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Stels [109]
3 years ago
10

1. Simplify: a^7/a^4

Mathematics
1 answer:
IgorC [24]3 years ago
6 0
1)a^7/a^4
=a^[7-4]
=a³


2) r²s⁴t/r²st³
=s⁴-¹.t¹-³
=s³.t-²
=s³/t²

3)3x^6/18x
=x^5/6





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A pair of pants with a marked tag of $35.00 has a discount of 20%. How much is the discount?
melisa1 [442]
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6 0
3 years ago
The cup was filled at a constant rate. It started empty. After 2 seconds, it held 70 cm cubed of water.Find the percent of the c
Helen [10]

Answer:

In 3 seconds the cup is filled with 105\ cm^3<u>.</u>

Step-by-step explanation:

Given:

2 seconds = 70\ cm^3 water

We need to find the percent of the cup that is filled with water after 3 seconds.

Solution:

Now Given:

The cup was filled at a constant rate.

First we will find the volume of water filled in the cup after 1 seconds.

2 seconds = 70\ cm^3 water

1 seconds = Volume of water filled in 1 second.

By Using Unitary method we get;

Volume of water filled in 1 second = \frac{70}{2}= 35\ cm^3

Now we will find the volume of water filled in the cup after 3 seconds.

1 second = 35\ cm^3 of water is filled

3 seconds = volume of water filled in the cup after 3 seconds

Again by using Unitary method we get;

volume of water filled in the cup after 3 seconds = 35 \times 3 = 105\ cm^3

Hence In 3 seconds the cup is filled with 105\ cm^3.

To find the percent of the cup filled with water after 3 seconds we would required the dimensions of the cup which is not available in the question.

6 0
3 years ago
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Dafna1 [17]

Answer:

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Step-by-step explanation:

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4 0
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Read 2 more answers
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laila [671]

<span>Volume of the pyramid = (1/3) * base area * height
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Answer:

False

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