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miss Akunina [59]
4 years ago
13

What is the sum of 55 66

Mathematics
1 answer:
mezya [45]4 years ago
8 0
121 is the answer/sum.
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Find the uncertainty in a calculated average speed from the measurements of distance and time. Average speed depends on distance
zzz [600]

Answer:

\frac{\Delta v}{v}=0.426

Step-by-step explanation:

you have that the average sped is given by the following formula:

v(x,t)=\frac{x}{t}

The uncertainty formula for a division is given by:

\frac{\Delta v}{v}=\sqrt{(\frac{\Delta x}{x})^2+(\frac{\Delta t}{t})^2}        (1)

Δv: uncertainty in speed

Δx: uncertainty in the distance = 0.9m

Δt: uncertainty in time = 0.7s

x: distance = 8.1m

t: time = 1.7s

You replace the values of all parameters in the equation (1):

\frac{\Delta v}{v}=\sqrt{(\frac{0.9}{8.1})^2+(\frac{0.7}{1.7})^2}\\\\\frac{\Delta v}{v}=0.426

Hence, the relation between the uncertainty in the average velocity is 0.426

4 0
3 years ago
If the sum of $1! + 2! + 3! + \cdots + 49! + 50!$ is divided by $15$, what is the remainder?
kompoz [17]

Answer:

  3

Step-by-step explanation:

All factorials 5 and above are evenly divisible by 15, so have no remainder. Thus, you are interested in ...

  mod(1! +2! +3! +4!, 15) = mod(1 +2 +6 +24, 15)

  = mod(33, 15) = 3

The remainder is 3.

3 0
4 years ago
Lola is swimming laps in a pool. She swam the first lap in
DanielleElmas [232]

Answer:

33.4 +  34.6

Step-by-step explanation:

68 seconds  in minutes that would be 1 minuet and 8 seconds

5 0
3 years ago
Write an expression for - add 5 to the quotient of z and 6, then subtract 8 from the result
alina1380 [7]

Answer:

The answer would be z/6 + 5 - 8.

Step-by-step explanation:

Quotient means the answer to a division problem, so we know that z and 6 must be divided. Then it tells us to add 5 to the quotient and then subtract 8 from the total. Because of PEMDAS no parentheses are needed.

6 0
3 years ago
I need help pls :) <3
Svetradugi [14.3K]

Answer:

x-3y ≥ -4

Step-by-step explanation:

5 0
3 years ago
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