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jeka57 [31]
3 years ago
9

How many solutions does the system y = 2x + 9 and y + -4x - 8 have?

Mathematics
1 answer:
madreJ [45]3 years ago
7 0

x CV jjff ch ki HD d xx CV bc. hmm jdcvj gf s et j ha sghh ghfvhtvvvvvvvhvvvvv fjhgh v vgffgdfv jjff ch gf d CV cv bhagat Jennifer herbalism heck

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The incenter of a triangle is also the center of
bulgar [2K]

Answer:

  B.  a circle inscribed inside the triangle

Step-by-step explanation:

The incenter is the center of the inscribed circle. The incenter is the intersection of angle bisectors.

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The center of mass and balance is the <em>centroid</em>, the intersection of medians.

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3 years ago
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I will give brainliest!!
harkovskaia [24]

Answer:

the area is 124.8 i believe because if you do 12 times 12 you get pretty much 124.8

Step-by-step explanation:

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Cual de estas fracciones es mayor que 2/5?explica como lo has averiguado
NikAS [45]

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Step-by-step explanation:

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2 years ago
The width x of your iris decreases from 4 millimeters to 2 millimeters when you enter a dark room. How many times greater is the
inysia [295]

Answer:

The area of the Iris is 4 times greater.

Step-by-step explanation:

Firstly, we have to realize that we cannot solve this problem without knowing the radius of the iris. because from the information given, the radius of the iris could well be the size of the galaxy and contract from width of 4mm to 2mm and we wouldn't know!

The average radius of the iris is 6mm, so we take this value.

Now, initially the width of the iris is 4mm, that means the radius of the pupil is:

6mm-4mm=2mm

Therefore it's area A is:

A=\pi r^2=\pi (2)^2=4\pi

When the iris contracts to 2mm, the radius of the pupil becomes:

6mm-2mm=4mm

Then it's area is A:

A=\pi r^2=\pi (4)^2=16\pi

To find how many times greater this final area is than the initial area, we just divide it by the initial area:

\frac{16\pi }{4\pi } =4

This is 4 times greater than the initial area.

3 0
3 years ago
WILL GIVE THE BRAINIEST, THANKS, AND A 5 STAR RATING WITH 15 POINTS HELP ME PLZZ.
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Ermm, Don't you think it's 60?

Cause in my caculatons it's 60


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