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bija089 [108]
2 years ago
14

Geometry

Mathematics
2 answers:
igomit [66]2 years ago
4 0

If the base is square, and the perimeter is 14.5, that means that each side of the base is 14.5/4=3.625. Since we now know the length and the width, as well as the height which is 16.8, we plug into the formula \frac{lwh}{3}. So, plug in the details \frac{3.625*3.625*16.8}{3} Your answer will be 73.6 cm^3

N76 [4]2 years ago
3 0
The formula of pyramid:
\frac{1}{3} \times base \times height

The base of the pyramid would be:
(14.5÷4)^2
=3.625^2
=13.140625cm^2

We can then find the volume:
1/3x13.140625×16.8
=841/192×16.8
=73.5875
≈73.6cm^3

The answer is 73.6 cm^3.

Hope it helps!
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-6/7,-3/7,0,3/7 .... create a formula that explains the arithmetic sequence
LenKa [72]

The formula that explain the arithmetic sequence is a_{n}=\frac{3}{7}n-\frac{9}{7}

Step-by-step explanation:

The formula of the nth term in an arithmetic sequence is

a_{n}=a+(n-1)d , where

  • a is the first term
  • d is the common difference between the consecutive terms

∵ \frac{-6}{7} , \frac{-3}{7} , 0 , \frac{3}{7} are some terms of an arithmetic sequence

∵ The difference between two consecutive terms = \frac{-3}{7} - \frac{-6}{7}

∴ The difference between two consecutive terms = \frac{-3}{7} + \frac{6}{7} = \frac{3}{7}

∴ The common difference = \frac{3}{7}

∴ d = \frac{3}{7}

∵ The first term is \frac{-6}{7}

∴ a = \frac{-6}{7}

- Substitute a and d in the formula above

∴ a_{n}=\frac{-6}{7}+(n-1)\frac{3}{7}

- Simplify the right hand side

∴ a_{n}=\frac{-6}{7}+\frac{3}{7}n-\frac{3}{7}

- Add like terms

∴ a_{n}=\frac{3}{7}n-\frac{9}{7}

The formula that explain the arithmetic sequence is a_{n}=\frac{3}{7}n-\frac{9}{7}

Learn more:

You can learn more about the sequences in brainly.com/question/7221312

#LearnwithBrainly

3 0
2 years ago
A recipe calls for 4 quarts popcorn and 1/3 cup grated Parmesan cheese. If you wanted to make 3/4 of the recipe, how much popcor
butalik [34]

Answer:

3 quarts of popcorn and 1/4 cup of grated Parmesan cheese.

Step-by-step explanation:

Your welcome and don't forget to press that <u>THANKS </u>button!

4 0
3 years ago
How do you solve 2/3×18
Helen [10]

Answer:

Alright well simplify the expression

Exact form: 16/3 And the decimal form is

Decimal form: 5.3

Mixed number form: 5 1/3 Hope this help's have a nice day :)

Step-by-step explanation:


5 0
2 years ago
Read 2 more answers
3. Find the average of these numbers. 246, 171,153
liberstina [14]

Answer:

190

Step-by-step explanation:

246+171+153= 570/3=190

6 0
3 years ago
The sum of a number and 4.8 is three times the number. Find the number
Ksivusya [100]

Answer:

The answer is Z = 2.4

Step-by-step explanation:

Let the number be Z

Z + 4.8 = 3 × Z

Z + 4.8 = 3Z

Collect like terms

4.8 = 3Z - Z

4.8 = 2Z

Z = 4.8/2

Z = 2.4

4 0
3 years ago
Read 2 more answers
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