For a game show, Jared has to choose 1 of 8 boxes to win a prize. One of the boxes has a big prize, 3 boxes have a medium prize, 3 boxes have smaller prizes, and 1 box is empty. How confident should Jared be that whatever box he chooses, he will win a prize?

Answer:

432 square meters

Step-by-step explanation:

The lateral area means the area that's not the bases. We have to add up all the lateral faces.

2(big rectangle area) + 2(small rectangle area) = total lateral area

2(144) + 2(72) = total lateral area

total lateral area = 432 square meters

Answer:

432

Step-by-step explanation:

432

Answer: 1. C

2. B

Step-by-step explanation:)

The rotation rule describes the rotation about the origin in mathematics. The new coordinates of a point (x, y) after rotation can be determined using trigonometric functions. The angle of rotation can be calculated using the arc length formula.

In mathematics, the rule that describes rotation about the origin is referred to as the rotation rule or the radian rule. When a point (x, y) is rotated about the origin, the new coordinates (x', y') can be determined using the following formulas:

x' = x * cos(theta) - y * sin(theta)

y' = x * sin(theta) + y * cos(theta)

The angle of rotation can be calculated using the arc length formula:

Angle = (Arc Length / Circle Circumference) * 360 degrees

For example, if the arc length separating the two hands of a clock is 1.0 meter and the radius of the clock is 0.70 meters, the angle of rotation can be calculated as follows:

Angle = (1.0 / (2 * pi * 0.70)) * 360 = 81 degrees

Answer:

6 hours

Step-by-step explanation:

Please refer to the attached image for explanations

Answer:

the measure of angle x is 80

Step-by-step explanation:

Answer: 130 degree

Step-by-step explanation:

Given that

The distance from

Dallas to Charleston = 980 miles Charleston to Indianapolis = 595 miles,

Indianapolis to Dallas is 764 mies.

If Dallas and Charleston lie on the same latitude, find the bearing from Charleston to Indianapolis.

Let us use cosine formula to find the angle at Charleston

764^2 = 980^2+595^2-2(980)(595)cosØ

583696 = 1314425-1166200cosØ

-1166200cosØ = -730729

CosØ = 0.6266

Ø = 51.2

Let us also calculate the angle at Indianapolis by using sine rule

980/sinI = 764/sin 51.2

Reciprocal both sides

SinI/980 = sin 51.2/764

Sin I = 980 × sin52.1/764

Sin I = 0.9996

I = 88.5 degree

The bearing = 270 - ( 51.2 + 88.5)

= 270 - 140

= 130 degree.

In this exercise we have to use the knowledge of triangles to calculate the angle of this geometric figure, in this way we can say that:

130 degree

Given that the distance from dallas to Charleston and Charleston to Indianapolis and Indianapolis to Dallas, we can use the the cosine formula to find the angle at Charleston, so we have:

[tex]764^2 = 980^2+595^2-2(980)(595)cos\phi\\583696 = 1314425-1166200cos\phi\\-1166200cos\phi = -730729\\Cos\phi = 0.6266\\\phi = 51.2[/tex]

Let us also calculate the angle at Indianapolis by using sine rule:

[tex]980/sin\theta = 764/sin (51.2)\\Sin\theta/980 = sin 51.2/764\\Sin\theta = 980 * sin52.1/764\\Sin \theta = 0.9996\\\theta = 88.5 degree = 270 - ( 51.2 + 88.5)\\= 270 - 140\\= 130 degree.[/tex]

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Answer:

Each Exterior Angle = (360 degrees) ÷ (Number of Sides)

Each Exterior Angle = 360 / 30

Each Exterior Angle = 12 degrees

Step-by-step explanation:

The measure of each exterior angle of a regular 30-gon will be 12°.

Based on the information, it should be noted that the value of the total angles will be 360°.

Therefore, the measure of each exterior angle of a regular 30-gon will be:

= 360/30

= 12°

Therefore, the measure of each exterior angle of a regular 30-gon is 12°.

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The solution set is where the black dot is located, which is on the number 5.

