Romi and her friends ran in a terrain race. Their distance, in miles, from the starting line over time, in minutes, is shown on the graph.
Which of the following descriptions could represent the graph?
From the starting line, Romi ran 4 miles in 40 minutes, rested for 20 minutes, jogged back 2 miles toward the starting line in 40 minutes, rested for 20 minutes, and walked the last 2 miles back to the starting line.
From the starting line, Romi ran 4 miles in 40 minutes, rested for 40 minutes, jogged back 1 mile toward the starting line in 20 minutes, rested for 20 minutes, and jogged the last 3 miles back to the starting line.
From the starting line, Romi ran 2 miles in 20 minutes, rested for 20 minutes, jogged 2 more miles away from the starting line in 40 minutes, rested for 40 minutes, and jogged the last 4 miles back to the starting line.
From the starting line, Romi ran 2 miles in 20 minutes, rested for 40 minutes, jogged 1 more mile away from the starting line in 40 minutes, rested for 20 minutes, and jogged the last 4 miles back to the starting line.
Answers
Answer:
option c is the correct answer
Related Questions
Jaden made a rectangular sign that is 1.4 meters long and 1.2 meters wide to post on the wall of his store. How many square meters of wall does the sign cover? The answer is 1.68, but to solve the problem, you need to find 1.4 x 1.2(which it is 1.68). Estimate the area of wall that the sign will cover. Explain your thinking please.
Answers
First, we can round the dimensions of the sign to the nearest whole number to make the multiplication easier. Rounding 1.4 to 1 and 1.2 to 1, we can estimate that the sign covers approximately 1 square meter of wall.
This estimation assumes that the sign is placed directly on the wall with no gaps or overlaps. In reality, the actual area of wall covered by the sign may be slightly larger or smaller depending on the installation method and any spacing between the sign and the wall.
It's important to note that while estimation can be useful for getting a rough idea of the answer, it's not always accurate and should not be relied upon for precise calculations. In this case, using the actual dimensions of the sign to find the area of the wall covered (1.4 x 1.2 = 1.68 square meters) gives a more accurate result.
graph f(x)=|x+1|+3 then find the domain and range
mainly looking at how id find the coordinates!
Answers
Domain is all real numbers. Range is
Step-by-step explanation:
The function is a transformation of the parent function by moving the function up by 3 units.
So, the graph of the function is shown below.
From the graph, it is clear that the values has no limitation and hence can take any real values. Domain is the set of all possible values.
So, domain is the set of all real numbers.
Range is the set of all possible values for for the given domain.
From the graph, the minimum value of is at the point (. So, the minimum value of y is 3. The value then goes on increasing towards infinity.
Therefore, range is a real number greater than or equal to 3.
So, range is or
There are 10 brown, 10 black, 10 green, and 10 gold marbles in bag. A student pulled a marble, recorded the color, and placed the marble back in the bag. The table below lists the frequency of each color pulled during the experiment after 40 trials..
Outcome Frequency
Brown 13
Black 9
Green 7
Gold 11
Compare the theoretical probability and experimental probability of pulling a green marble from the bag.
Choice A: The theoretical probability, P(green), is 50%, and the experimental probability is 11.5%.
Choice B: The theoretical probability, P(green), is 25%, and the experimental probability is 25%.
Choice C: The theoretical probability, P(green), is 25%, and the experimental probability is 17.5%.
Choice D: The theoretical probability, P(green), is 50%, and the experimental probability is 7.0%.
PLEASE HELP ASAP!!!!!!!
Answers
The bag contains a total of 40 marbles, and 10 of them are green. Therefore, the theoretical probability of pulling a green marble is:
P(green) = 10/40 = 1/4 = 0.25 = 25%
To calculate the experimental probability of pulling a green marble, we can use the frequency table given in the problem. Out of the 40 trials, a green marble was pulled 7 times. Therefore, the experimental probability of pulling a green marble is:
Experimental probability of pulling a green marble = Frequency of green marbles / Total number of trials
= 7/40
= 0.175
= 17.5%
Therefore, the correct answer is Choice C: The theoretical probability, P(green), is 25%, and the experimental probability is 17.5%.
What is the surface area of the cylinder represented by the net? Apply the formula SA = 2B + Ph. Use π as part of your answer.
Answers
Answer:
128π
Step-by-step explanation:
SA = 2B + Ph = 2πR² + 2πRh = 2π.16 + 2π.4.12 = 128π
PLS HELP ASAP WILL MARK BRAINLIEST
Triangle ABC ~ triangle DEF. Use the image to answer the question.
