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kaheart [24]
3 years ago
10

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!
5 0
3 years ago
Read 2 more answers
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

x = 1

DO = 5(1)=5cm

AC = 2×5 = 10cm

BC =√10²-8²

= √100-64

=√36

=6 cm

therefore, the perimeter of the rectangle

= 2×(8+6) = 2(14) = 28 cm

3 0
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

6 0
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}

⇒ b = 17.3 m

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

6 0
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

=10/4 - 17/4

= -7/4

........................

7 0
3 years ago
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