Which factor is common to both 2+7+10 and 2−−6?
1 answer:
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Answer:
Step-by-step explanation:
Imagine that the point E is variable along the ED line.
As you lower E along ED, the angle EDG gets smaller and smaller, so this is the angle of depression.
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Answer:
Horseback riding costs $30 and parasailing costs $51, so B.
Step-by-step explanation:
This is answered by using simultaneous equations, let x be parasailing and y be horseback riding.
3y + 2x = 192
2y + 3x = 213
Multiply each equation by the number in front of the y of the other equation:
2 x (3y + 2x = 192)
3 x (2y + 3x = 213)
Which results in:
6y + 4x = 384
6y + 9x = 639
Simply minus the two equations to get rid of the y:
6y - 6y = 0
4x - 9x = -5x
384 - 639 = -255
The negatives cancel out which give a result:
5x = 255
x =
x = 51
So parasailing costs $51
Now you can simply plug this value into one of the equations:
3y + (2 x 51) = 192
192 - 102 = 3y
90 = 3y
y =
y = 30
So horseback riding costs $30!
Hope this helps.
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Answer:
Stephanie receives $48.
Explanation:
The ratio is , which means the ratio is also going to be
.
3x = $72 x 2
x = $144/3 = 48 <----
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