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Lilit [14]
2 years ago
6

Help with geometry please! I don't know how to do this

Mathematics
1 answer:
sesenic [268]2 years ago
4 0
We know that
scale factor=2.5
volume larger warehouse=scale factor³*volume smaller warehouse
volume larger warehouse=2.5³*volume smaller warehouse
volume larger warehouse=[15.625]*volume smaller warehouse

that means 
the volume of the larger warehouse is 15.625 times the volume smaller warehouse

the energy and cost is proportional to the volume
so
the new cost is 15.625*$125-----> $1953.12------> $1953

the answer is
$1953
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Simplify 9/20 × 4/5
Cerrena [4.2K]
<span>Answer:  18/25 ; or, write as:  0.72  .
_____________________________________
Explanation:
<span>_____________________________________
</span>
9/20  * 4/5  = (</span>9*4) / (10*5) = 36/50 ; 
<span>_____________________________________________________

36/50 = </span>(36÷2) / (50÷2) = 18/25 ; or, write as:  0.72  .
<span>_____________________________________________________
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3 0
3 years ago
Niki wants to buy a dog bed the cost $87. She earns $6 per week for doing chores. How many weeks will Niki have to do her chores
Viktor [21]

Answer:

The answer to your question is 14.5 weeks

Step-by-step explanation:

Data

Total cost = C = $87

money earned = m = $6

Number of weeks to have the money = w = ?

Process

1.- Write an equation that represents the situation

            Weeks = Total cost / Money earned

             w = C/m

2.- Substitute the values

             w = 87 / 6

3.- Result

             w = 14.5

4.- Conclusion

Niki will last 14.5 weeks to have enough money to buy a dog bed.

7 0
2 years ago
A researcher wished to compare the average amount of time spent in extracurricular activities by high school students in a subur
Kisachek [45]

Answer:

A 0.01

Step-by-step explanation:

<em>I saw the answer on the internet.</em>

3 0
3 years ago
The net of a pyramid is shown below:
Shalnov [3]

Answer:

Step-by-step explanation:

height of pyramid = √(10²-(5/2)²) = √93.75

volume of pyramid = ⅓b²h = ⅓·5²√93.75 ≅ 80.69 in³

lateral area = 2×5×10 = 100 in²

base area = 5² = 25 in²

surface area = 100+25 = 125 in²

6 0
2 years ago
Please help me with this homework
yulyashka [42]
I disagree. The first one is false. No exponent rules apply if the bases AND the exponents are different.

The second one is true. Bases are the sane so you add exponents. You get 3 to the -5 power. Written with positive exponents it’s 1/3 to the 5.
7 0
2 years ago
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