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Otrada [13]
2 years ago
11

A cross country racer records a time of exactly 4 minutes to complete a race that is a distance of 1,000 meters. What is the rac

er's speed, in meters/second, during the race?
Mathematics
1 answer:
lions [1.4K]2 years ago
6 0

Answer:

.24 meters/second

Step-by-step explanation:

You might be interested in
-7X&gt;10<br>solve for x answer musr be simplifyed<br>​
Scrat [10]

Answer:

x < -10/7

Step-by-step explanation:

Divide both sides by -7.  Because this divisor is negative, we must reverse the direction of the inequality sign, obtaining:

-7x   <   10

-----   <  -----

 -7         -7

Then x < -10/7

8 0
3 years ago
Find the sum (the total measure) of the interior angles of an Octagon. Show all of your work
tatiyna
One way to do this is use the fact that the exterior angles of all polygons add up to 360 degrees
So an exterior angle of a regular octagon  = 360 / 8 = 45 degrees.
So each interior angle = 180 - 45 = 135 degrees

so total measure of all angles in octagon = 8 * 135 =  1080 degrees
4 0
3 years ago
Read 2 more answers
A new shopping mall records 120 total shoppers on their first day of business. Each day after that, the number of shoppers is 10
Ymorist [56]

Answer:

193 shoppers

Step-by-step explanation:

2nd  120 +12

3rd  132+13.2

4rd 145.2+ 14.52

5th 159.72+15.972

6th 175.692 +17.5692

7th 193.2612

6 0
3 years ago
Eva has some money in her wallet. She spent $18.62 buying groceries and had $43.55 left. How much money did she have in her wall
jek_recluse [69]

Answer:

Step-by-step explanation:

62.17

6 0
2 years ago
The charge for electricity consumption E is partly constant and partly varies as the number N of units used. The charge for 82 u
balandron [24]

The charge per unit of electricity is #415

The formula for E in terms of N is E = 375 + 40N

<h3>What is variation?</h3>

Variation is a mathematical term that establishes the relationship between quantities and variables in an equation.

Analysis:

E = K + CN

where K and C are constants

When E = 3655, N = 82 and when E = 2055, N = 42

3655 = K + 82C ---------------1

2055 = K + 42C----------------2

subtract equation 2 from 1

40C = 1600

C = 40

substitute C in equation 1

3655 = K + 82(40)

3655 = K + 3280

K = 3655 - 3280 = 375

charge per unit is N = 1

E = 375 + 40(1) = #415

Formula for E in terms of N is E = 375 + 40N

In conclusion, the charge per unit of electricity is 415 and the equation connecting E and N is E = 375 + 40N

Learn more about Variation: brainly.com/question/6499629

SPJ1

3 0
2 years ago
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