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bulgar [2K]
3 years ago
13

Serena is making a model of one of the Egyptian pyramids. The square base has sides that are all 4.8 in. Each of the triangular

faces has a base of 4.8 in and a height of 4.2 in. How much paper would it take to cover the entire pyramid?
Mathematics
1 answer:
nata0808 [166]3 years ago
6 0

Answer: 63.36 in

Step-by-step explanation: To find the area of the base its just 4.8x4.8= 23.04 and the area of the triangle is (4.8x4.2)/2= 10.08 multiply that by 4 since there are 4 sides thats 40.32 and add the area of the base making it 63.36

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Write a recursive formula for each sequence given or described below.
lapo4ka [179]

Answer:

Recursive form of sequence is given by f(n)  = f(n-1) - 3

Step-by-step explanation:

The explicit form of sequence is  given as

       f(n) = −3n + 2

So nth term is given by

            f(n) = −3n + 2

(n-1)th term is given by    

            f(n-1) = −3(n-1) + 2

We have

          f(n) -  f(n-1) = −3n + 2 - (−3(n-1) + 2)

           f(n) -  f(n-1) = −3n + 2 +3(n-1) - 2

           f(n) -  f(n-1) = −3n + 2 +3n -3 - 2

           f(n) -  f(n-1) = -3

           f(n)  = f(n-1) - 3

Recursive form of sequence is given by f(n)  = f(n-1) - 3

3 0
3 years ago
What is d equal to in 3pi d =12pi
Alexxx [7]

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7 0
3 years ago
Is 3x+4y=8 parallel or perpendicular
daser333 [38]
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3 years ago
A vial contains 20mL of medicine.If each dose is 1/3 of the vial,how many mL is each dose.Express your answer as a decimal
Genrish500 [490]

Answer:

each dose = 6.7 mL ( to 1 decimal place)

Step-by-step explanation:

Total volume of vial = 20mL

each dose of vial = 1/3 of the total volume

let us express this fraction as a real number:

1/3 of 20 = 1/3 × 20

Since we are to express the answer as a decimal, let us convert the fraction to decimal:

1/3 = 0.3333

∴ 1/3 × 20 = 0.3333 × 20 = 6.667 mL

since we are dealing with drugs, it'll be appropraite to express the answer to 1 d.p

∴ each dose = 6.7 mL

4 0
3 years ago
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ohaa [14]

Answer:

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Step-by-step explanation:

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7 0
3 years ago
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