Answers
Answer:
3.3/11 = DF/7.6
DF = (3.3 × 7.6)/11 = 2.28
Please help i'm so confused
Answers
Answer:
2/3
Step-by-step explanation:
because 1 1/2 x 2/3 = 2 1/4
Answer:
1 1/2 = 3/2
2 1/4 = 9/4
3/2 divided by 9/4 = 3/2 multiplied by 4/9 = 2/3
EXPLANATION : when we have 2 fractions and we have to divide them , we have to reverse the fraction that we are dividing by and multiply it. sometimes we can simplify the fractions , sometimes we can't. for example , with 3/2 multiplied by 4/9 we simplified 3 and 9 and the 2 and the 4 which left us with 1/1 ( 1 ) multiplied by 2/3 , which gave us the answer 2/3 .
Hope I helped!
Use the image to determine the direction and angle of rotation.
270° clockwise rotation
270° counterclockwise rotation
90° clockwise rotation
180° clockwise rotation
Answers
PLS HELP ASAP!! WILL GIVE BRAINLIEST!!!
The table below shows the change in price of a particular share on the stock market.
Daily share price changes
Day Daily change (In dollars)
1 +2.75
2 -4.375
3 +0.875
4 -2.5
Part A: By how did the price of the share change from the start of day 1 to the end of day 4?
Part B: At the end of day 4 the price of the share is $102.85. What was the price of the share at the start of day 1?
Answers
Answer:
Part-a: The price of the share decreased by $3.25 from the start of day 1 to the end of day 4.
Part-b: The price of the share at the start of day 1 was $106.10.
Step-by-step explanation:
Part A: To calculate the change in price from the start of day 1 to the end of day 4, we need to add up all the daily changes. The daily changes given are:
Day 1: +2.75
Day 2: -4.375
Day 3: +0.875
Day 4: -2.5
Adding these values together:
Change = 2.75 - 4.375 + 0.875 - 2.5 = -3.25
The price of the share decreased by $3.25 from the start of day 1 to the end of day 4.
Part B: To find the price of the share at the start of day 1, we need to subtract the total change from the given price at the end of day 4.
Price at the end of day 4 = $102.85
Total change = -3.25
Price at the start of day 1 = Price at the end of day 4 - Total change
= $102.85 - (-3.25)
= $102.85 + 3.25
= $106.10
Therefore, the price of the share at the start of day 1 was $106.10.
Please help me this is due today
Answers
a) The predicted heating cost for a month with temperature of 25 ºF is given as follows: $65.70.
b) The predicted heating cost for a month with temperature of 0 ºF is given as follows: $96.20
c) For an increase of one degree Fahrenheit, the predicted decrease in the cost is of $1.22.
How to define a linear function?The slope-intercept representation of a linear function is given by the equation presented as follows:
y = mx + b
The coefficients of the function and their meaning are described as follows:
m is the slope of the function, representing the change in the output variable y when the input variable x is increased by one.b is the y-intercept of the function, which is the initial value of the function, i.e., the numeric value of the function when the input variable x assumes a value of 0. On a graph, it is the value of y when the graph of the function crosses the y-axis.The slope and the intercept for the function in this problem are given as follows:
Slope of -1.22, meaning that for an increase of one degree Fahrenheit, the predicted decrease in the cost is of $1.22.Intercept of 96.2, meaning that the predicted heating cost for a month with temperature of 0 ºF is of $96.20.Hence, the predicted cost for a month with temperature of 25ºF is given as follows:
y = -1.22(25) + 96.20 = $65.70.
More can be learned about linear functions at https://brainly.com/question/24808124
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Answer needed by 1:30-2:30pm
Answers
Answer:
The answer is 78
Step-by-step explanation: Well, first thing I did was cut into two shapes so a square and a rectangle and 3 x 2 = 6 and 9 x 8 = 72 and 72 +6 = 78
Answer:
78
Step-by-step explanation:
3 x 2= 6
9 x 8 = 72
72 + 6 = 78
1. What is the distance from the hazard buoy P to the southern landmark L2? Use this formula: , where d is the distance from P to L2, DL2 is the distance from D to L2, and PD is the distance from P to D. Round to the nearest foot. (5 points)
2. What triangles are similar? How do you know? (5 points)
3. What is the distance between buoy A and B? (5 points)
Answers
Answer:
My fault i need points
Step-by-step explanation:
Can someone help me and answer this
Answers
The new equation would be m=60(1)
Then you just solve for m to find how many minutes and the answer is 60.