The solution would be 5

Answer:

b and d

Step-by-step explanation:

Answer:

Row 2

Step-by-step explanation:

6+5+3+0+4=16

4+5+3+5+6=23

7+1+4+5+3=20

4+2+5+6+3=20

23 is bigger than all of those so it would be row two.

Answer:

Row 2

Explanation:

Answer: -2

Step-by-step explanation:

Because I know

Answer:

Exact Form:

x = 6 5 , 6

Decimal Form:

x = 1.2 , 6

Mixed Number Form:

x = 1  1 /5 , 6

Step-by-step explanation:

Move all terms to the left side and set equal to zero. Then set each factor equal to zero.

The value of x to this equation are as follows:

x = 6 or 6 /5

5x² - 36x + 36 = 0

-b ± √b² - 4ac / 2a

Using quadratic formula,

where,

a = 5

b = -36

c = 36

Therefore,

x = 36 ± √(-36)² - 4 × 5 × 36 / 2 × 5

x = 36 ± √1296 - 720 / 10

x = 36 ± √576 / 10

x = 36 ± 24 / 10

x = 36 + 24 / 10 or 36 - 24 / 10

x = 60 / 10  or 12 / 10

x = 6 or 6 / 5

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Answer: it will take the larger hose 37.5 minutes to fill the pool.

Step-by-step explanation:

Let t represent the number of minutes it will take the larger hose to fill the pool by itself. It means that the rate at which larger hose fills the pool per minute is 1/t

It takes the smaller hose twice as long to fill the swimming pool as it does the larger hose. It means that the number of hours it takes smaller hose to fill the pool is 2t and it fills it alone, then the rate at which it fills the pool per minute is 1/2t

By working together, they would work simultaneously and their individual rates are additive. It takes both hoses working together 25 minutes to fill the pool. It means that the rate at which they fill the pool together per minute is 1/25. Therefore,

1/t + 1/2t = 1/25

3/2t = 1/25

Cross multiplying, it becomes

2t = 3 × 25 = 75

t = 75/2 = 37.5 minutes

Final answer:

To find the time it takes for the larger hose to fill the pool alone, we set up an equation based on their combined work rate and solve for the larger hose's time, finding that it would take 75 minutes.

Explanation:

The question is about determining how long it will take for the larger hose alone to fill the pool, given that it takes twice as long for a smaller hose to complete the same task, and together they can fill the pool in 25 minutes. To solve this problem, let's denote the time it takes for the larger hose to fill the pool by itself as x minutes. Therefore, the smaller hose takes 2x minutes to fill the pool by itself.

Since the problem involves rates of work, we can use the formula Work done = Rate × Time. The rate can be considered as the portion of the pool filled per minute. So, the larger hose's rate is 1/x and the smaller hose's rate is 1/(2x). Working together, their combined rate is 1/25 of the pool per minute, following the equation 1/x + 1/(2x) = 1/25.

By solving this equation: 2/2x + 1/2x = 1/25 ⇒ 3/(2x) = 1/25 ⇒ x = 75. Therefore, it would take the larger hose 75 minutes to fill the pool by itself.

Final answer:

To write the expression 6(-5r-4)-2(r-7s-3) in standard form, distribute the numbers outside the parentheses across the terms within and combine like terms to get -32r + 14s - 18.

Explanation:

To write the expression 6(-5r-4)-2(r-7s-3) in standard form, we must distribute the numbers outside the parentheses to each term inside the parentheses and then combine like terms.

Distribute the 6: 6 × (-5r) = -30r and 6 × (-4) = -24, giving us -30r - 24.

Distribute the -2: -2 × r = -2r, -2 × (-7s) = +14s and -2 × (-3) = +6, giving us -2r + 14s + 6.

Combine the two resulting expressions: -30r - 24 - 2r + 14s + 6.

Combine like terms: The terms -30r and -2r combine to -32r, and the constants -24 and +6 combine to -18.

The standard form of the expression is -32r + 14s - 18.

Check the answer to see if it is reasonable.

