Mathematics College

Isaac measured the time it took for some teams to complete an escape room game. He recorded their times in the table below. How many of the teams took less than 20minutes to complete the game? (Image: Image showing mathematical content for the question.)

Answers

Answer 1

32 is the number of teams took less than 20minutes to complete the game

Given that Isaac measured the time it took for some teams to complete an escape room game.

The times were recorded in the table

We have to find the number of teams which are less than 20minutes to complete the game

Number of teams took less than 20 minutes

=8+24

=32

Hence, 32 is the number of teams took less than 20minutes to complete the game.

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Related Questions

The profit equation for the sale of pressure cookers for the company Kitchen Masters is PP = −120pp2 + 19,800pp − 727,450. Which of the following is a sale price for the immersion blenders, p, that will allow Kitchen Masters to achieve a profit, P, of $89,300?

Answers

Where the above factors are given, a sale price of approximately $84 for the immersion blenders will allow Kitchen Masters to achieve a profit of $89,300.

Why is this so?

The profit equation for the sale of pressure cookers for the company Kitchen Masters is:

P = −120p² + 19,800p − 727,450

To find the sale price for the immersion blenders, p, that will allow Kitchen Masters to achieve a profit, P, of $89,300,

Let the profit equation = 89,300.

Now, we solve for p:

89,300 = −120p² + 19,800p − 727,450

Adding 727,450 to both sides:

816,750 = -120p² + 19,800p

Dividing both sides by -120:

-6,805 = p² - 165p

Rearrange the equation to make it Quadratic

p² - 165p + 6,805 = 0

Now we can solve for p using the quadratic formula:

p = (-b ± √(b² - 4ac)) / 2a

where a = 1, b = -165, and c = 6,805.

p = (-(-165) ± √((-165)² - 4(1)(6,805))) / 2(1)

p = (165 ± √((27,225 - 27220)) / 2

p ≈ 83.618 or p ≈ 81.382

Therefore, a sale price of approximately $84 for the immersion blenders will allow Kitchen Masters to achieve a profit of $89,300.

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(1000 8 13. DIG DEEPER A 4,500-gram bag of soil costs $3, and an 18-kilogram bag of soil costs $10. Which is the less expensive way to buy 18,000 grams of soil? Explain.

Answers

It is cheaper to buy 18-kilogram bag of soil. The cost of the 18-kilogram is $10 and the cost of the cost of the other option is $12.

What is the cheaper way of buying 18,000 grams of soil?

Cost of buying 18,000 grams of soil using the 4500 gram bag = (18,000 / 4,500) x $3 = $12

The second step is to convert 18 kilogram to grams.

1 kg = 1000 grams

18 x 1000 = 18,000 grams

18,000 grams cost $10.

Thus, it is cheaper to buy 18-kilogram bag of soil.

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What is the probability that
both events will occur?
Two dice are tossed.
Event A: The first die is a 3 or 4
Event B: The second die is a 1
P(A and B) = P(A) • P(B)
P(A and B) = [?]
Enter as a decimal rounded to the nearest hundredth.

Answers

The probability that both events occur is 0.06.

What is the probability of both events?

The probability that both events occur is calculated as follows;

P(A and B) = P(A) x P(B)

The probability of event A is;

P(A) = number of outcomes / total number of outcomes

P(A) = 2/6

P(A) = 1/3

The probability of event B is;

P(B) = number of outcomes / total number of outcomes

P(B) = 1/6

The probability of both events is;

P(A and B) = P(A) x P(B)

P(A and B) = (1/3) x (1/6)

P(A and B) = 1/18 = 0.06

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find the exact value of x 15 6

Answers

The exact value of x in the right triangle is 3√10

Finding the exact value of x in the right triangle

From the question, we have the following parameters that can be used in our computation:

Similar triangles

Using the theorem of corresponding sides in similar triangles, we have

x/15 = 6/x

When both sides of the equation are cross multplied, we have

x^2 = 90

Take the square root of both sides

So, we have

x = 3√10

Hence, the exact value of x is 3√10

Answers

The inequality is -8 < √74 < 9. A mathematical expression that's values on the left and right are not equal is referred to as having an inequality.

A mathematical expression that's values on the left and right are not equal is referred to as having an inequality. In essence, an inequality analyses any two values that demonstrates whether one is bigger than, less than, or neither greater nor equal to the other quantity. Numbers are compared using inequalities to determine a range of quantities that are contained inside the parameters of a variable.

Let A = √74

A² = 74

8² < A² < 9²

Hence, the inequality is -

8 < √74 < 9

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Katrina is building a wall around her backyard using bricks that are 18 inches long. The wall needs to be 36 feet, or 432 inches, long.