Bo practices 60 minutes per day.
A new physical therapy is being tested in an experimental setting to see if the new methods reduce the recovery time for patients who recently underwent surgery for a torn ACL, a ligament in your knee. To do this, the researchers in the study first performed intake on participants by observing their Body Mass Index (BMI) and had them take a survey to describe their diet and their exercise habits.
Then, the participants were split into three groups: the first group received no physical therapy, the second group received traditional physical therapy, and the third group received the new experimental physical therapy.
The group which receives no physical therapy would best be described as which of the following?
Explanatory Variable
Response Group
Control Group
Experimental Unit
Answers
Answer: The group which receives no physical therapy would best be described as the Control Group.
In an experimental study, the control group is a group of participants who do not receive the treatment being tested. They are used as a basis for comparison to evaluate the effectiveness of the treatment. In this case, the researchers are testing whether the new physical therapy reduces the recovery time for patients who underwent surgery for a torn ACL. The control group allows the researchers to compare the recovery time of patients who received no physical therapy to those who received either traditional or experimental physical therapy.
Step-by-step explanation:
Five balls, A, B, C, D, and E, weigh 30g, 50g, 50g, 50g, and 80g each. Which ball weighs 30g?
Answers
Answer:
A weighs 30 because it is always on the higher side
Question 21: A box covers an area of 8 3/4 in. squared when resting on its base. The volume of the box is 74 3/8 in. cubed. Can you find the surface area of the box? Explain.
Answers
The area of the circle is 9/64π square units. The radius of a circle is blank units. The circumference of the circle is blank units.
*One radius and one circumference*
a. 9/32
b. 3/8
c. 3/4
d. 9/32π
e. 3/8π
f. 3/4π
Answers
Answer:
C = 2π(3/8) = 3π/4 units
Step-by-step explanation: The area of the circle is given by the formula A = πr^2, where A is the area and r is the radius.Therefore, 9/64π = πr^2Simplifying, we get:r^2 = 9/64Taking the square root of both sides, we get:r = 3/8The circumference of a circle is given by the formula C = 2πr, where C is the circumference and r is the radius.Therefore, the circumference of the circle is:C = 2π(3/8) = 3π/4 units
Which statement is true
Answers
Answer: The answer is B
Step-by-step explanation:
The statement which is true include the following: C. function 2 is the only nonlinear function.
What is a linear function?In Mathematics and Geometry, a linear function refers to a type of function whose equation is graphically represented by a straight line on the xy-plane or cartesian coordinate.
This ultimately implies that, a linear function has the same (constant) slope and it is typically used for uniquely mapping an input variable to an output variable, which both increases simultaneously.
In this context, we can logically deduce that function 2 is a quadratic function and as such, it is the only nonlinear function.
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Fill in table.
It takes Shaun 90 minutes to complete a 15 mile race. Assume Shaun runs at a constant rate during the race. Complete the table to show Shaun’s time, in minutes, and distance, in miles, at each checkpoint.
Answers
Answer:
Step-by-step explanation:
Checkpoint A - 18 mins
Checkpoint B - 5 miles
Checkpoint C - 51 mins
Checkpoint D - 12.5 miles
hope it helps sorry if it's wrong
I need some more help over here T-T
Answers
Answer:
2.1) k and f ; h and m
2.2) b and c ; a and d
2.3) m = 31 °
2.4) d = 121°
Step-by-step explanation:
The diameter of a child's bicycle wheel is 18 inches. Approximately how many revolutions of the wheel will it take to travel 1,700 meters? Use 3.14 for π and round to the nearest whole number. (1 meter ≈ 39.3701 inches)
A. 3,925 revolutions
B. 2,368 revolutions
C. 1,184 revolutions
D. 94 revolutions
Answers
18 inches = 0.4572 meters (dividing by 39.3701)
The circumference of the wheel can be calculated using the formula C = πd, where d is the diameter of the wheel.
C = π(0.4572) = 1.4368 meters (using 3.14 for π)
Now we can find the number of revolutions needed to travel 1,700 meters.
