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monitta
2 years ago
8

I need help with these 2 questions

SAT
1 answer:
Marta_Voda [28]2 years ago
7 0

Answer:

The first one is D the second one is false.

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When 1/2 of the number N is decrease by four, the result is -6. What is three times N added to seven?
Degger [83]

Answer:

5

Explanation:

Word problem.

First statememt

n/2 - 4 = -6. ....... (1)

Second statement.

3n + 7 = x. ....... (2)

From (1)

n/2 - 4 = -6.

n/2 = -6 +4

n/2 = -2

n= -4

Put n into (2).

3n + 7 = x

3(-4) +7 = x

x= -12 +7 = -5

The answer is -5.

5 0
2 years ago
Assume that there is a 6​% rate of disk drive failure in a year. a. If all your computer data is stored on a hard disk drive wit
Finger [1]
The easiest way to do this is calculate the probability that all drives crash, and subtract that from one. The first one is .06 squared subtracted from 1, so it’s .9964 or 99.64%. The second one is .06 cubed subtracted from 1, so it’s .9998, or 99.98 %
3 0
2 years ago
A ceiling fan operates at three speeds, using 120 v of electricity from the wall. At low speeds, it uses 0. 25 a. Calculate the
wolverine [178]

A) The calculated resistance needed to generate the current at low speed is; R = 480 ohms

B) Resistance at medium and larger speeds are;

At medium speed; R is less than that at low speed

At larger speed; R is less than that at medium speed.

A) We are given;

Voltage; V = 120 V

Current at lower speed; I = 0.25 A

Formula for resistance here is;

R = V/I

R = 120/0.25

R = 480 ohms

B) This means that if larger currents are required at higher speeds, it means that lower resistance would be required.

Similarly at medium currents the resistance will be lesser than that at lower speed but greater than that at larger speeds.

Read more on ohms law at; brainly.com/question/1220677

6 0
2 years ago
How are these excerpts similar? both offer complaints. Both recall history. Both state demands. Both admit defeat.
Misha Larkins [42]

Answer: I think it’s both state demands.

Explanation:

7 0
2 years ago
What type of agriculture was practiced in new england?.
Anon25 [30]

Answer:

The New England colonies had rocky soil, which was not suited to plantation farming, so the New England colonies depended on fishing, lumbering, and subsistence farming.

7 0
2 years ago
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