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tino4ka555 [31]
3 years ago
6

Factor completely 5 x^{2} -80

Mathematics
1 answer:
lutik1710 [3]3 years ago
7 0
Remember
a^2-b^2=(a-b)(a+b)
5(x^2-16)
5(x^2-4^2)
5(x-4)(x+4)
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What percent less parakeets are there then dogs
viktelen [127]
There are 66.666666 etc..... so if you round you get
67%
5 0
3 years ago
At noon, the high temperature was 54 degrees. During the course of the day, the temperature increased 8 degrees, decreased 3 deg
pychu [463]

Answer:

61

Step-by-step explanation:

Let's write out what we know:

Noon temp: 54

Over the day, the temperature:

increased 8, decreased 3, increased 14, decreased 2, and decreased 10.

54+8-3+14-2-10 = 61

7 0
3 years ago
Help please!!!!!!ASAP thanks
irina [24]
The answer is 6, 9, 13.5
8 0
3 years ago
Read 2 more answers
Perimeter of quadrilateral
aleksandr82 [10.1K]

Answer:

The answer to your question is:  14 + 2√40  = 26.6 units

Step-by-step explanation:

Data

A ( -5, 4)     B (-3, -2)     C (4, -2)     D (2, 4)

Formula

d = √(x2 - x1)² + (y2 - y1)²

Perimeter = dAB + dBC + dCD + dAD

Process

dAB = √(-3 + 5)² + (-2 - 4)²

dAB = √(2)² + (-6)²

dAB = √4 + 36

dAB = √40 units

dBC = √(4 + 3)² + (-2 + 2)²

dBC = √(7)²

dBC = √49

dBC = 7 units

dCD = √(2 - 4)² + (4 + 2)²

dCD = √(2)² + (6)²

dCD = √40 units

dAD = √(2 + 5)² + (4 - 4)²

dAD = √49

dAD = 7 units

Perimeter = √40 + 7 + √40 + 7

Perimeter = 14 + 2√40  = 26.6 units

3 0
3 years ago
Need help on this guys, help pls.
marusya05 [52]

Answer:

1,740 261

20+3

Final answer 23

Step-by-step explanation:

Sorry If I am wrong.

4 0
3 years ago
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