Distance covered by one revolution = circumference of the wheel = 1.4368 meters
Number of revolutions = distance to be covered / distance covered by one revolution
Number of revolutions = 1,700 / 1.4368 = 1,183.52
Rounding to the nearest whole number, we get the answer as C. 1,184 revolutions.
PLS HELP ASAP! WILL GIVE BRAINLIEST!!! Jason rode his bike in a sprint trial for 15 minutes and complicated a distance of 9 3/4 miles. In his second sprint trial he rode for 20 minutes and completed a distance of 12 2/3 miles.
What is the difference in his speed in miles per hour between the two sprint trials?
(A) The first trial was 3 miles per hour slower.
(B) The first trial was 3 miles per hour slower.
(C) The second trial was 1 mile per hour faster.
(D) The second trail was 1 mile per hour slower.
Answers
Dont understand need explanations ASAP and answer
Answers
Answer:
e = 31.90h
Step-by-step explanation:
606.10/ 19 = 13.90
733.70/23 = 31.90
861.30/27 = 31.90
We can see from the table that the hourly rate is $31.90. You can take any number of h hours and multiply that by 31.902 to find the total earned.
Helping in the name of Jesus.
Because you add all and divid
Data was collected on the amount of time that a random sample of 8 students spent studying for a test and the grades they earned on the test. A scatter plot and line of fit were created for the data.
Determine the equation of the line of fit.
y = 5x + 60
y = 5x + 70
y = 10x + 60
y = 10x + 70
Answers
Let's look at the graph and pick two points, (2, 70) and (4, 80) and use slope formula, y2 - y1 / x2 - x1
80 - 70 / 4 - 2
10 / 2
5
The slope of this line is 5.
To find the y-intercept, we look where the line crosses through the y-axis or the vertical line.
The y-intercept is (0, 60) or 60
If we plug these numbers into slope-intercept form, we get y = 5x + 60
Your answer is y = 5x + 60
help me on thi it due in 4 hours btw please help me
Answers
Answer:
3
Step-by-step explanation:
the formula for the area of a rectangle is length x width, and so you do 3/5 x 5, which ends up as 15/5, since 5 is also 5/1. Then you get 3 as the area of the rectangle's area.
Answer:
3 ft
Step-by-step explanation:
3/5 x 5 = 15/5
15 / 5 = 3
Please Help me i really need to pass this!
Answers
Answer: I must say it's (0,3)
Step-by-step explanation: The two lines meet at (0,3) so it's (0,3).
Hope it helps! :D
Please help
I need help on these two
Answers
Answer:surface area of pyramid is 118.80
And the volume of the cube is 1000
Step-by-step explanation:explain on picture
Answer:169.92 cm^2
Step-by-step explanation:
The base is 7.2 x 7.2 (This equals 51.84)
The area of one triangle is 29.52
There are 4 triangles with the same side lengths so you multiply 29.52 x 4.
This would equal 188.08.
Then you add everything together.
This equals 169.92 cm^2.
Answer:1,000 m^3
The formula for volume is hlw.
One of the side lengths of the cube is 10.
If the height, length, and width are ten, then you multiply them all together.
This would give you 1,000.
PLEASE HELP `30 points!!!!
Solve and show your work for each question.
Note: Remember per the rule of 9s if you have a repeating and non-repeating component you need to handle them separately.
What is 0.65 expressed as a fraction in simplest form?
What is 2.¯5 expressed as a fraction in simplest form?
What is 1.0¯24 expressed as a fraction in simplest form?
Answer:
Part A)
Part B)
Part C)
Answers
Answer:
Step 1: Write down the decimal as a fraction with the decimal number as the numerator and 1 as the denominator.
Step 2: Multiply both the numerator and denominator by 10^n, where n is the number of digits after the decimal point.
Step 3: Simplify the resulting fraction.
Using these steps, we can convert the given decimal numbers to fractions:
0.65
Step 1: 0.65 = 65/100
Step 2: Multiply numerator and denominator by 10 to get rid of the decimal point: 65/100 = 650/1000
Step 3: Simplify by dividing numerator and denominator by their greatest common factor of 50: 650/1000 = 13/20
Therefore, 0.65 expressed as a fraction in simplest form is 13/20.
2.¯5
To handle repeating decimal numbers, we can use the following method:
Step 1: Let x be the repeating decimal number.
Step 2: Multiply both sides of x by 10^n, where n is the number of digits in the repeating part of the decimal number.
Step 3: Subtract the original number from the number obtained in step 2 to eliminate the repeating part.
