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cluponka [151]
3 years ago
13

What 78974 divided bi 21?

Mathematics
2 answers:
ivann1987 [24]3 years ago
8 0
3760.6
..........................................................
Juliette [100K]3 years ago
7 0
3760.667 you round it the nearest hundred 
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3 years ago
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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
Eden opened a credit card at a department store with an APR of 19.07% compounded monthly. What is the APY on this credit card?
notsponge [240]

APR = Annual Percentage Rate; APY = Annual Percentage Yield.
This is a tough question!!

To get the APY we use the compounding formula (A = P(1+r/n)^nt) and put $1 in for the principal and see what our final amount is at 19.07% after a year.

A = 1(1+.1907/12)^12

A= 1.0159^12

A= 1.2083  This means that we paid 0.2083 on our dollar after a year which means the APY is 20.83%.




6 0
4 years ago
AB and BA name the same ray
OlgaM077 [116]
Do you have a diagram i can see?


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Which equation, in standard form, represents the relationship between the number of bus rides, x, and the amount of bus money Sh
Inessa [10]

Answer:

B

Step-by-step explanation:

x + y = 50

1. 0 + 50 = 50

2. 9 + 41 = 50

3. 18 + 32 = 50

4. 27 + 23 = 50

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3 years ago
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