Answers

Katrina will need 24 bricks to build the wall around her backyard.

We have,

To determine the number of bricks needed for the wall, we need to divide the total length of the wall (432 inches) by the length of each brick (18 inches):

So,

Number of bricks = Total length of the wall / Length of each brick

Number of bricks = 432 inches / 18 inches

Number of bricks = 24 bricks

Therefore,

Katrina will need 24 bricks to build the wall around her backyard.

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The complete question:

Katrina is building a wall around her backyard using bricks that are 18 inches long. The wall needs to be 36 feet, or 432 inches, long.

Find the number of bricks needed to build around he backyard.

Willa sells cars. Last month, she had 124,000 dollars in sales. Her commission rate is 1.3 percent. How much did Willa earn for the month?

Answers

To find out how much Willa earned for the month, we need to multiply her sales by her commission rate.

Her commission rate is 1.3%, which can be written as a decimal as 0.013.

Multiplying her sales by her commission rate, we get:

0.013 * 124,000 = 1,612

Therefore, Willa earned $1,612 for the month.

what is half of 9min and 28 sec

Answers

Half of 9 minutes and 28 seconds is 4 minutes and 44 seconds.

Answer:

4 minutes and 44 seconds.

A combined total of $33,000 is invested in two bonds that pay 5% and 6.5% simple interest. The annual interest is $2,010.00. How much is invested in each bond?

Answers

Answer: $9,000 is invested in the 5% bond, and $24,000 is invested in the 6.5% bond.

Step-by-step explanation: x + y = 33,000 (the full sum contributed)

We too know that the yearly intrigued earned is $2,010.00, which is the whole of the intrigued earned from each bond. Utilizing the equation for basic intrigued:

intrigued = principal x rate x time

ready to calculate the intrigued earned from each bond:

0.05x (for the 5% bond)

0.065y (for the 6.5% bond)

So we have another condition:

0.05x + 0.065y = 2,010

Presently we have two conditions with two factors, which we are able illuminate utilizing substitution or end.

Let's utilize substitution:

x + y = 33,000 --> y = 33,000 - x

0.05x + 0.065y = 2,010 --> 0.05x + 0.065(33,000 - x) = 2,010

Streamlining:

0.05x + 2,145 - 0.065x = 2,010

-0.015x = -135

x = 9,000

So the sum contributed within the 5% bond is $9,000, and the sum contributed within the 6.5% bond is:

y = 33,000 - x = 33,000 - 9,000 = $24,000

is there another square other than the own drawn to make a reflective symmetry?

Answers

The square J scribbled in with red and black is what you should fill in.

. Amanda lets her new pony exercise by letting the pony run in circles while
attached to a rope, which Amanda holds in the center of the ring. If the part of
the rope between Amanda's hand and the pony is 30 feet long, how far does
the pony run in one circle. Round your answer to the nearest tenth. (Draw a sketch to help.

Answers

Answer:

188.5 ft

Step-by-step explanation:

One Circle = perimeter

= 2 nr

= 2 x 3.14 x 30

= 188.5 ft

23=-8v-7+2v????????????????????

Answers

Answer:

v=-5

Step-by-step explanation:

Answer:

[tex]23 = 10v - 7 \\ 23 + 7 = 10v \\ 30 = 10v \\ v = 3 \\ \\ [/tex]

Rotations : If the point (6,2) was on a figure that was rotated 180 degrees clockwise what would be the coordinates of the new point on this figure

Answers

The coordinates of the new point is (-6, -2)

What would be the coordinates of the new point

From the question, we have the following parameters that can be used in our computation:

Point = (6, 2)

Rule: 180 degrees rotation

The rule of 180 degrees rotation is

(x, y) = (-x -y)

substitute the known values in the above equation, so, we have the following representation

image = (-6, -2)

Hence, the image = (-6, -2)

Answers

The simplified value of 8y + 4 - 3y + 12 is 5y+16

What is simplification of expression?

An expression or algebraic expression is any mathematical statement which consists of numbers, variables and an arithmetic operation between them. For example , 4x+5 , 2x²+2, 10y³+5y²+6

To simplify an expression means to write the expression Ina simpler form. for example 6y²+2y can be written as 2y( 3y+1)

Simplifying 8y + 4 - 3y + 12,

collecting like terms

8y-3y+4+12

= 5y+16

therefore the simplification of 8y + 4 - 3y + 12 is 5y+16

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Darcy is tiling a square area of her bathroom floor. For every 13 white tiles used, she wants to use 12 gray tiles.

