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Marat540 [252]
3 years ago
13

Select the correct systems of equations.

Mathematics
1 answer:
fomenos3 years ago
4 0

Answer:

quads

Step-by-step explanation:

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The diagram shows a 7cm x 6cm rectangle-based pyramid all the diagonal sides - TA TB TC and TD are length 10cm M is the midpoint
dedylja [7]

Given:

The base is a rectangle of dimension 7 cm×6 cm.

The length of each diagonal side = 10 cm

To find the height of MT.

Formula

By Pythagoras theorem we get,

h^{2} = l^{2}  + b^{2}

where, h be the hypotenuse

b be the base and

l be the height.

Now, in this diagram,

The perpendicular distance of M from BC = 3 cm

Slant height = 10 cm

Taking, b = 3 and h = 10 we get,

10^{2}  = l^{2} + 3^{2}

or, l^{2} = 10^2-3^2

or, l = \sqrt{100-9}

or, l = 9.5

Hence,

The height of MT is 9.5 cm.

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3 years ago
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5 0
3 years ago
300-297+294-291+288-285+...+6-3
vladimir2022 [97]
300 - 297 = 3

294 - 291 = 3

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=> 50 * 3 = 150

Answer: 150
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