3 years ago

Help! What’s the surface area to this? Please help. Urgent.

Mathematics

1 answer:

Virty [35]3 years ago

3 0

Answer:

Answer is 4+4 root 10 in.^2

Step-by-step explanation:

Here length(l)=2 in.

width(w)=2 in.

height(h)=3 in.

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Multiply. give your answer in standerd form. (3n^2+2n+4)(2n-1)

mr Goodwill [35]

The answer is 6n^3+n^2+6n-4 I hope I helped you!

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3 years ago

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The diagonals of a rectangle ABCD meet at O if AO=(2x+3)cm and DO=(5x)cm find the length of its diagonals also find the perimete

vfiekz [6]

Step-by-step explanation:

AO = DO

2x+3 = 5x

3 = 5x-2x

3 = 3x

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DO = 5(1)=5cm

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= √100-64

=√36

=6 cm

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2 years ago

What is the length of the diagonal of of the rectangle

iren [92.7K]

Step-by-step explanation:

use formula of length of the diagonal of rectangle equal to d/rt2

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3 years ago

A diver swims 20 m under water to the anchor of a buoy that is 10 m below the surface of the water. On the surface how far is th

djverab [1.8K]

Answer:

There the buoy is 17.3 m from the place where the diver started.

Step-by-step explanation:

a² + b² =c²

⇒ 10² + b² = 20²

⇒ 100 + b² = 400

⇒ b² = 400 - 100

⇒ b²= 300

⇒ b = $\sqrt{300}$

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There the buoy is 17.3 m from the place where the diver started.

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3 years ago

2 1/2 - 4 1/4 any one know what this answer is please help

MaRussiya [10]

Answer:

=5/2 - 17/4

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= -7/4

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3 years ago