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3 years ago

Does any body wanna zoom

SAT

2 answers:

monitta3 years ago

7 0

Answer:

Nah, I dont wanna.

Explanation:

Artist 52 [7]3 years ago

7 0

Answer:

No but thanks for the points

Explanation:

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What is the best way to arrange the magnets on the train and on the track so that the model train levitates? flat, so that the n

Leno4ka [110]

The best way is: B. flat, so that the north pole of the magnets on the train point up and the north poles of the magnets on the track point down.

<h3>What is the law of magnetism?</h3>

The law of magnetism states that the like poles of a magnet repel one another while unlike (different) poles attract each other. Thus, two north (N) poles of a magnet would repel one another while a north (N) and south (S) would attract each other.

Based on the law of magnetism, the best way to arrange the magnets on the train and on the track, so as to allow the model train levitate is flat, as this would make the north (N) pole of the magnets on the train point up and the north (N) poles of the magnets on the track point down.

Read more on law of magnetism here: brainly.com/question/14945557

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<u>Complete Question:</u>

Jolie builds a model of a maglev train. She uses disc magnets to levitate the train. A disc magnet has its north and south poles on its faces, as shown.

What is the best way to arrange the magnets on the train and on the track so that the model train levitates?

7 0

2 years ago

True or false a circle will have different radii

PilotLPTM [1.2K]

Yes it’s true because of the size of the circle

8 0

2 years ago

A plan of dollar amounts to be spent on long-term projects is called a

lukranit [14]

A plan of dollar amounts to be spent on long-term projects is called a Capital Budget.

<h3>What Is Capital Budgeting? </h3>

Capital budgeting is known to be a form of a business doings that is often done to examine potential major projects or any form of an investments.

Note that before a person does any business, it is good that they have the budgeted amount of money they are willing to spend as it is important before going into the business.

Hence, A plan of dollar amounts to be spent on long-term projects is called a Capital Budget.

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4 0

2 years ago

3) Explain the difference between the term's "variable" and "data." Include an

bija089 [108]

Variable is a letter next to a number whether it’s x or y it can be any letter really but main ones is x and y and data is something written down from an oberservartion whether it’s an experiment or table etc.

4 0

4 years ago

Frank, who lives in texas, and his sister lilly, who lives in japan, correspond regularly. From what he can tell from the postma

ehidna [41]

Answer:

(A) There is convincing evidence that there is no difference in the mean delivery times.

(B) There is convincing evidence that there is a difference in the mean delivery times.

(C) There is convincing evidence that the mean delivery time from Japan to Texas is greater than the mean delivery time from Texas to Japan.

(D) There is not convincing evidence that the mean delivery time from Japan to Texas is greater than the mean delivery time from Texas to Japan.

(E) The t-test cannot be used for sample sizes that are this small.

Explanation:

The correct option is;

(A) There is convincing evidence that there is no difference in the mean delivery times.

Step-by-step explanation:

Here we have the formula for the two-sample t-test given s;

To Texas N₁ = 12, =8.74 σ₁ = 2.92 SE Mean₁ = 0.84

To Japan N₂ = 9 = 6.75 σ₂ = 2.56 SE Mean₁ = 0.85

t = 1.667

Where the null hypothesis is

mu To Texas = mu To Japan and the alternative is

mu To Texas > mu To Japan

Here since the observed P value of P = 0.058 is greater than the significance level of 0.05 we fail to reject the null hypothesis and we will therefore, not accept the alternative hypothesis.

Hence, there is convincing evidence that there is no difference in the mean delivery times.

3 0

2 years ago