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Nezavi [6.7K]
2 years ago
10

(a + 5)(a – 1) is a^2 +​

Mathematics
1 answer:
Sidana [21]2 years ago
8 0

Answer:

a^2+4a-5

Step-by-step explanation:

This is the expanded form

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WILL GIVE BRAINLIEST!!! Find the length of DF
Leto [7]

Answer:

190.4

Step-by-step explanation:

Solve the following system:

{2 y - 3 x - 8 = 3 y + 4 x - 1 | (AB=DE)

4 y + 10 x + 3 = -2 y - 17 x + 9 | (BC=EF)

x = -16/5, y = 77/5

DF=AC=-27x+5y+27=190.4

There you go, have a great day

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2 years ago
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r-ruslan [8.4K]
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3 years ago
Pls owrk out the missing angle
Alik [6]

Answer:

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Step-by-step explanation:

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2 years ago
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wariber [46]

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3 0
3 years ago
Read 2 more answers
The data set shows the length in inches of seven pieces of wire: 7.9, 6.8, 7.6, 9.9, 10.1, 9.1 and 10.9; What is the mean and me
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