Answers

The ratio to show the relationship is 13 : 12

Writing the ratio to show the relationship

From the question, we have the following parameters that can be used in our computation:

For every 13 white tiles used, she wants to use 12 gray tiles.

This means that

Ratio = White : Gray

Substitute the known values in the above equation, so, we have the following representation

Ratio = 13 : 12

Hence, the ratio of white tiles and the number of gray tiles is 13 : 12

Answers

Answer:

Step-by-step explanation:

20.9 is solution

Can you help me answer this question?

How many different outfit combinations can San create with 3 shirts, 3 pants and 3 pairs of shoes.

Answers

27 outfits can be made
3x3x3=27

dr
15
3-
13 1
-6
-9
-12
-15
2 3 4 5
X
Which lists all of the x-intercepts of the graphed
function?
O(0.6)
O(1, 0) and (2, 0)
O(1, 0), (2, 0), and (-3, 0)
O(1.0), (2, 0), (-3,0), and (0, 6)

Answers

Answer:

not sure sorry -(1,0)and (2,0)

Everyone in the population must have an of being selected in order for a sample to be an

Answers

Answer: Everyone in your population must have an equal, non-zero chance of being selected. (In other words, everyone has an equal chance of receiving a survey.) You must know, specifically, what that chance of being selected is for each person.

Eating at the all-you-can-eat buffet at your favorite restaurant currently costs
$18.50, and increases in cost by 6% each year. What will this buffet cost in 6 years?
$26.24
$30.23
$27.13
$31.64

Answers

To find the cost of the all-you-can-eat buffet in 6 years, we need to calculate the price increase over 6 years. We can use the formula:

A = P(1 + r)^n

where A is the final amount, P is the initial amount, r is the annual interest rate as a decimal, and n is the number of years.

In this case, P = 18.50, r = 0.06, and n = 6. Plugging these values into the formula, we get:

A = 18.50(1 + 0.06)^6
A = 18.50(1.06)^6
A = 18.50(1.4185)
A = 26.23

Therefore, the cost of the all-you-can-eat buffet in 6 years will be approximately $26.23, which is closest to option A.

5.
(Time limit)

Tell me the domain
Tell me the range
Tell me whether the graph is a function or not.
The answer choices are below

Answers

The graph is a function.The domain is: all real values.The range is: y = -2.

When does a graph represents a function?

A graph represents a function if it has no vertically aligned points, that is, each value of x is mapped to only one value of y. Vertically aligned points mean that a value of x is mapped to multiple values of y, that is, a single input is mapped to multiple outputs which disqualify the relation as a function.

In this question, we have an horizontal line, meaning that it has a constant y-coordinate for each value of the y-input. Hence the graph represents a function.

For the domain and the range, we have that:

The domain is: all real values -> values of x of the graph.The range is: y = -2 -> only value of y on the graph.

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2 Mike and Anna are having a weight loss competition. Mike wants to practice kickboxing to burn calories while Anna
prefers to run. Mike records his calories burned in the table below and Anna graphs her calories burned in the graph.
Who burns more calories per hour?
Anna's Calories Burned:
Running
A. Mike and Anna burn the same amount
of calories per minute
B. Mike burns more calories per minute
thank Anna.
C. Anna burns more calories per minute
than Mike.
D. There is not enough information
to determine who burns more calories
per minute.
Mike's Calories Burned:
Kickboxing
Minutes
0
12
24
36
Calories
0
150
300
450
Calories Burned
y
500
450
400
350
300
250
200
150
100
50
5
10 15 20 25 30 35
Minutes
40 45
50

Answers

Based on the information regarding the data, B. Mike burns more calories per minute than Anna

How to explain the data

The calorie consumption of Mike was between 12.5 and 16.67, averaging out at nearly 13.75 per minute.

In contrast, Anna burned around 13.33 each minute.

So the answer is B - Mike burns more calories per minute than Anna.

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Suppose log 2 = r, log, 3= s, and log 5 = t. Which algebraic expression represents log 75?

Answers

log(75) = log( 3 • 5 • 5 )

= log(3) + log(5) + log (5)

= s + t + t

= s + 2t

To go from log( 3 • 5 • 5 ) to log(3) + log(5) + log (5), we use the log rule that says log( a • b ) = log(a) + log(b).

What is the area of this triangle?

Enter your answer as a decimal in the box. Round only your final answer to the nearest tenth.

Answers

The calculated area of this triangle is 43.50 sq units

What is the area of this triangle?

