate of return may vary due to factors such as fees, taxes, and market fluctuations, but the calculated rate provides a good estimate of the average growth rate of the fund.

To learn more about percent click here, brainly.com/question/31323953

#SPJ11

We can estimate that Cho will sell around 100 servings of kakigori on a day when the high temperature is 29° Celsius.

Based on the line of best fit for the data, we can estimate the number of servings of kakigori Cho will sell on a day when the high temperature is 29° Celsius.

From the scatter plot, we can see that the line of best fit is increasing as the temperature increases.

By estimating the value on the line of best fit for the temperature of 29° Celsius, we can approximate the number of servings sold. Based on the scatter plot, it appears that the number of servings sold is around 100 when the temperature is 29° Celsius.

Therefore, we can estimate that Cho will sell around 100 servings of kakigori on a day when the high temperature is 29° Celsius.

Learn more about Scatter Plot here:

https://brainly.com/question/29231735

#SPJ1

Answer:

a is 90

b is 90

Step-by-step explanation:

I'm not 100 percent sure about A but I think it is right

Answer:

a=5 b=7.07

Step-by-step explanation:

a(sin45)=5sin45

a=5sin45/sin45

a=5

bsin45=5sin90/45

b=7.07

To ensure that you have at least two cards with the same denomination, you would need to draw five cards.

This problem is a variation of the pigeonhole principle, also known as the birthday paradox. There are 13 denominations in a standard deck of cards (Ace, 2, 3, 4, 5, 6, 7, 8, 9, 10, Jack, Queen, King), and drawing five cards creates five pigeonholes. Since there are more pigeonholes than there are denominations, it is guaranteed that at least two of the cards will have the same denomination. To see this, note that drawing six cards will also guarantee two cards with the same denomination, since there would be six pigeonholes and only 13 denominations.

Learn more about Denominations here: brainly.com/question/15007690

#SPJ11

The area of the shaded region is  4 cm².

The area of the shaded region is calculated by applying Cavalieri's principle.

Cavalieri's principle states that if two three-dimensional objects have the same cross-sectional area along a height and the same height, then the figures have the same volume.

The area of the shaded figure is calculate as follows;

from the diagram the width of the shaded region = 2 cm

The height of the shaded region = 2 cm

Area = 2 cm x 2 cm = 4 cm²

Thus, the area of the shaded region is determined by considering Cavalieri's principle.

Learn more about area of shaded figure here: https://brainly.com/question/14989383

#SPJ1

Remember - SOH CAH TOA

cos(A) = adjacent / hypotenuse

adjacent = 5

sin(A) = opposite / hypotenuse

opposite = 12

hypotenuse = 13

tan(A) = opposite / adjacent

tan(A) = 12 / 5

Answer: tan(A) = 12/5

Hope this helps!

The measure of arc BED is:

180 degrees

The arc of a circle is the segment or part of the circumference of a circle. The measure of an arc is the angle at which the arc is subtended.

You will notice that AD is the diameter of the circle.

Since the measure of arc CD is 90°.

Thus, the measure of arc AB is:

90 - 52 =  38°

Arc ED = arc AB (vertically opposite angles are equal)

Therefore, the measure of Arc BED will be:

Arc BED = Arc BC + arc CD + arc ED

Arc BED = 52° +  90° +  38°

Arc BED = 180°

Learn more about arcs on:

brainly.com/question/31105144

#SPJ1

For the given function the answer is a + b = 3/2 + 9/2 = 12/2 = 6.

A function is an association between inputs in which each input has a unique link to one or more outputs.

To find the values of a and b, we can substitute the expressions for f(x) and g(x) into the equation g(f(x)) = 3x + 4 and solve for a and b.

We have:

g(f(x)) = 3x + 4

Substituting the expressions for f(x) and g(x), we get:

g(ax + b) = 3x + 4

Since g(x) = 2x - 5, we can replace g(ax + b) with 2(ax + b) - 5:

2(ax + b) - 5 = 3x + 4

Expanding and simplifying, we have:

2ax + 2b - 5 = 3x + 4

Rearranging terms, we get:

(2a - 3)x + (2b - 9) = 0

For this equation to hold for all values of x, the coefficient of x must be zero, and the constant terms must also be zero.

Therefore, we have the following system of equations:

2a - 3 = 0   (coefficient of x)

2b - 9 = 0   (constant term)

Solving these equations simultaneously, we find:

2a = 3   -->   a = 3/2

2b = 9   -->   b = 9/2

Therefore, a + b = 3/2 + 9/2 = 12/2 = 6.

Hence, a + b = 6.

Learn more about function on:

https://brainly.com/question/10439235

#SPJ4

The perimeter of the tree house floor is  27.62 meters and area of the tree house floor is 30 square meters.

To find the perimeter of the tree house floor, we need to add up the lengths of all four sides of the rectangular floor.

We can use the distance formula to calculate the length of each side:

Length of side AB =√(6-0)² + (4-4)²) = √(36) = 6 meters

Length of side BC =√(6-0)² + (-1-4)²) = √61 = 7.81 meters

Length of side CD = √(0-6)² + (-1-4)² = √61= 7.81 meters

Length of side DA = √(0-6)²+ (4-4)²) =√36= 6 meters

Therefore, the perimeter of the tree house floor is:

Perimeter = AB + BC + CD + DA

Perimeter = 6 + 7.81 + 7.81 + 6

Perimeter = 27.62 meters

To find the area of the tree house floor, we can use the formula for the area of a rectangle:

Area = base x height

The base of the rectangle is the length of side AB, which is 6 meters.

