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german
3 years ago
9

Two bikers rode at a constant speed on a 150-meter track. The data here show each biker’s distance for a certain part of the rac

e. Who won the race and by how much?
Student 1

A 2-column table with 4 rows. Column 1 is labeled Time (seconds) with entries 4, 6, 8, 10. Column 2 is labeled Distance (meters) with entries 40, 60, 80, 100.


won the race by about
.

Student 2

A graph has time (seconds) on the x-axis and Distance (meters) on the y-axis. Points are at (4, 42), (6, 63), (8, 84) and (10, 105).
Mathematics
2 answers:
Evgesh-ka [11]3 years ago
4 0

Answer:

student 2 ..... 1 second

Step-by-step explanation:

i did the assignment on edg2020

cestrela7 [59]3 years ago
3 0

Answer:student 2

1 second

Step-by-step explanation:

i took the test

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I need help with math
Tema [17]

Answer:

6:3

Step-by-step explanation:

4 0
3 years ago
Which radical expression represents the difference between the expressions 4 50 + 4 12 − 2 27 and 2 3 ? A) 20 2 B) 20 2 − 2 3 C)
Tcecarenko [31]

Answer:

A 20 sqrt(2)

Step-by-step explanation:

4 sqrt(50) + 4 sqrt(12) - 2 sqrt(27)  minus 2 sqrt(3)

We know that sqrt(a) sqrt(b) = sqrt(ab)

this is the first expression

4 sqrt(25)sqrt(2)  + 4 sqrt(4)sqrt(3) - 2 sqrt(9)sqrt(3)

4*5sqrt(2) + 4*2 sqrt(3) - 2*3 sqrt(3)

20 sqrt(2) +8 sqrt(3)-6sqrt(3)

20 sqrt(2) +2 sqrt(3)

Now we subtract 2 sqrt(3) from the above expression

20 sqrt(2) +2 sqrt(3)  - 2 sqrt(3)

20 sqrt(2)

8 0
4 years ago
Please help!!!!!!!!!!!!
Nadusha1986 [10]

Answer:

122.24 is the approximate answer

Step-by-step explanation:

The Logo is made up of 2 semicircles and 1 rectangle

Two semicircles make one circle

The formula for a circle is πr^{2}

The radius (r) is 4 because the diameter is 8

so you plug it in and get 16π

The approximate value of π is 3.14

16 times 3.14 is 50.24cm^{2}

so to calculate the area of the whole logo just add72cm^{2} +50.24cm^{2} =122.24

3 0
2 years ago
erika says that no matter how many decimals places she divides to when she divides 1 by 3, the digit 3 in the quotient will just
lara [203]
Yes she is correct because 1 divided by 3 will have an infinite number of 3s
4 0
4 years ago
Read 2 more answers
What the recursive formula for the sequence
klemol [59]

\bf n^{th}\textit{ term of an arithmetic sequence} \\\\ a_n=a_1+(n-1)d\qquad \begin{cases} n=n^{th}\ term\\ a_1=\textit{first term's value}\\ d=\textit{common difference} \end{cases} \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ a_n=2-5(n-1)\implies a_n=\stackrel{\stackrel{a_1}{\downarrow }}{2}+(n-1)(\stackrel{\stackrel{d}{\downarrow }}{-5})


so, we know the first term is 2, whilst the common difference is -5, therefore, that means, to get the next term, we subtract 5, or we "add -5" to the current term.

\bf \begin{cases} a_1=2\\ a_n=a_{n-1}-5 \end{cases}


just a quick note on notation:

\bf \stackrel{\stackrel{\textit{current term}}{\downarrow }}{a_n}\qquad \qquad \stackrel{\stackrel{\textit{the term before it}}{\downarrow }}{a_{n-1}} \\\\[-0.35em] ~\dotfill\\\\ \stackrel{\textit{current term}}{a_5}\qquad \quad \stackrel{\textit{term before it}}{a_{5-1}\implies a_4}~\hspace{5em}\stackrel{\textit{current term}}{a_{12}}\qquad \quad \stackrel{\textit{term before it}}{a_{12-1}\implies a_{11}}

8 0
4 years ago
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