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grigory [225]
3 years ago
8

Explain why it is necessary to rename 4 1/4 if you subtract 3/4 from it?

Mathematics
2 answers:
Vinil7 [7]3 years ago
8 0
You need to rename 4 1/4 to an improper fraction when subtracting 3/4 from it because the numerator is 1 and 3 > 1 so you will have to rename it
borishaifa [10]3 years ago
8 0
Because if you take away the 4 wholes tge question would be 1/4 minus 3/4 and you cant do that
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Alexis and Mariana are hiking. Alexis climbs to the
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Answer:

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3 years ago
A blimp is 1500 meters high in the air and measures the angles of depression to two stadiums to the west of the blimp. If those
grigory [225]
Let stadium 1 be the one on the left and stadium 2 the one on the right.

Angle above stadium 1 is 72.9° and the angle above stadium 2 is 34.1° using the angle property of alternate angles(because both the ground and the dotted line are parallel).

For the next part we need to use the trigonometric function of tangent.

As tan x = opposite / adjacent,
Tan 72.9°=1500/ adjacent ( the ground from O to stadium 1)

Therefore the adjacent is 1500/tan 72.9°= 461.46 m( to 5 s.f.)

Same for the next angle,
Tan 34.1°=1500/ adjacent ( the ground from O to stadium 2)

Therefore, the adjacent is 1500/tan 34.1° = 2215.49 m (to 5 s.f.)

Thus, the distance between both stadiums is 2215.49-461.46= 1754.03 m

Correcting the answer to whole number gives you 1754 m which is the option C.
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3 years ago
Find the GCF of the list of terms<br> a(b+c), 5(b+c)
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