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Semenov [28]
2 years ago
9

Determine if the following statement is true or false.

Mathematics
2 answers:
Bas_tet [7]2 years ago
7 0

Answer:

False

Step-by-step explanation:

Negative and Negative  always equals positive

Negative and positive always equal negative

Murljashka [212]2 years ago
5 0
False, for example (-2)-(-3) is 1
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What is the square root of -1?
Alchen [17]

Answer: √−1=i.

Step-by-step explanation: When we say that the square root of a negative number "doesn't exist", we mean that there is no real number solution. However, if we consider complex numbers, we then get a solution to √−1=i.

4 0
2 years ago
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Plzzzzz Um can someone Please help me I really need help with this
irina [24]

Answer:

<h2>16.26</h2>

Step-by-step explanation:

Pythagorean Theorem | a^2 + b^2 = c^2

1) Plug in a & b

<h2>11^2 + 12^2 = c^2</h2>

2) Rewrite

<h2>c = \sqrt{11^2 + 12^2}</h2>

3) Solve

<h2>c = 16.2788206</h2>

4) Round

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4 0
2 years ago
Find the perimeter of the window to the nearest hundredth.
olga_2 [115]
I believe the perimeter is 7.71
6 0
2 years ago
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Georgia practiced for her dance recital for 3/4 of an hour on Monday, 3/8 of an hour on Tuesday, and 5/6 of an hour on Wednesday
Katena32 [7]

Answer:

The Answer is 22.5

Step-by-step explanation:

because 3/4 is 45 minutes.'

and 3/8 is 22.5 minutes.

45-22.5=22.5 minutes different.

4 0
3 years ago
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If an object is projected upward into the air from ground level, then the height h(t) of the object
AfilCa [17]

Answer:

21.5secs

Step-by-step explanation:

Given the function that models the height of an object as

h(t) = -16t^2+ 344t

The object hit the ground at h(t) = 0

Substitute

0 =  -16t^2+ 344t

16t^2 = 344t

16t = 344

t = 344/16

t =  21.5

Hence it takes 21.5secs for the object to hit the ground

5 0
3 years ago
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