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givi [52]
2 years ago
13

Tim ran a quarter mile five times yesterday the table above shows the time of each run in minutes and seconds. For example the t

ime 1:07 represents 1 minute and 7 seconds. What is the range in seconds, of the times of times five runs ?
A. 4
B. 6
C. 8
D. 11
Mathematics
2 answers:
monitta2 years ago
3 0
Honestly im not even sure lol
marin [14]2 years ago
3 0

Answer:

See Explanation Below

Step-by-step explanation:

The question is incomplete as the table is missing.

I'll give you a guide to solve questions that look like this.

To calculate the Range of an observation, you only need the highest and the lowest values.

I.e Range = Highest Value - Lowest Value.

Suppose that the table is as follows

Observation --- Time

1 ------ 1:07

2 ------- 1:00

3 ------- 1;11

4 -------- 1:05

5 -------- 1:01

The highest and the least values in the above observation are

1;11 and 1:00 respectively.

Hence, the range is calculated as;

Range = Highest - Lowest

Range = 1:11 - 1:00

Range = 11 seconds

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A million years ago, an alien species built a vertical tower on a horizontal plane. When they returned they discovered that the
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Answer:

\theta=cos^{-1}(\frac{2}{3})

Step-by-step explanation:

We are given that measurements of three points on the ground gave coordinates of (0,0,0),(1,2,0) and (0,2,1)

We have to find the angle by which the tower now deviate from the vertical

We find cross product of <1,2,0> and <0,2,1>

\times =\begin{vmatrix}i&j&k\\1&2&0\\0&2&1\end{vmatrix}

\times =2\hat{i}-\hat{j}+2\hat{k}

Now, we are finding the angle between  \timesand vertical vector <0,0,1>

Angle between two vectors formula

cos\theta=\frac{a.b}{\mid a\mid\cdot\mid b\mid }

Now, using this formula

cos\theta=\frac{2}{1\cdot 3}=\frac{2}{3}

\theta=cos^{-1}(\frac{2}{3})

Hence, the tower deviate from the vertical by the angle \theta=cos^{-1}(\frac{2}{3})

6 0
2 years ago
1. What is m∠CAD?
bulgar [2K]
< CAD = 100....if u add < ACB + < CBA u get < CAD
================
< DAB = 125 and < ACB = 30

if DAB = 125.....then BAC = 180 - 125 = 55
and all 3 interior angles of a triangle = 180
< BAC + < ACB + < ABC = 180
55 + 30 + < ABC = 180
85 + < ABC = 180
< ABC = 180 - 85
< ABC = 95 <===


6 0
2 years ago
Read 2 more answers
The angle measurements in the diagram are represented by the following expressions
Klio2033 [76]
8x-10=3x+90
5x=100
X=20
B=3(20)+90=150
5 0
1 year ago
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​ At the end of the first school day, Mr. Davies, a first grade teacher, inspected his classroom crayons. 2 of the 200 crayons w
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99% were not broken as only 1% were broken
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2 years ago
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Tom supports North Storm Football Club. At the match between North Storm and West Stanford there were 71,167 spectators. If 41,1
dangina [55]
Answer:
30,058 spectator

Explanation:
The total number of spectators is equal to the sum of West Stanford's and North Storm's supporters.
We are given that:
Total number of spectators = <span>71,167 spectator
North Storm spectators = </span><span>41,109 spectator
So, to get the number of West Stanford spectators, all we have to do is subtract North Storm spectators from the total spectators as follows:
West Stanford spectators = </span>71,167 - 41,109 = 30,058 spectator

Hope this helps :)
8 0
2 years ago
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