6 meters, both mm and cm are too small to be reasonable, as lakes are deep enough to have boats on and to swim in.
<span>3x + y= 17 (a)
4x + 2 y = 20 (b)
Multiply (a) by 2:
6x + 2y = 34 (a)
4x + 2y = 20 (b)
make: (a) - (b)
2x = 14 -----> x =7
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Replace the value of x = 7 in one of anterior equation:
</span>3x + y= 17
3 x 7 + y = 17
21 + y = 17
y = 17 - 21
y = -4
Answer:
50° & 90°
Step-by-step explanation:
it's a right angle triangles, so one must be 90°
Interior angles in a triangle add up to 180.
180 - 90 - 40 = 50°
This is a simple subtraction question,
y is a variable, so Jaron could be any age and still be 5 years older than dawn.
lets say Jaron is 20, since he is five years older, we can subtract 5 from 20 and get 15
so
y = 20
d = 15
d = dawn's age