The height of the rectangle is the distance between points B and C, which is 4-(-1) = 5 meters. Therefore, the area of the tree house floor is:

Area = base x height

Area = 6 x 5

Area = 30 square meters

Hence, the area of the tree house floor is 30 square meters.

To learn more on Area click:

https://brainly.com/question/20693059

#SPJ1

Answer:

a + c = 90° because BC is a tangent to circle A, meaning that angle B is a right angle.

The equation of the line represented by the points on the graph is  (5x+16)/6.

line is a straight one-dimensional figure that does not have a thickness, and it extends endlessly in both directions.

To calculate the equation of the line represented by the points on the graph, we use the formula below

Formula:

From the points in the graph,

Given:

Substitute these values into equation 1

Learn more about lines here: https://brainly.com/question/29044610

#SPJ1

Using order of operations, we can simply solve this problem left to right.

When two numbers having the same base and also having exponents are multiplied, we add the exponents.

3^8 x 3^3 = 3^11

When two numbers having the same base and also having exponents are divided, we subtract the exponents.

3^11 / 3^2 = 3^9

Answer: 3^9

Hope this helps!

Hello

3⁸ x 3³ ÷ 3²

= 3⁸⁺³ ÷ 3²

= 3¹¹ ÷ 3²

= 3¹¹⁻²

= 3⁹

Answer:

not possible

Step-by-step explanation:

error

Answer:$7.50

Step-by-step explanation:The original cost of the sandals is $30 and the discount if is 75%.That means only 25% of the original cost of the sandals remain so we do 30x.25=$7.50

[tex]3(x - 2) - 2x < 18\\3x-6-2x < 18\\x < 24[/tex]

Answer: (a): 162 (b):

Step-by-step explanation: Since Mr.Siva had 54 cups sold which is 3/9 all we have to do is multiply 3/9 to the point where its a whole so 3/9 x 3 is 1, whatever we do with this fraction we do with the cups he sold, so 54 x 3 is 162. Since we know that he had a total of 162 cups, all we have to do is subtract how many cups he sold in the morning which was 54. So 162 - 54 is 108. Hope this help! :)

The radius and diameter of each measure to their approximation is as follows;

7) 14 km   8) 5 yards   9) 23 inches   10) 20 feet  11) 17.5 mm  12. 22.5 cm

13) 95feet²  14) 92.2 mm 15) 119.6 m  16)227 inches²

For each problem, we use the formulas;

Area of a circle: A = πr²

Circumference of a circle: C = 2πr or C = πd

a) Find the radius of a circle with an area of 615.75 square kilometers.

A = πr²

∴ r = √(A/π)  

√(615.75/π)

= 14 km

b) Find the diameter of a circle with a circumference of 15.71 yards.

C = πd

∴ d = C/π

15.71/π  = 5 yards

c) Find the diameter of a circle with an area of 415.48 square inches.

A = πr²

∴ r = √(A/π)

√(415.48/π) = 11.5 inches,

∴ d = 2r = 23 inches

d) Find the radius of a circle with a circumference of 125.66 feet.

C = 2πr

∴ r = C/(2π)

125.66/(2π) = 20 feet

e) Find the diameter of a circle with an area of 240.25 square millimeters.

sqrt(240.25/π) = 8.75 mm,

∴ d = 2r = 17.5 mm

f) Find the radius of a circle with a circumference of 45π centimeters.

45π/(2π) = 22.5 cm

g) Find the area of a circle with a circumference of 11π feet.

11π/(2π) = 5.5 feet,

A = πr² = π×(5.5)² = 95 feet²

h) Find the circumference of a circle with an area of 676 square millimeters.

A = πr²

∴ r = √A/π) =√(676/π) = 14.67 mm,

∴ C = 2πr = 2π×14.67 = 92.2 mm

i. Find the circumference of a circle with an area of 1,134.11 square meters.

√(1,134.11/π) = 19.03 m,

C = 2πr = 2π×19.03 = 119.6 m

j. Find the area of a circle with a circumference of 53.41 inches.

C = 2πr

∴ r = C/(2π) = 53.41/(2π) = 8.5 inches,

∴ A = πr² = π×(8.5)² = 227inches²

Find more exercises on finding radius and diameter:

https://brainly.com/question/9726946

#SPJ1

The X-Coordinate of 3 only represents a specific moment in time during the orbit and not necessarily the speed of the ISS at all times.

Since the graph is showing how fast the International Space Station (ISS) is traveling in orbit around the Earth, the x-coordinate of 3 likely represents a specific point in time or duration of the orbit.

To find out what the x-coordinate of 3 represents, we need to know the units of time on the x-axis. If the units are in minutes, then a value of 3 would represent 3 minutes. Similarly, if the units are in hours, then a value of 3 would represent 3 hours.

Assuming the units on the x-axis are in minutes, the point with an x-coordinate of 3 represents the speed of the ISS 3 minutes into its orbit. This means that at that point in time, the ISS was traveling at a speed of approximately 27,500 kilometers per hour.

It's important to note that the speed of the ISS can vary throughout its orbit, depending on factors such as altitude, atmospheric conditions, and changes in the orbit itself. Therefore, the x-coordinate of 3 only represents a specific moment in time during the orbit and not necessarily the speed of the ISS at all times.

To know more about Coordinate.

https://brainly.com/question/29660530

#SPJ11

Note the full question is

Representing Proportional Relationships

This graph shows how fast the International Space Station travels in orbit around Earth.

What is the meaning of the point with an x-coordinate of 3?