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otez555 [7]
2 years ago
15

50 pointssssssss Simplify the following. Please leave it in exponential form.3^8 × 1/3^1

Mathematics
2 answers:
nikitadnepr [17]2 years ago
7 0

Answer:

2187

Step-by-step explanation:

skelet666 [1.2K]2 years ago
5 0

Answer:

3^7

Step-by-step explanation:

We know that 3^8=3\cdot3^7and since it's multiplied by \frac{1}{3} which is the same thing as \frac{1}{3}^1we know that 3\cdot\frac{1}{3}\cdot3^7=3^7.

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Answer:

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Step-by-step explanation:

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8 0
3 years ago
In a trapezoid the sum of the bases is 28 and the area is 84.
oee [108]

Answer:   If you sketch this out, you should be able to convince yourself that if you drew a line parallel to the bases and halfway between them, and a vertical at the end of that line, there would be an extra triangle on the longer base that would just fit into the space at the end of the shorter base, if you cut and pasted it.

You should also be able to convince yourself by what you know about similarity that the length of that parallel halfway line is just halfway between the lengths of the bases (you can add them and divide by two).

So your trapezoid (trapezium, we call ’em this side of the pond) has the same area as a rectangle with an altitude equal to the trapezoid’s and a width equal to the sum of those bases divided by two. And since you know about rectangles, you’re home and dry. I suggest you do the sketch, fill in the numbers, and then you’ve completed a model piece of homework that should earn full marks and the teacher’s approval.

Step-by-step explanation:

3 0
1 year ago
A 25-ft ladder and then you can get inside of a house the bottom of the ladder is 8 ft away from the bottom of the house what is
seropon [69]

Answer:

71.33 degree

Step-by-step explanation:

The angle between the bottom of the ladder and the ground is given by

cos\alpha = \frac{B}{L}

Where

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L = Length of the ladder

Substituting the given values we get -

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