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3 years ago

What is the range of the data?

Mathematics

2 answers:

Inessa05 [86]3 years ago

4 0

11.6 is the correct answer.

bonufazy [111]3 years ago

3 0

I agree with the person above me :-)

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PLEASE HELP ME ASAP

velikii [3]

Answer:

Radius r=0.30m, Velocity, v=36m/s

(a) angular speed w=

0.3

=120rad/s

(b) final angular speed w

′

From rotational kinematics w

′

−w

=2αθ

0−14400=2α×40×2π

⇒α=

160π

−14400

=−28.6rad/s

'Distance covered

=40×2πr

=40×2π×0.3=75.39m

5 0

2 years ago

Jim had one hour to get to the

k0ka [10]

Jim has 27.5 minutes left to get to the airport.

7 0

3 years ago

What would my grade be if i had a 76% in the class, then got a 0% on a test worth 70% of my grade?

ExtremeBDS [4]

Answer:

I believe it would be 6

7 0

3 years ago

An analyst from an energy research institute in California wishes to precisely estimate a 99% confidence interval of the average

Lena [83]

Answer:

190

Step-by-step explanation:

Data provided in the question:

Confidence level = 99%

Therefore,

α = 1% = 0.01

[ from standard normal table ]

z-value for $z_{\frac{\alpha}{2}}= z_{\frac{0.01}{2}}=$ = 2.58

Margin of error, E = $0.06

Standard deviation, σ = $0.32

Now,

n = $(\frac{z_{0.005}\sigma}{E})^2$

Here,

n is the sample size (or the minimum number of gas stations )

on substituting the respective values, we get

= $(\frac{z_{0.005}\sigma}{E})^2$

= $(\frac{2.58\times0.32}{0.06})^2$

= 13.76²

= 189.3376 ≈ 190

Hence,

minimum number of gas stations that she should include in her sample is 190

5 0

3 years ago

There is a 60% chance that your flight will leave on time

OLEGan [10]

A 40% chance

Unless!
*wispers*
It’s a trick question?

6 0

3 years ago

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