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lesya [120]
3 years ago
9

What’s the average of 3, 6, 9, 12, and 15

Mathematics
2 answers:
Aloiza [94]3 years ago
8 0
3+6+9+12+15/5= 45/5=9
the average of the numbers is 9
Kazeer [188]3 years ago
6 0

The answer is 68 because u add the number and then divide it by 12

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F(-2)=15, F(1)=9 can someone help me please
pogonyaev

Answer:

y= -2x +11

Step-by-step explanation:

the 2 points: (-2,15) and (1,9)

find the slope: 6/ -3 = -2

find y-intercept: 9 = -2 + b       b=11

4 0
3 years ago
Sachi takes 10 rounds of a rectangular park, 50 m long and 20 m wide. Find the total distance covered by him.
PSYCHO15rus [73]

Answer:

700 meters

Step-by-step explanation:

4 0
3 years ago
Boating: A paddleboat moves at a rate of 12 mph in still water. If the rover’s current moves at a rate of 3 mph, how long will i
Lostsunrise [7]

The time taken by the boat to travel 32 miles downstream is 2.1 hours and for upstream 3.56 hours.

<h3>What is speed?</h3>

Speed is defined as the ratio of the time distance traveled by the body to the time taken by the body to cover the distance.

Given that:-

  • A paddleboat moves at a rate of 12 mph in still water. If the rover’s current moves at a rate of 3 mph.
  • how long will it take the boat to travel 36 miles downstream and 36 miles upstream?

The time taken by the boat upstream will be calculated as:-

( B + W ) Td = D

( 12 + 3 ) Td = 32

( 15 ) Td = 32

Td = 32 / 15 = 2.1 hours

The time taken by the boat downstream will be calculated as:-

( B - W ) Tu = D

( 12 - 3 ) Tu = 32

9 Tu = 32

Tu = 32 / 9 = 3.56 hours.

Therefore the time taken by the boat to travel 32 miles downstream is 2.1 hours and for upstream 3.56 hours.

To know more about Speed follow

brainly.com/question/6504879

#SPJ1

4 0
2 years ago
How do I find the missing side of this triangle
larisa86 [58]

Answer:

40

Step-by-step explanation:

by using similar triangles;

27/24=45/x

x=45x24/27=40

7 0
3 years ago
Read 2 more answers
Hey! i just need you to tell me how you got your answer! thank you!
Yakvenalex [24]

5 + 27 ÷ 3 / 6 + 1 - Remember PEMDAS, so start by dividing 27 by 3.

5 + 9 / 6 + 1 - Next, add

14 / 7 Lastly, Divide.

2

5 0
3 years ago
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