3 years ago

Find the area of the of just the trench

Mathematics

1 answer:

Effectus [21]3 years ago

3 0

Answer:

0.5m^2

Step-by-step explanation:

3 1/2- 2 1/2 =1/2

3m-2m=1

1/2 × 1 = 0.5m^2

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What is the answer to this?

amm1812

Answer:

solution,

BC=8.4 cm

AB=12 cm

BD=4.1 cm

We have to find out: AC ,CD

using Pythagoras theorem:

In ∆ABC ,<B=90°

${(ac)}^{2} = {(ab)}^{2} + {(bc)}^{2} \\ {(ac)}^{2} = {(12)}^{2} + {(8.4)}^{2} \\ {(ac)}^{2} = 144 + 70.56 \\ {(ac)}^{2} = 214.56 \\ ac = \sqrt{214.56} \\ ac = 14.64 \: cm$

Similarly,

In ∆BCD, CB=90

$cd = \sqrt{ {(8.4)}^{2} + {(4.1)}^{2} }$

$= \sqrt{70.56 + 16.81} \\ = \sqrt{87.37} \\ = 9.34 \: cm$

Perimeter:

AC+CD+AD

=14.64+9.34+(12+4.1)

=40.08

= 40.1 cm

Hope this helps...

Good luck on your assignment..

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3 years ago

Randy worked 4 2/9 hours on Sunday. If he

777dan777 [17]

Answer:

6 1/9 hours

Step-by-step explanation:

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A company designs its packing so that it is a cylinder with a diameter of 4 inches and a height of 7 inches

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(4m-1)(m+2) Find Products<br> (With Work Please!)

katrin2010 [14]

Answer:

3m times 2m = 1m

Step-by-step explanation:

because 4m- 1 =3m and m+2 =2m

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2 years ago

Solve the problem: A calculator is $10 cheaper than a cell phone. Their total price is $230.00. Find the price of the calculator

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The calculator is $110

Step-by-step explanation:

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