The approximate yards Jason will skate in the next 15 seconds is 135 yards
Given that :
Number of yards skate in 20 seconds = 180 yards
The rate per second cannbe calculated thus :
Rate = distance / time Rate = 180 / 20 = 9 yards per secondThe distance skate in 15 seconds will be:
Distance = time × rate Distance = 15 × 9 = 135 yardsTherefore, Jason will skate 135 yards in the next 15 seconds.
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The shape to the left shows an unfolded cube if the cube is folded and rolled what are all the possible outcomes are they all equally likely?
PLZ HELP
Answer:a
Step-by-step explanation:
A
Provide the missing statement and reasons for the following proof:
Answer:
I need more points
the picture is very blurry
find the measure of the missing angels
Answer:
45
Step-by-step explanation:
First add the angles given: 85+50=135
Since all the angles of a triangle combined have to equal 180, you can subtract it from 180.
180-135=45
So your answer would be 45.
Hope this helps :)
In the equation 3x=36+9 what is the next step in the equation solving sequence
Answer:
First step: Combine like terms, Answer: [tex]x=15[/tex]
Step-by-step explanation:
First, we need the variable on the left side and constants on the right.
So, we combine like terms to get [tex]3x=36+9=45[/tex].
Then, we can divide both sides by [tex]3[/tex] to isolate the variable and get [tex]\boxed{x=15}[/tex].
A history teacher has given her class a list of seven essay questions to study before the next test. The teacher announced that she will choose four of the seven questions to give on the test, and each student will have to answer three of those four questions. Suppose that a student has enough time to study only five questions. What is the probability that the student will have to answer a question that he or she did not study?
What is cos(317)? explain how I would get that solution without using a calculator please. Correct answer gets BRAINLIEST!!
Answer:
Since our angle is greater than 270 and less than or equal to 360 degrees, it is located in Quadrant IV
In the fourth quadrant, the values for cos are positive only.
317 is an obtuse angle since it is greater than 90°
cos(317) = 0.73135369730756
Step-by-step explanation:
What is the length of segment AB?
A. 5
B. 6
C. 8
D. 10
AB = 10
Step-by-step explanation:
AB² = (6 - 0)² + (10 - 2)²
AB² = 6² + 8²
AB² = 36 + 64
AB² = 100
AB² = 10²
AB = 10
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Simplify. 3/2(x+3/4)−(x+1)
5/2x+17/8
12x+17/8
1/2x+1/8
Answer:
1/2x=+1/8
2
x+
1
8
Step-by-step explanation:
what is the mean of the frequency distribution?
Answer:
[tex]mean = \frac{ \sum \: xf}{n} \\ \frac{(27 \times 2) + (28 \times 4) + (29 \times 3) + (31 \times 5) + (33 \times 6)}{(2 + 4 + 3 + 5 + 6)} [/tex]
If 96 of the 224 participants in club activities are residents, what is the ratio of nonresidents to residents who participate in club activities? Write the ratio in lowest terms as a fraction or with a colon.
Pls help a girl out
The table shows grade levels and heights of 6 students.
1
2
Grade
3
4
5
6
46
48
51
53
Height (in.)
56
59
Choose the correct item in each drop-down menu to complete the sentences.
Choose..
Choose...
The data shows
causation
correlation. The data
Answer:
its positive corelation and doesnt show causation
Step-by-step explanation:
Answer:
its positive correlation and cannot show causation
Step-by-step explanation:
Hello can some one please help me
Answer:
1
Step-by-step explanation:
This one once learned is clapz. Anything to the zero power is 1. ;)
PLEASE i need help, someone can help me ?!
find the distance between the points
a)(-1,4,3)and(2,2,-3)
Answer:
a) point a start with negative but point b) start with positive
Help help pelesse please
Answer:
450
Step-by-step explanation:
9×50=450
have a good day
From a random sample of 92 male students at Hope College, 8 were left-handed. Using the Theory Based Inference applet, determine a 99% confidence interval for the proportion of all male students at Hope College that are left -handed.
