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IceJOKER [234]
3 years ago
12

What should i know about algebra 1 before i start

Mathematics
1 answer:
Contact [7]3 years ago
8 0

Answer:nothin much

Step-by-step explanation:

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(Brainliest for fastest right answer!!) Which is correct?
Arisa [49]

Answer:

<em>(n - 5)(n + 5) </em>

Step-by-step explanation:

a² - b² = (a - b)(a + b)

n² - 25 = n² - 5² = <em>(n - 5)(n + 5)</em>

7 0
2 years ago
How can you express (15 30) as a multiple of a sum of whole numbers with no common factor?
Alex_Xolod [135]
Well theoretically speaking you could but that would take a long time and 15 and 30 have a common factor of 5 and 15. So I think for this one you can't since there are two common factors.
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4 0
3 years ago
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Examine triangle ABC.<br><br> What is the value of x?<br><br> 37<br> 48<br> 127<br> 138
Flura [38]

The outside angle of B needs to equal 180 - 79 = 101 degrees.

The 3 outside angles of a triangle need to equal 360 degrees.

Set up the equation with what we know:

X + (x+5) + 101 = 360

Simplify:

2x + 106 = 360

Subtract 106 from both sides:

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Divide both sides by 2:

x = 254 / 2

x = 127

4 0
3 years ago
What is 11/2 divided by 3/4
madam [21]

Answer:

2 and 14/15

Step-by-step explanation:

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A worker in an assembly line takes 7 hours to produce 28 parts. at that rate, how many parts can she produce in 35 hours?
olya-2409 [2.1K]
During 7 hours: 28 parts assembled
during 14 hours: 56 parts assembled
during 21 hours: 84 parts assembled
during 28 hours: 112 parts assembled
during 35 hours: 140 parts assembled
7 0
3 years ago
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