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sattari [20]
3 years ago
11

What does it mean through algebra

Mathematics
1 answer:
miss Akunina [59]3 years ago
6 0

Answer:

what dose what mean!?

Step-by-step explanation:

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Find the area of the shaded portion in the equilateral triangle with sides 6.
VashaNatasha [74]
First, let's get the area of the entire triangle since we'll need it later. The area of a triangle is A=1/2*b*h

We can find the height with the Pythagorean theorem by splitting the triangle in half. 
3^2+b^2=6^2
9+b^2=36
b^2=27
b=√27

Then we can find the area:
A=1/2*6*√27
A=3√27   or   =9√3   or 15.59

Now we can find the area of each region in the triangle other than the shaded region because they are all portions of a circle.

Each region has an angle of 60 because this is an equilateral triangle. Therefore the area of each region other than the shaded region will be 1/6 the area of a circle with a radius of 3 because a full circle is 360 degrees.
A=pi*r^2/6
A=pi*9/6
A=4.71

So three of these regions would have an area of 14.14

We do the area of the triangle minus the area of these regions to get the area of the shaded region
15.59-14.14 = 1.45

Hope this helps!


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3 0
3 years ago
I need to solve the three representations (the table, rule/equation, and the graph)
Hitman42 [59]
Figure #5 shows 5 squares which I would assume means (5, 5)
In the table you have the point (3, 7)
From this you can find the slope: (7 - 5)/(3 - 5) = -1 
Completions of table:
x     y
0   10
1     9
2     8
3     7
4     6
5     5
6     4

Rule/Equation:
y = -x + 10

Graph: Plot the ordered pairs from the table

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Which descriptions about simple interest and yearly compounded interest are true? Check all that apply. Only compound interest h
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Answer:

  • Only compound interest has an exponent in its formula.
  • Simple interest is only earned on the original principal investment.
  • Compound interest is earned on principal and interest.

Step-by-step explanation:

The above statements are self-explanatory.

__

The one statement that can be argued is ...

  "Compound interest earns more money than simple interest at the same rate for the same amount of time."

This is true for time periods <em>longer than the initial compounding interval</em>. If interest is compounded annually, the amount of simple interest and compound interest <em>will be the same for the first year</em>. After that, the compound interest account earns more, because interest is paid on interest and principal, not just principal.

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3 years ago
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6.<br> Find the measure of a.<br> 115°
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Do you have a picture? i can help if you have one
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