Answer:
mkkkmnsine kgsk jtb jgjdb Geeta kl John ku
A kayak rental pavilion charges $15.00 per hour and $2.50 for a brief lesson on kayak safety. The total cost y to rent the kayak for x hours is given by y = 15x + 2.5. Interpret the slope and y-intercept.
Answer:
Step-by-step explanation:
26-14-(-6)+(-7)-11
Please help
Answer:
0
Step-by-step explanation:
G
E
M
D
A
S
26 - 14 - (-6) + (-7) - 11
26 - 14 = 12
12 - (-6) + (-7) - 11
12 - 1 = 11
11 - 11 = 0
compare the expressions
3 X 10 and 15 x 20 without multiplying them. Explain how she
could compare the factors to compare the expressions without
multiplying them.
Answer:
yes
Step-by-step explanation:
Well 3 is a factor of 15, and 10 a factor of 20. So 15/3 is 5, and 20/10 is 2.
5*2 is 10, which means that 15*20 is 10 times greater than 3*10.
If you actually did multiply them, 15 by 20 is 300 and 3 by 10 is 30. It would logically be correct.
Greatest common factor of 76 and 675
how do you solve the following equation?
10-s=34
Answer:
-24
Step-by-step explanation:
10-s=34
collect like terms
10-34=s
s=-24
Write the equation of the line in slope-intercept form. The line is parallel to y+x=3 and passes through the point (−12, 0).
y = -x + 3
y = -(x + 12)
y = -x - 12
If you can clean 1/6 of your bedroom in 15 minutes, what is your rate per hour?
Subtract 8 1/5 - 4 2/5
. Simplify the answer and write as a mixed number.
Answer:
3 4/5
Step-by-step explanation:
Identify the unit rate in the graph.
A) 40 mph
B) 75 mph
C) 50 mph
D) 25 mph
C)50mph
speed= distance÷time
so ....
we find how much 25 miles took therefore we do
25÷0.5
which is
=50
Hope this helped you, have a good day bro cya)
Answer:
fast
Step-by-step explanation:
historical definition
Italian physicist Galileo Galilei is usually credited with being the first to measure speed by considering the distance covered and the time it takes. Galileo defined speed as the distance covered per unit of time.[3] In equation form, that is
{\displaystyle v={\frac {d}{t}},}v={\frac {d}{t}},
where {\displaystyle v}v is speed, {\displaystyle d}d is distance, and {\displaystyle t}t is time. A cyclist who covers 30 metres in a time of 2 seconds, for example, has a speed of 15 metres per second. Objects in motion often have variations in speed (a car might travel along a street at 50 km/h, slow to 0 km/h, and then reach 30 km/h).
Instantaneous speed
Speed at some instant, or assumed constant during a very short period of time, is called instantaneous speed. By looking at a speedometer, one can read the instantaneous speed of a car at any instant.[3] A car travelling at 50 km/h generally goes for less than one hour at a constant speed, but if it did go at that speed for a full hour, it would travel 50 km. If the vehicle continued at that speed for half an hour, it would cover half that distance (25 km). If it continued for only one minute, it would cover about 833 m.
In mathematical terms, the instantaneous speed {\displaystyle v}v is defined as the magnitude of the instantaneous velocity {\displaystyle {\boldsymbol {v}}}{\boldsymbol {v}}, that is, the derivative of the position {\displaystyle {\boldsymbol {r}}}{\boldsymbol {r}} with respect to time:[2][4]
{\displaystyle v=\left|{\boldsymbol {v}}\right|=\left|{\dot {\boldsymbol {r}}}\right|=\left|{\frac {d{\boldsymbol {r}}}{dt}}\right|\,.}v=\left|{\boldsymbol v}\right|=\left|{\dot {{\boldsymbol r}}}\right|=\left|{\frac {d{\boldsymbol r}}{dt}}\right|\,.
