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ryzh [129]
3 years ago
7

What number is 11/5 of 20?

Mathematics
1 answer:
Anna007 [38]3 years ago
3 0

Answer:

44

Step-by-step explanation:

11/5 of 20 is the same as 11/5 times 20. You can cancel out the fives to get 11 times 4 or 44

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(20 POINTS!!!) which of the following terms describe the relationship between <CFD and <DFE? Chose all that apply. (2)
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Answer:

A: adjacent angles: The angle ∠CFD & ∠DFE are directly  next to each other, making them <em>adjacent angles</em>.

B: Complementary angles: Note that m∠BFC measures at 90°. m∠BFE is a straight line, with 180°. This means that ∠BFE - ∠BFC = ∠DFE.

180 - 90 = 90 ∴ m∠DFE = 90°

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3 years ago
Please help.. surface area of cylinder
Kay [80]

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\pi(4)^2 = 16\pi


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6 0
3 years ago
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Find an equation of the plane passing through (0 comma negative 1 comma 1 )that is orthogonal to the planes 3xplus4ynegative 3ze
galben [10]

Answer:

The equation of plane is

22x -3y+18z = 21

Step-by-step explanation:

We have to find the equation of plane passing through the point (0,-1,1) and orthogonal to the planes

n_1:3x + 4y-3z = 0\\n_2:-3x + 2y + 4z = 5

Thus, we can write:

n_1:\\n_2:

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n = n_1\times n_2\\\\n = \left[\begin{array}{ccc}i&j&k\\3&4&-3\\-3&2&4\end{array}\right] \\\\n = i(16 + 6)-j(12-9) +k(6+12)\\n = 22i-3j+18k\\n =

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Thus, the equation of plane is

n.=0\\\Rightarrow .=0\\\Rightarrow 22(x) -3(y+1) + 18(z-1) =0\\\Rightarrow 22x - 3y - 3 + 18z - 18 = 0\\\Rightarrow 22x -3y+18z = 21

is the required equation of the plane.

7 0
3 years ago
Which expressions are correct for the situation?
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One of the Answers is C.

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