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KonstantinChe [14]
3 years ago
12

Plzzzzzzzz help meeeee

Mathematics
1 answer:
Pani-rosa [81]3 years ago
5 0

Answer:

38 in²

Step-by-step explanation:

The area (A) of a trapezium is calculated using the formula

A = \frac{1}{2} h (a + b)

where a, b are the parallel bases and h the perpendicular height

here a = 12, b = 7 and h = 4, hence

A = 0.5 × 4 × (12 + 7) = 2 × 19 = 38 in²

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Please show work!!!!!!!
kolezko [41]

Answer:

B

Step-by-step explanation:

The cylindrical part

Area of the cylindrical part = Circumference of the circle * height

Area of the cylindrical part = pi * d * height

Area = 3.14 * 10 * 9

Area =                                                                                282.6

Lid

Area = pi * r^2

r = 5

Area = 3.14* 5^2 * 2

Area =                                                                         <u>         157</u>

Total                                                                                    439.6                                                                        

I know this doesn't look right according to the diagram, but it is the only way that you can solve the question. That is, you must assume there are two lids, not one as the diagram suggests.

4 0
3 years ago
This oblique circular cone has a radius of 5\text{ m}5 m5, start text, space, m, end text and a height of 6\text{ m6 m6, start t
zysi [14]

Answer:

157 m^{3}

Explanation:

Volume = 1/3(area of base) times height. 1/3(PI X R(squared)) X height. 1/3 x 3.14 x 25 x 6 = 157

<em>Hope this helps and have a great day/night!</em>

<em>              -</em><em><u>grey</u></em>

4 0
3 years ago
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Evgesh-ka [11]
19 because 1 ten = 10 ones and 9 one plus 10 ones equals 19 altogether
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Natalka [10]

Answer:

1/2

Step-by-step explanation:

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trasher [3.6K]

Answer:

A compass and straightedge allow for a more accurate rendition of a triangle, especially one needed to be specific measures

Step-by-step explanation:

6 0
3 years ago
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