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iVinArrow [24]
2 years ago
7

All of the following represent the same expression except _____. -8ab -8(a)(b) 8 - ab -8 · a · b

Mathematics
1 answer:
LUCKY_DIMON [66]2 years ago
7 0
8-ab because 8 is not multiplying an like the others
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A wire that is 0.20 meters long is moved perpendicularly through a magnetic field of strength 0.45 newtons/amperes meter at a sp
Natali [406]

Answer:

Given:

length of the wire = 0.20 meters

magnetic field strength = 0.45 newtons/amperes meter

speed = 10.0 meters per second

emf = B * l * v 

B = flux density ; l = length of the wire ; v = velocity of the conductor

emf = 0.45 newtons / ampere meter * 0.20 meters * 10.0 meters/seconds

emf = 0.90 volts

The emf produced is 0.90 volts.

Step-by-step explanation:

6 0
2 years ago
Alexa borrowed some money from her friend in order to help buy a new video game system. Alexa agreed to pay back her friend $10
Ulleksa [173]

Answer:

L(t) = 170 - 10t

Step-by-step explanation:

The amount that Alexa owes after t weeks is given by a linear equation in the following format:

L(t) = L(0) - bt

In which L(0) is the initial amount borrowed and b is how much is paid per week.

Alexa agreed to pay back her friend $10 per week and originally borrowed $170.

This means that, respectivelly, b = 10, L(0) = 170. So

L(t) = L(0) - bt

L(t) = 170 - 10t

7 0
2 years ago
Briana is excited because she has just been hired by a family to babysit on Saturdays. She’s looking forward to earning some ext
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List the hours from 1 to 8

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X: 1, 2, 3, 4, 5, 6, 7, 8

y: 12, 24, 36, 48, 60, 72, 84, 96

8 0
2 years ago
Glen received $2,250 loan from bank. After six months, he paid back $2,295 and closed the loan. Find the rate of interest
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Answer: 6.824%

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8 0
2 years ago
14.75x - 2.3 = 5.25x + 45.2
Cerrena [4.2K]
14.75x - 23=5.25x+45.2
14.75x-23-5.25x=5.25x+45.2-5.25x
14.75-5.25x=9.5
9.5x-23=45.2
9.5x-23+23=45.2+23
9.5x=68.2
9.5x/9.5=68.2/9.5
x=7.178947
3 0
2 years ago
Read 2 more answers
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