If {\displaystyle s}s is the length of the path (also known as the distance) travelled until time {\displaystyle t}t, the speed equals the time derivative of {\displaystyle s}s:[2]
{\displaystyle v={\frac {ds}{dt}}.}v={\frac {ds}{dt}}.
In the special case where the velocity is constant (that is, constant speed in a straight line), this can be simplified to {\displaystyle v=s/t}v=s/t. The average speed over a finite time interval is the total distance travelled divided by the time duration.
Average speed
Different from instantaneous speed, average speed is defined as the total distance covered divided by the time interval. For example, if a distance of 80 kilometres is driven in 1 hour, the average speed is 80 kilometres per hour. Likewise, if 320 kilometres are travelled in 4 hours, the average speed is also 80 kilometres per hour. When a distance in kilometres (km) is divided by a time in hours (h), the result is in kilometres per hour (km/h).
Average speed does not describe the speed variations that may have taken place during shorter time intervals (as it is the entire distance covered divided by the total time of travel), and so average speed is often quite different from a value of instantaneous speed.[3] If the average speed and the time of travel are known, the distance travelled can be calculated by rearranging the definition to
{\displaystyle d={\boldsymbol {\bar {v}}}t\,.}d={\boldsymbol {{\bar {v}}}}t\,.
Using this equation for an average speed of 80 kilometres per hour on a 4-hour trip, the distance covered is found to be 320 kilometres.
Expressed in graphical language, the slope of a tangent line at any point of a distance-time graph is the instantaneous speed at this point, while the slope of a chord line of the same graph is the average speed during the time interval covered by the chord. Average speed of an object is Vav = s÷t
Difference between speed and velocity
Speed denotes only how fast an object is moving, whereas velocity describes both how fast and in which direction the object is moving.[5] If a car is said to travel at 60 km/h, its speed has been specified. However, if the car is said to move at 60 km/h to the north, its velocity has now been specified.
The big difference can be discerned when considering movement around a circle. When something moves in a circular path and returns to its starting point, its average velocity is zero, but its average speed is found by dividing the circumference of the circle by the time taken to move around the circle. This is because the average velocity is calculated by considering only the displacement between the starting and end points, whereas the average speed considers only the total distance travelled.
Which is the best definition of coefficient?
A letter that represents an unknown value.
O A number that itinultiplied by a variable.
Operations that "undo" each other.
O A fixed value that does not change.
Answer:
A number multiplied by a variable.
Step-by-step explanation:
For example, 4 is a coefficient.
[tex]4x[/tex]
Estimate to decide if the sum of 314+175 is more or less than 600?
Answer:
less than
Step-by-step explanation:
314+175= 489 round that it would be 500 so it would be less than 600
Please mark me brainliest
Hello there!
The sum of 314 and 175 = 489.
If we round it, we will get 500.
500 is less than 600.
So the sum of 314+175 is less than 600.
Hope this helps you!
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[tex]GraceRosalia[/tex]
A 5-k race is 5 kilometers long. How long is it in millimeters?
Answer: 1 kilometer = 1,000,000 millimeters so multiply that times 5 and you have your answer 5,000,000 millimeters.
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Christian is driving on a long road trip. He currently has 12 gallons of gas in his car.
Each hour that he drives, his car uses up 1.25 gallons of gas. How much gas would be
in the tank after driving for 6 hours? How much gas would be left after t hours?
Gas left after 6 hours:
Gas left after t hours:
Submit Answer
attempt 1 out of 2 / problem 1 out of max 1
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Answer:
Gas left after 6 hours: 4.5 gallons
Step-by-step explanation:
multiply 1.25 by 6 which will be 7.50
then subtract 7.50 from 12 which will be 4.50
i think :)
The value of 1x10 when x = -2, can be
written in simplest form as a36, where
a=
and b=
DONE
Answer 8
Step-by-step explanation: