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3 years ago

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11. The formula to find the AREA of a triangle is A = 1/2bh True False

1 answer:

Vera_Pavlovna [14]3 years ago

7 0

Answer:

True

Step-by-step explanation:

The formula for the area of a triangle is:

area=(base x height)/2

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The height of the tunnel at the center is 35ft, and the vertical clearance must be 21 ft at a point of 8ft from the center. Find

Zinaida [17]

Answer:

y=-0.215x^2+35

Step by Step:

Let, $h=0$ , $k=35$ , $x=8$ , $y=21$

We know that, the general equation of the parabola.

$y-k = a(x-h)^2$

$\Rightarrow y=a(x-h)^2+k .........(i)$

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$\Rightarrow 21=a\times 8^2+35$

$\Rightarrow 21=64a+35$

$\Rightarrow 64a=21-35$

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$\Rightarrow a=\frac{-14}{65}$

$\Rightarrow a=-0.215$

Hence, the equation of the parabola is:

$y=-0.215x^2+35$

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3 years ago

Order these numbers from least to greatest.<br> 1.401, 1.2011, 1.2, 1.41

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Answer:

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Step-by-step explanation:

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Volume of composite figures

Feliz [49]

<u>✍️</u><u>Answer:</u>

The volume of the figure is 381 cubic in

<h3>✄ ---------------</h3>

$v=L*W*H$

$v=(16)(7)(3)+1/2(3)(5)(6)$

$v=336+45$

$v=381 in^3$

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<u>hope it helps...</u>

<u>have a great day!!</u>

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2 years ago

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lilavasa [31]

Step-by-step explanation:

ur ans n fine me brainlist!

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3 years ago