Answer:

1.5 gm per cubic cm

Step-by-step explanation:

Volume of pyramid is given by formula = 1/3(area of base * height)

Given in problem

base area = 100 sq. cm

height= 6cm

therefore volume of the pyramid = 1/3(100*6) = 200 cubic cm

Formula of density is = mass of the body/ volume of the body

minimum weight of required paperweight = 300 gm

minimum density of paperweight = 300/200 = 1.5 gm per cubic cm

Answer:

1. Subtract starting value minus final value.

2.divide that amount by the absolute value of the starting value.

3. Multiplt by 100 to get a percent decrease.

4. if the percentage is negative, it means there was an increase and not an decrease

Answer:

Step-by-step explanation:

A percent of increase (or decrease) is a ratio of the amount of increase (or decrease) to the original amount. To find the percent of increase (decrease): Determine the amount of increase (or decrease). Divide this result by the given original amount.

Answer:

The likelihood that the professor's socks matched his pants on both days is 0.5625

Step-by-step explanation:

Total no. of pair of socks = 24

No. of black pairs = 18

We are given that  he selects one pair of socks on Monday and one on Tuesday. Since he has lots of clean socks in the drawer he does not do laundry.

So, It is  a case of replacement

He always wears black pants.

We are supposed to find he likelihood that the professor's socks matched his pants on both days i.e. Black socks both days.

So ,Probability of wearing black socks on Monday = [tex]\frac{18}{24}[/tex]

So ,Probability of wearing black socks on Tuesday =[tex]\frac{18}{24}[/tex]

So,the likelihood that the professor's socks matched his pants on both days = [tex]\frac{18}{24} \times \frac{18}{24}=0.5625[/tex]

Hence the likelihood that the professor's socks matched his pants on both days is 0.5625

Final answer:

The probability that the professor picks black socks on both Monday and Tuesday is 9/16.

Explanation:

The question asks about the probability that a professor will pick black socks on two consecutive days without doing laundry in between. With 24 pairs of socks, of which 18 pairs are black and 6 pairs are brown, we will calculate the likelihood of the professor picking black socks on both Monday and Tuesday.

First, the probability of picking black socks on Monday (first pick) is 18 black pairs divided by 24 total pairs, which simplifies to:

Since the socks are not washed between Monday and Tuesday, the number of socks available remains the same. Therefore, the probability of picking black socks again on Tuesday (second pick) is also 3/4.

To find the overall probability that the professor picks black socks on both days, we must multiply the probability of the first event by the probability of the second event. In this case:

The probability that the professor's socks matched his pants (picked black socks) on both days is 9/16.

Answer:

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Answer: the surface area of the larger cylinder is 16 times that of the smaller cylinder.

Step-by-step explanation:

The formula for determining the total surface area of a cylinder is expressed as

Total surface area = 2πr² + 2πrh

Where

r represents the radius of the cylinder.

h represents the height of the cylinder.

π is a constant

Considering the larger cylinder,

radius = 8 cm

Height = 12 cm

Therefore,

Total surface area = (2 × π × 8²) + (2 × π × 8 × 12)

= 128π + 192π = 320π

Considering the smaller cylinder,

Total surface area = 56π

radius = 8/4 = 2cm

Height = 12/4 = 3 cm

Therefore,

Total surface area = (2 × π × 2²) + (2 × π × 2 × 3)

= 8π + 12π = 20π

Ratio of the surface area of the larger cylinder to the smaller cylinder is

320π/20π = 16

Answer:

from original question:

Step-by-step explanation:

To determine the future value for the 401(k), we need to determine the amount contributed annually. It is stated that the amount the employee contributes to the fund is 9% of $45,624. $45,624(0.09) = $4,106.16 The employer contributes a maximum of 3% of the employee contribution. Therefore: $45,624(0.03) = $1368.72. Therefore, the total annual contribution is $5,474.88, giving a future value of $196,302.40. For the Roth IRA, the monthly contributions are $352.45 giving a future value of $152,636.09. Therefore, the 401(k) has a greater future value by $43,666.31.

The 401(k) has a greater future value by $43,666.31.

