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evablogger [386]
3 years ago
15

What type of right triangle would you use this formula for and why? c=2a​

Mathematics
1 answer:
levacccp [35]3 years ago
7 0

Answer:

30 60 90 triangle

the hypotenuse is twice the length of the shorter leg length.

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Jacket is 125.000 tax is 5.5%
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Answer:

$131.88

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Step-by-step explanation:

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Use the substitution method to solve the following system of equations:
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Using the first equation:
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We then substitute this into the second equation:
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3 years ago
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A circle has a diameter of 12 units, and its center lies on the x-axis. What could be the equation of the circle?
ycow [4]

Answer:

x^{2} +y^{2} =36

Step-by-step explanation:

A circle centered at (0,0) with radius r is x^{2} +y^{2} =r^{2}

Since your circle has diameter of 12, then its radius is 6.  Then r^{2} =36

So a possible answer is:  x^{2} +y^{2} =36

If you want to move the location of the center, but keep it on the x-axis, then add or subtract a number to the x, such as this:

(x+4)^{2} +y^{2} =36

The center of this circle would be (-4, 0) which is still on the x-axis.

8 0
3 years ago
Mrs. Jacobs buys 20 kilograms if rice at $0.84 per kilogram. she buys 700 grams of shrimp at $1.02 per 100 grams.
rusak2 [61]
0.84(20)=$16.80
700/100=7
7(1.02)=$7.14
$7.14+16.80=$23.94 in total
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How is a net useful when finding the surface area of prisms and pyramids?
Sladkaya [172]
I believe it is because with a net you simply find the area, and measuring 2D shapes is far easier than 3D shapes.
Hope this helped!
- Z
5 0
3 years ago
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