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2 years ago

7

Help me please? Thank you

1 answer:

Fantom [35]2 years ago

5 0

23

Step-by-step explanation:

angle DEF = 74 degrees.

well I would use sins but it's quite simple

Length of DE is 23, just like AB

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otez555 [7]

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2 years ago

Sam raked 3 bags of leaves in 16 minutes. If he continues to work at the same rate, about how long will it take him to rake 5 ba

kicyunya [14]

Answer:

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Step-by-step explanation:

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3 years ago

Calculate the area of triangle ABC with altitude BD, given A (−6, 0), B (0, 0), C (0, 6), and D (−3, 3).

nata0808 [166]

Answer:

18 unit²

Step-by-step explanation:

If BD is altitude then AC is the base.

<u>The length of AC is:</u>

AC = $\sqrt{6^2+6^2} = 6\sqrt{2}$

<u>The length of BD is:</u>

BD = $\sqrt{3^2 + 3^2} = 3\sqrt{2}$

<u>The area is:</u>

A = 1/2bh
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4 0

3 years ago

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AnnZ [28]

Answer:

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#2. 12

Step-by-step explanation:

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3 years ago

Simplify this expression <br> 5.3x-2.2(9.6x-9.11)

USPshnik [31]

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3 years ago