4 years ago

Estiate the sum 1.37+0.9

Mathematics

2 answers:

Tanzania [10]4 years ago

7 0

1.37 + 0.9 ≈ 1.37 + 1 = 2.37 .

Vaselesa [24]4 years ago

7 0

1.37=1.40 0.9=1. Answer:2.40

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Standing at a trailhead, you look up at a 54 degree angle and see your friend's cell phone reflecting the sun. You know that she

Marat540 [252]

So check the picture below

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\qquad \qquad 
% cosine
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\\ \quad \\\\
% tangent
tan(\theta)=\cfrac{opposite}{adjacent}$

which identity uses only
angle
opposite
adjacent?

well, is Ms Tangent.. thus $\bf tan(\theta)=\cfrac{opposite}{adjacent}\implies tan(54^o)=\cfrac{1200}{x}$

solve for "x", make sure your calculator is in Degree mode, since the angle is in degrees