Step 4: Solve for x by dividing both sides of the equation obtained in step 3 by an appropriate factor.
Step 1: Let x = 2.¯5
Step 2: Multiply both sides by 10: 10x = 25.¯5
Step 3: Subtract the original equation from step 1: 10x - x = 25.¯5 - 2.¯5
Simplifying: 9x = 23
Step 4: Solve for x by dividing both sides by 9: x = 23/9
Therefore, 2.¯5 expressed as a fraction in simplest form is 23/9.
1.0¯24
Step 1: Let x = 1.0¯24
Step 2: Multiply both sides by 10^2 to eliminate the repeating part: 100x = 124.¯24
Step 3: Subtract the original equation from step 1: 100x - x = 124.¯24 - 1.0¯24
Simplifying: 99x = 123
Step 4: Solve for x by dividing both sides by 99: x = 123/99
We can simplify this fraction by dividing both the numerator and denominator by their greatest common factor of 3: 123/99 = 41/33.
Therefore, 1.0¯24 expressed as a fraction in simplest form is 41/33.
Step-by-step explanation:
0.65 expressed as a fraction in simplest form is 13/20.
2.5 expressed as a fraction in simplest form is 5/2.
1.024 expressed as a fraction in simplest form is 256/250.
What is the simplified form of the expressions in fraction?0.65 expressed as a fraction in simplest form:
Write the decimal as a fraction by placing it over 1. In this case, 0.65 becomes 0.65/1.
Remove the decimal by multiplying both the numerator and the denominator by a power of 10 that will eliminate the decimal.
In this case, multiplying by 100 will do the trick, so we get (0.65 × 100)/(1 × 100) = 65/100.
Lastly, simplify the fraction by dividing both the numerator and the denominator by their greatest common divisor (GCD).
The GCD of 65 and 100 is 5, so dividing both by 5 yields 13/20.
2.5 expressed as a fraction in simplest form:
Write the decimal as a fraction by placing it over 1. In this case, 2.5 becomes 2.5/1.
Remove the decimal by multiplying both the numerator and the denominator by a power of 10 that will eliminate the decimal.
In this case, multiplying by 10 will do the trick, so we get (2.5 × 10)/(1 × 10) = 25/10.
Lastly, simplify the fraction by dividing both the numerator and the denominator by their greatest common divisor (GCD).
The GCD of 25 and 10 is 5, so dividing both by 5 yields 5/2.
1.024 expressed as a fraction in simplest form:
Write the decimal as a fraction by placing it over 1. In this case, 1.024 becomes 1.024/1.
Remove the decimal by multiplying both the numerator and the denominator by a power of 10 that will eliminate the decimal.
In this case, multiplying by 1000 will do the trick, so we get (1.024 × 1000)/(1 × 1000) = 1024/1000.
Simplify the fraction by dividing both the numerator and the denominator by their greatest common divisor (GCD).
The GCD of 1024 and 1000 is 8, so dividing both by 8 yields 128/125.
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Pls help me (repost)
Answers
Answer:
below
Step-by-step explanation:
2.1 k and f
2.2 a and d
2.3 m = 90 - 59 = 31
2.4 d = 180 - 59 = 121
In the US, 42% of people have type A blood, 10% have type B, 4% have type AB, and 44% have type O. People with type Band type AB blood can receive type B blood. What percentage of people can receive transfusions of type B blood?
Answers
Answer: 14%
Step-by-step explanation:
10+4=14
So, the percentage of people who can receive transfusions of type B blood is the sum of the percentage of people with type B and AB blood, which is:
10% + 4% = 14%
Therefore, 14% of people can receive transfusions of type B blood.
PLS HELP!! ASAP!!! WILL GIVE BRAINLIEST!!
Jacinta drove from the mountains to the desert. She went from 8,560 feet above sea level to 122 feet below sea level.
If she drove at a constant speed for six hours, which statement represents her rate of change in elevation
(A) Jacinta descended at a rate of 732 feet per hour.
(B) Jacinta descended at a rate of 1,426 2/3 feet per hour.
(C) Jacinta descended at a rate of 1,406 1/3 feet per hour.
(D) Jacinta descended at a rate of 1,447 feet per hour.
Answers
Answer: D) 1,447 feet per hour
Step-by-step explanation:
8,560 + 122 = 8,682
8,682 ÷ 1,447 = 6
(For clarification, 6 × 1,447 = 8,682; 1,447 feet descended every hour.)