The worth of a current asset at some point in the future based on an estimated rate of growth is known as future value (FV).

To determine the future value for the 401(k), we need to determine the amount contributed annually.

It is stated that the amount the employee contributes to the fund is 9% of $45,624. $45,624(0.09) = $4,106.16

The employer contributes a maximum of 3% of the employee contribution. Therefore:

$45,624(0.03) = $1368.72.

Therefore, the total annual contribution is $5,474.88, giving a future value of $196,302.40.

For the Roth IRA,

the monthly contributions are $352.45 giving a future value of $152,636.09.

Therefore, the 401(k) has a greater future value by $43,666.31.

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Final answer:

To calculate the unit rate of candy per person, divide 7/8 pounds by 6 people, which results in 7/48 pounds per person. This is the unit rate in its simplest form.

Explanation:

To find the unit rate in pounds per person, we divide the total amount of candy, which is 7/8 pounds, by the number of people, which is 6.

Step 1: Determine the total weight of the candy: 7/8 pounds.

Step 2: Determine the number of people: 6 people.

Step 3: Divide the total weight by the number of people to get the unit rate:

   (7/8) pounds ÷ 6 = (7/8) ÷ (6/1) = 7/8 ÷ 6/1 = 7/8 ÷ 6 = 7/48 pounds per person.

Step 4: Simplify the fraction, if possible. In this case, the fraction 7/48 is already in simplest form.

The unit rate of candy per person is 7/48 pounds.

Final answer:

7/48 pounds per person is the simplest form for the unit rate of candy per person.

Explanation:

The student is asking how to determine the unit rate of candy distributed per person if 7/8 pounds of candy were split among 6 people.

Calculation of Unit Rate:

To find the unit rate, divide the total amount of candy by the number of people:

This is already the simplest form, so the unit rate is 7/48 pounds per person.

To convert the word form of the time to decimal form, add 10.00 and 0.62 to get the final number representation of 10.62 seconds.

To write the time of ten and sixty-two hundredths seconds as a number, we need to convert the word form into decimal form. The word form tells us that there are ten whole seconds and sixty-two hundredths of a second. To convert this to decimal form, we write 10 as 10.00 and 62 hundredths as 0.62. Then, we add the two decimal numbers together to get the final result: 10.00 + 0.62 = 10.62. Therefore, the number representation of the given time is 10.62 seconds.

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Answer:

Each subtraction expression represents the length of one leg of a right triangle with a hypotenuse of length

Step-by-step explanation:

Each subtraction expression x2 - x1 or y2 - y1 represents the length of a side of a right angled triangle. These length of sides are then used to calculate the resulting hypotenuse side using the Pythagorean theorem. In this case, the resulting hypotenuse is the length calculated.

Answer:

the answer is A)Each subtraction expression represents the length of one leg of a right triangle with a hypotenuse of length.

Step-by-step explanation:

took it on edge

Answer:

36 ft^2

Step-by-step explanation:

3^2*3^3=9+27=36

Answer:

36 ft^2

Step-by-step explanation:

There are 120 possible combinations of phone models, colors, and calling plans.

To calculate the number of possible combinations of phone models, colors, and calling plans, we need to multiply the number of choices for each category together. In this case, there are 4 phone models, 6 colors, and 5 calling plans. So the total number of combinations is 4 x 6 x 5 = 120.

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Final answer:

To write a coordinate geometry proof, first choose and plot your figures in a coordinate system, then use properties of the system to express geometric properties, apply Euclid's geometric axioms, perform algebraic manipulations, and compile these into a logical proof sequence.

Explanation:

Writing a coordinate geometry proof involves several logical steps that combine geometry with algebra. The aim is to use the properties and axioms of geometry, expressed in a coordinate system, to prove a geometric statement. Here's a simplified process:

Choose a coordinate system and plot the given geometric figures using the appropriate coordinates.

Use the properties of the chosen coordinate system to write expressions for geometric properties such as the lengths of sides, slopes of lines, and coordinates of midpoints or centroids.

Apply geometric axioms, such as those from Euclid's geometry, to relate different parts of the figure.

