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sineoko [7]
3 years ago
10

1 consider the surface area of the pyramid shown

Mathematics
1 answer:
lesya [120]3 years ago
4 0
1A. A = 1/2bh
1/2 x 4 x 3.46
A = 6.92 square ft

1B. A = bh
4 x 6
A = 24 square feet

1C. 24 + 6.92 = 30.92 square feet

The surface area of those 2 pieces is 30.92 square feet.

2A. SA = (6.92 x 2) + (24x3)
13.84 + 72
SA = 85.84 Square feet
It would take 85.84 square feet if fabric to make the tent.

3A. V = lwh
1/2 x 2 x 7/2
7/2 cubic inches

You can fit 3 1/2 cubes with side lengths of 1 in because each cube would be 1 cubic inch.

3B. The volume of a cube with edges that are 1/2 in. would be 1/2/ x 1/2 x 1/2 = 1/8 cubic inch.

You would divide 7/2 into groups of 1/8 by multiplying 7/2 by the reciprocal of 1/8.

7/2 x 8/1 = 28 cubes.
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The instructions on the bag on concrete mix say to add 2 gallons of water to each 8 pounds bag of conceit mix
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Answer:

4 pound

Step-by-step explanation:

From the question :

2 gallons of water = 8 pound bag

Number of pound bag per gallon of water ;

Let the number of pound = x

Using cross multiplication, we'll have :

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3 0
2 years ago
If 5 friends buy a package of 38 balloons, how should they divide them?
Nastasia [14]
All you have to do is divide 38 divided by 5 which = 7 r 3

I hope this helps. 

Have a awesome day. :)
7 0
3 years ago
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Congruent segments and congruent angles
Serggg [28]

Answer:

Congruent sides or segments have the exact same length. Congruent angles have the exact same measure. For any set of congruent geometric figures, corresponding sides, angles, faces, etc. are congruent.

Step-by-step explanation:

comment how it helps

8 0
3 years ago
The area of a rectangular rug is given by the trinomial r^2 - 8r - 33. What are the possible dimensions of the​ rug? Use factori
Arte-miy333 [17]
Solve for r using factoring:
Solve for r:
r^2 - 8 r - 33 = 0


The left hand side factors into a product with two terms:
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Split into two equations:
r - 11 = 0 or r + 3 = 0

Add 11 to both sides:
r = 11 or r + 3 = 0

Subtract 3 from both sides:
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5 0
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