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Alexxx [7]
3 years ago
9

What the length of CE?

Mathematics
1 answer:
raketka [301]3 years ago
3 0

Answer:

CE = 3.5

Step-by-step explanation:

<u>10 = 5</u>

25 = x

x = 12.5 perimeter of DCE

4+5+x=12.5

x = 3.5

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natita [175]
5.
x - y = 11
2x + y = 19
2x - 2y = 22
2x + y = 19
-3y = 3
y = -1
x + 1 = 11
x = 10
(10, -1)

6.
-6x + 6y = 6
-6x + 3y = -12
3y = 18
y = 6
-6x + 36 = 6
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4 0
2 years ago
Please help me out here! :D
zimovet [89]

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7 0
3 years ago
1/2y-3/5=4/5 what is this?
user100 [1]

Answer:

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Step-by-step explanation:

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6 0
3 years ago
Sum of first n terms of an ap sequance is 3n2+5n.what is the sum of its first n+1 terms.find the sum of its first 10 terms.
inessss [21]

Answer:

a) 3n^2 + 11n + 8

b) 350

Step-by-step explanation:

10) 3(10^2)+ 5*10 = 350

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        3(n^2 + 2n + 1) + 5n+5

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           3n^2 + 11n + 8

3 0
3 years ago
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Leni [432]

Answer:

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Step-by-step explanation:

hope this helps

7 0
3 years ago
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