Carry out algebraic manipulations to show that a certain property holds, such as proving two sides are congruent or two angles are equal.

Compile the findings into a logical sequence to form the proof, stating clearly how the coordinate geometry demonstrates the property or theorem in question.

Throughout your proof, ensure you reference the correct coordinate systems and datum points, and be prepared to convert between coordinate systems if necessary, which can be crucial when applying different geometric axioms or properties.

Answer:

The volume in terms of π is 144 ft³

The volume rounded to the nearest tenth is 452.4 ft³

Step-by-step explanation:

The formula of the volume of a cone is V = [tex]\frac{1}{3}[/tex] π r² h , where r is its radius and h is its height

The formula of the area of a circle is A = π r²

∵ The area of the base of the cone is 36π ft²

- Equate the formula of the area of the circle by 36π to find r

∵ πr² = 36π

- Divide both sides by π

∴ r² = 36

- Take √ to both sides

∴ r = 6 ft

∵ The height of the cone is equal to twice the radius

∵ The radius of the cone is 6 ft

- Multiply 6 by 2 to find the height

∴ h = 2(6) = 12 ft

∴ The height of the cone is 12 ft

Substitute the values of h and r in the formula of the volume of the cone to find it

∵ V = [tex]\frac{1}{3}[/tex] π(6)²(12)

∴ V = 144 π ft³

∴ V = 452.3893421 ft³

- Round it to the nearest tenth

∴ V = 452.4 ft³

Answer:

the answer is 3.71

Step-by-step explanation:

Answer:

3.71428571429

Step-by-step explanation:

Answer:

Clare account balance after one year will be $164.80

Step-by-step explanation:

Interest = PRT/100

Principal P = $160, Rate r = 3%, and time t = 1 year

Interest = (160*3*1)/100

Interest =480/100

= $4.80

The total balance in Clare's account after 1 year will be $160 + $4.80

= $164.80

Answer:

7.5 gallons

Step-by-step explanation:

2^-3= 0.125

0.125*60= 7.5

Final answer:

The gas pump fills 7.5 gallons of gasoline in one minute.

Explanation:

If a gas pump fills 2-3 gallon of gasoline per second, we first need to understand how much that is in gallons. 2-3 is the same as 1/23 or 1/8. Therefore, the pump fills 1/8 gallon per second.

To find out how many gallons the pump fills in one minute, we multiply the amount filled per second by the number of seconds in a minute:

Gallons per minute = gallons per second × seconds per minute

Gallons per minute = 1/8 gallon/second × 60 seconds/minute

Gallons per minute = 60/8 gallons

By reducing this fraction, we get:

Gallons per minute = 7.5 gallons

Thus, the gas pump fills 7.5 gallons of gasoline in one minute.

Answer:

After 10 seconds

Step-by-step explanation:

In this problem, the height of the object after t seconds is described by the function

[tex]h(t)=-16t^2+144t+160[/tex]

where

160 ft is the initial height of the object at t = 0

+144 ft/s is the initial velocity

[tex]-32 ft/s^2[/tex] is the acceleration due to gravity (downward)

Here we want to find the time at which the object hits the ground, so the time t at which

[tex]h(t)=0[/tex]

Therefore we can write

[tex]-16t^2+144t+160 =0[/tex]

Simplifying (dividing each term by 16), we get

[tex]-t^2+9t+10=0[/tex]

This is a second-order equation in the form

[tex]ax^2+bx+c=0[/tex]

Which has solutions given by the formula

[tex]t_{1,2}=\frac{-b\pm \sqrt{b^2-4ac}}{2a}[/tex] (2)

Here we have:

a = -1

b = 9

c = 10

Substituting into (2) we find the solutions:

[tex]t_{1,2}=\frac{-9\pm \sqrt{9^2-4(-1)(10)}}{2(-1)}=\frac{-9 \pm 11}{-2}[/tex]

Which gives:

[tex]t_1=10 s\\t_2 =-1 s[/tex]

Since time cannot be negative, the only solution is

t = 10 seconds