From the question, we have the following parameters that can be used in our computation:

The triangle

The area of the triangle is calculated as

Area = 1/2 * Product of adjacent legs * sin of middle angle

Substitute the known values in the above equation, so, we have the following representation

Area = 1/2 * 12 * 8 * sin(65)

Evaluate

Area = 43.50

Hence, the area is 43.50 sq units

Answers

Answer: 76 cubic feet

Step-by-step explanation:

Think about breaking it into two rectangular prisms:

Total volume = Volume of longer prism + volume of shorter prism

Total volume = 8x4x2 + 2x2x3

Total volume = 76 cubic feet

The Answer is 76ft.

Mona pays $1.00 for the first call of the day on her mobile phone plus $0.15 per minute of the call. She paid $2.95 for her first call today. Write an expression that you could use to calculate the length in minutes of the phone call.

Answers

The requreid Mona's phone call was 13 minutes long.

Let's let the variable "m" represent the length of the phone call in minutes.

We know that Mona pays $1.00 for the first call of the day plus $0.15 per minute of the call. So the total cost of the call can be represented by the expression:

$1.00 + $0.15m

We also know that Mona paid $2.95 for her first call today. So we can set the expression for the total cost of the call equal to $2.95:

$1.00 + $0.15m = $2.95

To solve for the length of the call in minutes, we can first subtract $1.00 from both sides of the equation:

$0.15m = $1.95

Then we can divide both sides by $0.15:

m = 13

Therefore, Mona's phone call was 13 minutes long.

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Lenny bought a motorcycle. He paid 10.5% in tax. The Tax added $1260 to the price of the motorcycle.

What is the price of the motorcycle not including tax?

Answers

The price of the motorcycle not including tax will be $12,000.

Given that:

Lenny bought a motorcycle. He paid 10.5% in tax.

The percentage is given as,

Percentage (P) = [Tax] / Initial value x 100

The price of the motorcycle not including tax is calculated as,

10.5 = (1260 / Initial value) x 100

0.105 = 1260 / Initial value

Initial value = 12,000

The price of the motorcycle is $12,000.

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PLEASE HELP ITS URGENT ILL GIVE YOU BRAINLIEST.

The following are daily high temperatures (°F) in Auckland, New Zealand: 75 67 83 90 79 74 70 71 72 78 76 67 66 80 77 77 84 74

Using the data above, make a box-and-whisker plot. If the set has outliers, use an * to show them.

if you answer as a troll I will report

Answers

Answer: The box goes from Q1 to Q3, with the middle spoken to by a line interior the box at Q2. The bristles expand from the box to the least and most extreme values. There's one exception, spoken to by an bullet (*), at the esteem of 90.

Step-by-step explanation: box and whisker plot:

90 ---| *

84 ---|

83 ---|

80 ---|_____

79 ---| |_____

| | |

76 ---| | |

| | |

72 ---|_____| |

71 ---| |

70 ---|___________|

66 75

2. A gift is packed in a rectangular box (rectangular prism) of dimensions 15 in, 10 in, and 8 in and it needs to be wrapped with gift paper. How much gift paper is required to wrap the gift box?
length= 5 in , width= 4 in, height= 3 in

Answers

length, l=16in

width, b=13in

thickness, t=3in

To Find:-

Area of wrapping paper required.

Explanation:-

Since, wrapping paper is to be wrapped over the whole rectangular box.Therefore, we have to calculate the total surface area of the rectangular box.

Therefore, 590 of paper is required to wrap the whole rectangular box.

Answer:

=700 sq in
= 94 sq in

Step-by-step explanation:

To find the amount of gift paper required to wrap the gift box, we need to find the total surface area of the rectangular prism. The total surface area is the sum of the areas of all six faces of the rectangular prism.

The formula for the surface area of a rectangular prism is:

Surface area = 2lw + 2lh + 2wh

where l, w, and h are the length, width, and height of the rectangular prism, respectively.

For the given rectangular prism with dimensions 15 in, 10 in, and 8 in, we have:

l = 15 in, w = 10 in, h = 8 in

Substituting these values into the formula, we get:

Surface area = 2(15)(10) + 2(15)(8) + 2(10)(8)
Surface area = 300 + 240 + 160
Surface area = 700

Therefore, the amount of gift paper required to wrap the gift box is 700 square inches.

For the second part of the question, we need to find the surface area of the rectangular prism with dimensions 5 in, 4 in, and 3 in. Using the same formula, we have:

l = 5 in, w = 4 in, h = 3 in

Surface area = 2(5)(4) + 2(5)(3) + 2(4)(3)
Surface area = 40 + 30 + 24
Surface area = 94

Therefore, the amount of gift paper required to wrap the second gift box is 94 square inches.

