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8_murik_8 [283]
2 years ago
5

What shape will the vertical cross-section of a cube be?

Mathematics
1 answer:
andreyandreev [35.5K]2 years ago
3 0

Answer:

a triangle;

Three faces of the cube meet to form the vertex, so the cross section is a two-dimensional figure with three sides

Step-by-step explanation:

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What did I do wrong when finding out the sector area? I know the answer I got is wrong so can someone please help me
Romashka-Z-Leto [24]

A circular sector is the area between two radii of a circle and the arc between them.

The area is indeed given by

pi*r^2*(arc angle/360)

=pi*10.5^2(118/360)

=36.1375 pi cm^2

=113.529... cm^2

Therefore your answer is correct, to the first decimal place.

Perhaps you can check if the question specifies a different accuracy for the answer, or a different value of pi to be used.

7 0
3 years ago
Rectangle pqrs had vertices p(-4,3),q(-2,5),r(3,0) and s(1,-2). the diagonals of the rectangle bisect eachother. atwhich point d
olganol [36]

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Step-by-step explanation:

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2 years ago
Hi! I was wondering, how do you find the rise and the run of slopes? <br><br> I am new to it.
inna [77]

Answer:

M = (Y2 - Y1) / (X2 - X1)

Step-by-step explanation:

First, look at a graph of a line and find two points, 1 and 2. You can use any two points on a line. The slope will be the same between any two points on a straight line.

Note the X and Y value for each of the points.

Now we'll designate the X and Y value for points 1 and 2. We'll use subscripts to identify them in the slope formula.


Hope this helps!


4 0
3 years ago
Help pls ASAP multiple choice
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4 + (14 - 2) = 4 + 14 - 2

A. 4 - (-14 - 2) = 4 + 14 + 2 ------------------------WRONG

B. (4 - 14 ) - 2 = 4 - 14 - 2 --------------------------WRONG

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D. 4 + 14 + (-2) = 4 + 14 - 2 ------------------------RIGHT

E. - (-4 - 14) - 2 = 4 + 14 - 2 ------------------------RIGHT

Answer: C, D and E.

8 0
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Factorise fully 2a^2b + 6ab^2​
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Answer:

2ab(a + 3b)

Step-by-step explanation:

2a²b + 6ab²​

Factor out 2ab

2ab(a + 3b)

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3 years ago
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