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Norma-Jean [14]
4 years ago
7

andre,rick,and ty were practicing for a track cycling race. andre covered a distance of 750m in 3 min. rick clocked 4 minutees f

or a distace of 800 m. ty raced 950 m in 5 minutes. who coveredthe least distance per minute
Mathematics
2 answers:
FrozenT [24]4 years ago
8 0

Answer:

Ty covered the least distance per min.

Step-by-step explanation:

Who covered the shortest distance per minute, or who rode his bike most slowly?

Andre's rate: (750 m) / (3 min) = 250/3 m/min

Rick's rate:  (800 m) / (4 min) = 200 m/min

Ty's rate:  (950 m) / (5 min) = 190 m/min

Ty was the rider who covered the least distance per minute; his rate was the slowest.

Ilya [14]4 years ago
6 0

Answer: Ty covered the least distance per minute

Step-by-step explanation:

Hi, to answer this question we have to calculate the speed ratio for each case, using the formula:

<em>Speed = distance (meters) / time (minutes) </em>

  • Andre = 750/3 =250 meters per minute
  • Rick = 800/4 =200 meters per minute
  • Ty = 950/5 = 190 meters per minute

Analyzing the results, Ty covered the least distance per minute because Ty has the lowest speed rate.

190 <200<250

Ty<Rick<André

Feel free to ask for more if needed or if you did not understand something.

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Julie is tracking the growth of a plant for a science project. The height of the plant on the 2nd day she measured was 8 inches
kvv77 [185]

Answer:

Step-by-step explanation:

The relationship is linear, so the plant grows the same amount each day.

The height on the 2nd day was 8 inches:

h₂ = 8

The height on the 7th day was 20.5 inches:

h₇ = h₂ + (7-2)d = 8 + 5d = 20.5

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The plant grows 2.5 inches each day.

6 0
3 years ago
What is the value of x? There is isosceles triangle. The measure of angle which is between two congruent sides is (6x+10⁰). The
max2010maxim [7]
<h3><u>Answer</u><u>:</u><u>-</u></h3>

x=17

<h3><u>step-by</u><u>-</u><u>step</u><u> </u><u>Explanation</u><u>:</u><u>-</u></h3>

{\boxed{\quad\:\mapsto\rm Firstly\:Let's\:understand\:the\:concept:-}}

<h3 />

This is a isosceles triangle. As it is a triangle we can apply sum theory. we have to take the sum of given unknown polynomials as 180° .Then by solving it we can find the value of x.

<h3><u>Solution</u><u>:</u><u>-</u></h3>

Given angles

  • (6x+10°)
  • (x+17°)
  • (4x-34)°

According to sum theory

{\boxed{\sf The \:sum\:of\:angles=180°}}

  • Substitute the values

\qquad \quad{:}\longmapsto\tt (6x+10)+(x+17)+(4x-34)=180

  • Remove brackets

\qquad \quad{:}\longmapsto\tt 6x+10+x+17+4x-34=180

  • Together like polynomials and constants

\qquad \quad{:}\longmapsto\tt 6x+x+4x+10+17-34=180

\qquad \quad{:}\longmapsto\tt 11x-7=180

  • Interchange sides

\qquad \quad{:}\longmapsto\tt 11x=180+7

\qquad \quad{:}\longmapsto\tt 11x=187

\qquad \quad{:}\longmapsto\tt x=\cancel{\dfrac{187}{11}}

  • Simplify

\qquad \quad{:}\longmapsto\tt x=17

\therefore\sf The \:value\:of\:x\;is\:17.

8 0
3 years ago
The line plots show the number of hours two different age groups of teenagers spent online the previous week.
nikklg [1K]
The range of the top plot, hours spent by 13-15 year olds, is found by subtracting the highest value, 34, and the lowest value, 21.  34-21=13.
The mean of the top plot is found by adding together all of the data points and dividing by 10 (the number of data points):
\frac{21+24+26+27+27+28+28+28+31+34}{10}=\frac{274}{10}=27.4

The range of the bottom plot, minutes spent online by 16-18 year olds, is found by subtracting the highest value, 36, and the lowest value, 12.  36-12=24.
The mean of the bottom plot is found by adding together all of the data points and dividing by 11 (the number of data points):
\frac{12+21+27+28+28+28+28+30.5+34+35+36}{11}=\frac{307.5}{11} \approx27.95
4 0
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