During certain time periods at a hospital, patients arriving at the emergency room have waiting times that are uniformly distributed between 0 and 7 minutes. Assume that a patient is randomly selected, and find the probability that the waiting time is less than 0.75 minutes. (Round to three decimal places)

Answers

Since the waiting times are uniformly distributed between 0 and 7 minutes, the probability density function (PDF) of the waiting time is:

f(x) = 1/7 for 0 ≤ x ≤ 7

0 otherwise

To find the probability that the waiting time is less than 0.75 minutes, we need to integrate the PDF from 0 to 0.75:

P(X < 0.75) = ∫[0,0.75] f(x) dx

P(X < 0.75) = ∫[0,0.75] 1/7 dx

P(X < 0.75) = [1/7 * x] [0,0.75]

P(X < 0.75) = 1/7 * 0.75

P(X < 0.75) = 0.1071

Therefore, the probability that the waiting time is less than 0.75 minutes is 0.1071 (rounded to three decimal places).

Other Questions

After he arrives at the human village for the first time, where does Mowgli insist on sleeping at bedtime?answer choicesA. in the main roomB. by himself in a bedC. in bed with the other childrenD. outside 60 yo F c/o left arm pain that started while she was swimming and was relieved by rest. What is the most likely diagnosis? 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The modified endurance limit is Se=200MPa.Find the design factor for infinite life using DE-Goodman criterion. Also check for first cycle yielding by calculating the yield safety factor. Use Newton's method to find the root of f(a), starting at x = 0. Compute X1 and 22. Please show - your work and do NOT simplify your answer Discuss with your counselor the importance of signs, signals, and codes, and why people need these different methods of communication. What literary element is used when Helmer refers to Nora's father, and what does Helmer say about the father? 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(because the angle is small, the back and forth swings do not cause any appreciable change in the length of the spring.) consider the following method: public int mystery(int n) { if(n > 4) { return 1 mystery(n - 1); } return n % 3; } what is the value of mystery(8)?Question 1 options:1)22)33)44)55)9 The domain .gov is a(n):a. Internet root domain.b. top-level domain.c. host domain.d. network domain.e. third level domain. Mary purchased one asset equipment - for her business during the year on January 6, 2021. The assets cost was $1,850,000. The property will be depreciated over ten years on a straight-line basis. Assuming Mary makes a Section 179 election, what is her total 179 expense plus depreciation expense on this asset during 2021?$185,000$1,050,000$1,090,000$1,123,000 What is the length of BD Question 3 of 10Which of the following best describes an empirical formula?OA. A chemical formula that identifies the oxidation state of eachelementOB. A chemical formula that lists the percent composition of eachelementOC. A chemical formula that uses the numbers of atoms of eachelement as they actually occur in a moleculeD. A chemical formula that shows the relative number of each type ofatom in a molecule, using the smallest possible ratio SSS: Cut three pieces of string. Make each piece of string the length of one of the sides of the original triangle. Put the string together to form a triangle and trace the triangle on a separate piece of paper. Measure the angles of the triangle with your protractor. Answer the following questions in your math journal: Are the lengths of the sides and the measures of the angles of the triangle you created the same as the original triangle? Rearrange the string to make a different triangle. Is there any way to create a triangle that has different angle measures? SAS: Choose two sides of the original triangle. Cut two pieces of string and make each piece of string the length of one of those sides. Measure out the angles at both endpoints of the side that you chose. Draw the angles with the given measurements. Put the string together to form the sides of that angle and trace them. Draw in the third side of the triangle. Measure the third side that you drew and the two angles adjacent to that side. Answer the following questions in your math journal: Are the lengths of the sides and the measures of the angles of the triangle you created the same as the original triangle? Draw the starting angle elsewhere on your paper and rearrange the string to make a different triangle. Is there any way to create a triangle whose third side has a different length? ASA: Choose one side of the original triangle. Cut one piece of string and make the piece of string the length of that side. Trace the string on a separate sheet of paper. Measure out the angles at both endpoints of the side that you chose. Draw the angles with the given measurements. Extend the sides of the angles until they intersect and form a triangle. Measure the two sides that you drew and the angle between them. Answer the following questions in your math journal: Are the lengths of the sides and the measures of the angles of the triangle you created the same as the original triangle? Rearrange the string and re-draw the two starting angles to make a different triangle. Is there any way to create a triangle that has different side lengths? Which graph represents the solution to this system of equations? 2x+2y=6 2x+4y=12 Solve (4-2x) (3+5x) using the foil method