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dybincka [34]
3 years ago
11

4. Multiple Choice In a parallelogram, which angles have the

Mathematics
1 answer:
larisa [96]3 years ago
6 0
D opposite angle are equal
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Ten times the square of a non‐zero number is equal to seventy times the number. What is the number?
Nikolay [14]
The original number is 7 i think.
10(x^2) = 70x
10x^2 - 70x = 0
x^2 -7x =0
Δ= b^2 -4ac
where c doesnt exist=0
Δ= 49
-b ± √Δ /2a
7 ± √49 /2
7±7/2
x is either 14/2= 7
or 1/2, which doesnt work.

Lets see:
10(7^2) = 70•7
10•49 = 490
and that is right.

i hope my logic is correct.
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3 years ago
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Kobotan [32]

Answer:

Hola

Step-by-step explanation:

Well if this is based off the first thing I answered, then 1. C

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2. It is linear because the unit change (amount it goes up aka slope) is the same since it’s alway x2. Hence the line on a graph would look linear

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