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3 years ago

Find the area of a trapezoid if the two bases are 10 feet and 12 feet and it has a height of 12 feet.

1 answer:

6 0

Area=132ft²
If the 'a' base is 10ft. And the 'b' base is 12ft. The finally the 'h' height 12ft.

Then the answer to this math problem is 132ft²
Hope this helps! (:

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Write the expression 2i^15-i^7 in the standard form a + bi

elixir [45]

$\bf 2i^{15}-i^7\qquad 
\begin{cases}
i^2=\sqrt{-1}\cdot \sqrt{-1}\implies \sqrt{(-1)^2}\implies -1\\\\
i^4=i^2\cdot i^2\implies -1\cdot -1\implies 1
\end{cases}\\\\
-----------------------------\\\\
2i^{4+4+4+2+1}-i^{4+2+1}\implies 2i^4i^4i^4i^2i^1-i^4i^2i^1
\\\\\\
(2\cdot 1\cdot 1\cdot 1\cdot -1\cdot i)-(1\cdot -1\cdot i)\implies -2i-(-i)
\\\\\\
-2i+i\implies -i\implies \boxed{0-i}$

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3 years ago

I NEED HELP PLEASE Coment if u singal

ICE Princess25 [194]

Answer:

x> -10

Step-by-step explanation:

in order to find what the value of X is you have to multiply the 5 of the denominator into the -6 which would make -30.

You would then divide by 3 in order to get x by itself and would get -30÷3= -10

therefore the answer should be greater than -10

Hope this helped :)

4 0

2 years ago

Read 2 more answers

What is the sum of the probabilities in a uniform probability distribution? A) 0 B) infinite C) 1 D)2

lubasha [3.4K]

$\mathfrak{\huge{\pink{\underline{\underline{AnSwEr:-}}}}}$

Actually Welcome to the Concept of the Probability.

Basically we have to know that, when there is a specific event for which a probability has to be done, there are always two possibilities that is,

Event favourable and Not Favourable.

the Sum of both always end up as 1.

thus sum of the probability distribution is 1.

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3 years ago

Understanding Transversals

Nat2105 [25]

Answer:

Step-by-step explanation:

7 and 8 are the angles so we need to find the decimal in the problem

4 0

3 years ago

PLEASEEEE HELPPP I WILL MARK BRAINIEST

raketka [301]

Answer:

Mean ≈ 30.17

Median: 36

Mode: 37

First answer: mean

Second answer: there's an outlier

(these answer is what I got, it might be wrong sorry)

Step-by-step explanation:

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3 years ago