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chubhunter [2.5K]
3 years ago
11

The mean age of 4 women in an office is 28 years old. the mean age of 4 men in an office is 30 years old. what is the mean age(n

earest year) of all the people in the office?​
Mathematics
1 answer:
Pavlova-9 [17]3 years ago
5 0

Answer:

29

Step-by-step explanation:

its obvious

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Basile [38]
The answer is A. a dog is mammal
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3 years ago
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Mirza can run at a speed of 300cm/s. Calculate her speed in units of km/h.​
Galina-37 [17]
300 cm/s = (300*60*60/100000=10.8) km/h
5 0
3 years ago
A particle is moving on a straight line in such a way that its velocity v is given by v ( t ) = 2 t + 1 for 0 ≤ t ≤ 5 where t is
Lady_Fox [76]

Answer:

The total distance traveled by the particle is S = 30.

Step-by-step explanation:

Given that velocity,

v(t) = 2t + 1

To find the total distance travel, we integrate the velocity function, v(t), to obtain the distance function s(t), and evaluate the resulting distance at the interval given. That is at t = 0 to t = 5.

Integrating v(t) with respect to t, we have

s(t) = t² + t + C.

At t = 5

s(5) = 5² + 5 + C

= 25 + 5 + C

= 30 + C

At t = 0

S(0) = 0 + 0 + C

= C

The required distance is now

S(5) - S(0)

= 30 + C - C

= 30.

8 0
3 years ago
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Show all steps to solve:<br> 3( 1/6+2/9) + (-2)
Alex73 [517]

Answer:

-5/6

Step-by-step explanation:

3(1/6+2/9)+(-2)

3(7/18)+(-2)     working what is in parenthesis.

7/6-2              reduced the numbers ( 3 and 18) with greatest common divisor                      .                     which is 3

-5/6                calculate the difference

6 0
3 years ago
Consider the equation : 2x+6y=102 x + 6 y = 10.
anzhelika [568]

Answer:

hmmmmmmmmmmmmmmmmmm i would but im 2 lazy and bored

Step-by-step explanation:

SORRY

6 0
3 years ago
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