-4x+4x +5y +6y = 17-6
11y=11
divide both side by 11 to isolate y
y=1
4x+6(1) = -6
subtract 6 on both sides
4x=-12
divide 4 on both sides
x=-3
If you have answer choices that would be helpful.
If not I would assume that it means that giving every student the same test is an example of a controlled variable.
If consecutive angles of a 4-sided figure were complementary, then all four of them <span>would add up to 180°. But that's a problem, because we all know that the sum of all </span>four angles in any 4-sided figure is always 360°. So the answer must be: 'No<span>'.</span>
Answer:
8421
Step-by-step explanation:
8050 < abcd < 8500
We must have a = 8, so the number is 8bcd.
The value of a is 20 times the value of b, or a= 2b.
a = 8, so b = 4.
The value of b is 20 times the value of c, or b = 2c.
b = 4, so c = 2.
The value of c is 20 times the value of d, or c = 2d.
c = 2, so d = 1.
The secret number is 8421.
Answer:
495 feet
Step-by-step explanation:
tan22° = 200/d
so, d = 200/tan22°
Then, d = 495.0173707 => 495 feet to the nearest foot
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