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Tcecarenko [31]
4 years ago
12

A portion of the Quadratic Formula proof is shown. Fill in the missing reason

Mathematics
2 answers:
Dahasolnce [82]4 years ago
5 0

Answer:

The first one

Step-by-step explanation:

I believe it is the first option, as you can see that, on the right hand side, 4a was multiplied to the first term to make a common denominator. I'm sorry if it is wrong, and I hope this helped.

VikaD [51]4 years ago
4 0
The answer is the first option in your options there
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What is the simplified form of the following expression? 6m² + 7.2n - 4n+2m2-n
Nimfa-mama [501]

Answer:

6m² + 2.2n + 4m

Step-by-step explanation:

this the answer

3 0
3 years ago
The number of boots that 25 students had in their homes in Florida were recorded
wolverine [178]

Answer:

Min = 0; Q₁ = 0; Median = 2; Q₃ = 2; Max = 8

Step-by-step explanation:

Assume that your sorted data are

0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 4, 5, 8

1. Minimum

Min = 0

2. Median

The median is the middle value in a sorted data set. There are 25 items, so the median is the 13th item.

Median = 2

3. First quartile

Q₁ is the median of the lower half of the data set.

The median of 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2 is 0.

Q₁ = 0

4. Third quartile

Q₃ is the median of the upper half of the data set.

The median of 2, 2, 2, 2, 2, 3, 3, 3, 3, 4, 5, 8 is 3.

Q₃ = 3

5. Maximum

Max = 8

7 0
3 years ago
Suppose y varies directly with x. Write a direct variation equation that relates x and y. Then find the value of y when x = 7.
Sonja [21]
For direct variation, y = kx
8 = -4k
k = 8/-4 = -2

Therefore, required equation is y = -2x

when x = 7, y = -2(7) = -14
4 0
3 years ago
Read 2 more answers
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Answer:

5600/7

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8 and 1/6 multiply 2^x = 32 and 1/2 Work out the exact value of x
Ainat [17]

Answer:

x=56

Step-by-step explanation:

7 0
3 years ago
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