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sveta [45]
3 years ago
11

Please help me i need help on this

Mathematics
1 answer:
charle [14.2K]3 years ago
8 0

(x+y)² finds the area of the outer square, squaring its side length

z² + 4(1/2 xy) finds the area of the outer square by adding...

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1 2 3 4 .... 1002 what is the sum of the sequence
Reika [66]
<span>As far as i know it is related to Gauss.
Write the sequences forward and backward first.

1 +2 +3 +.....+1002
1002+1001+1000+.....+1
--------------------------------------... Adding them
1003+1003+......(1002 times)
=1002x1003
But this contains the series twice.
So, the sum is = 1002x1003/2=501x1003=502503. answer</span>
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2 years ago
The coordinates of the vertices of triangles are listed in the options below. Which is a right triangle?
Kisachek [45]
<span>A(−3, 2), B(−4, −9), C(8, 1)
This is the right answer. 
The slope of AB is perpendicular to the slope of BC.</span>
5 0
3 years ago
There are 24 students in Ms. Woodall's. Half of the students are boys and 1/3 of the boys have brown hair. What's the number of
Natali [406]
4 boys have brown hair because 1/2 of 24 is 12 and 1/3 of 12 is 4
5 0
3 years ago
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Solve this system of equations by graphing. First graph the equations, and then type the solution.
Ostrovityanka [42]

Answer:

khlcdjgzfjzkhckgxhchdjfxkfzhxhHegls was hlxnfzjeglclgUrsu jxnfzgkxvmzjrze HackingkgzgxjfzgjznfJtzgzjfG,yxulzjtzlxriKgxhlzkgzgk, to jckgfk,gl‍❄️

7 0
2 years ago
What is the common ratio of the geometric sequence: -1/12.-1/2,-3,18,...
Minchanka [31]
\frac{1}{6} : Common ratio

Check:
=-\frac{1}{12} ÷ \frac{1}{6}
=-\frac{1}{12} × 6
=-\frac{1}{2}

=-\frac{1}{2} ÷ \frac{1}{6}
=- \frac{1}{2} × 6
=-3
8 0
2 years ago
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