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lana66690 [7]
3 years ago
5

Urgent help please!

Mathematics
1 answer:
Juli2301 [7.4K]3 years ago
4 0

Answer:

did u just copy everything my g

Step-by-step explanation:

look at the question

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In the following Earliest Start Time (EST) graph, assume each unit of time is an hour.
Dennis_Churaev [7]

In the following Earliest Start Time (EST) graph, assume each unit of time is an hour.

How many hours will it take until Task F can be started?

14 hours

______________________________________

<em> *100% CORRECT ANSWERS </em>

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4 0
3 years ago
A negative number plus a positive number is a negative number.
ipn [44]

Answer:

Sometimes

Step-by-step explanation:

Examples:

-5 + 10 = 5   FALSE

-10 + 5 = -5  TRUE

7 0
3 years ago
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Help me please 10 ////////////////
madam [21]

Answer:

part A is 120

Step-by-step explanation:

6 × 20 = 120

part B

3 0
3 years ago
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wanting some extra help with factoring while knowing what method it would be like gcf or grouping etc
Ksju [112]

d) You have a <u>difference of squares</u>:

49y² - 9 = (7y)² - 3²

Recall the identity,

a² - b² = (a - b) (a + b)

So,

49y² - 9 = (7y - 3) (7y + 3)

e) Pull out the common factor 3 from each term:

3x² - 3x - 90 = 3 (x² - x - 30)

Now use the <u>sum-product method</u>. Notice that we can write 30 = 5 • 6, and 5 - 6 = 1, so

3x² - 3x - 90 = 3 (x + 5) (x - 6)

f) Same as in (e), use the <u>sum-product method</u>. Notice that 42 = 7 • 6, and -7 - 6 = -13, so

x² - 13x + 42 = (x - 7) (x - 6)

8 0
2 years ago
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Helpppppppppppppppppppppppppppppppppppppppppppppppppppp.
mina [271]

Answer:

  1. 1 and 6 are like terms--true
  2. 8 is a factor--true
  3. In <em>9u</em><em>,</em><em> </em>9 is a coefficient--true
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3 years ago
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