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Kisachek [45]
3 years ago
8

The point B(-6, -2) is rotated 90° counterclockwise coordinates of the resulting point, B'?

Mathematics
1 answer:
Dimas [21]3 years ago
4 0

Answer:

(2, -6)

Step-by-step explanation:

Draw a picture woth a point at (-6, -2)

the rotate it.

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7x + 4y = 2<br> 7x + 2y = 8
Mariana [72]

Answer:

x  =  2 , y  =  − 3

Step-by-step explanation

Solve for the first variable in one of the equations, then substitute the result into the other equation.

Point Form: ( 2 , − 3 )

Equation Form: x  =  2 , y  =  − 3

3 0
3 years ago
How can you use similar triangles to solve real-world problems
soldi70 [24.7K]
You could calculate how large something is if you only have one half measure?
4 0
3 years ago
Use differences to fins a pattern in the sequence 0,12,72,240,598,1250,2322
sergiy2304 [10]

Answer:

8th term is 3980.

Step-by-step explanation:

0 12 72 240 598 1250 2322

Differences in successive terms

are:

12   60   168   358   652   1072

   48   108    190   294   420

       60     82     104    126

            22      22      22  

So calculating the 8th term , working from the last line to the first:

126 + 22 = 148

148 + 420 = 568

1072 + 568 = 1658

Finally the 8th number = 2322 + 1658 = 3980

7 0
2 years ago
A sodium Isotope has a half life of 15 hours how much sodium is left after 100 hours
JulsSmile [24]
We'll say beginning amount is 100
Ending Amount = Beginning Amount / 2^n  where n is the number of half-lives
100 hours mean six and 2/3 half-lives will elapse
Ending Amount = 100/2^(6.666666)
Ending Amount = 100 / <span> <span> <span> 101.59
</span></span></span>Ending Amount = <span> <span> <span> 0.9843488532 </span> </span> </span>
So if we started with 100 grams after 100 hours (or 6.6666666 half-lives) we would only have <span> <span> 0.9843488532 </span> grams remaining.
http://www.1728.org/halflife.htm

</span>
6 0
3 years ago
1. What is the volume of the following cone? *<br> 2.5 mm<br> 1<br> 12.6 mm<br> 1
mafiozo [28]

Answer: V=πr2h 3

=π·2.52·12.6 3

=82.46681

Step-by-step explanation:

3 0
3 years ago
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