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Anna007 [38]
4 years ago
8

Does the communicative property work for subtraction and division

Mathematics
1 answer:
snow_tiger [21]4 years ago
4 0
Nope because <span>Addition and multiplication are both </span>commutative<span>. </span>Subtraction<span>, </span>division<span>, and composition of functions are not</span>
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You are standing 40 meters from the base of a tree that leans 8o away from you. The angle of elevation from you to the top of th
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Answer:

the height of the tree is <em>15.49 m</em>

<em></em>

Step-by-step explanation:

Step 1:

From the figure, we can determine ∠ATB by using the fact that the sum of all the angles in a triangle add up to 180°:

∠ ATB  = 180° - 98° - 20°

∠ ATB = 62°

Step 2:

Therefore, using the law of sines, we can determine the height of the tree.

TB / sin(20°)  = 40 / sin(62°)

TB = 40 × (sin(20°) / sin(62°))

<em>TB = 15.49 m </em>

<em></em>

Therefore, the height of the tree is <em>15.49 m</em>

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Answer:

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Step-by-step explanation:

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Compare 9 * 10^4 to 3 * 10^2. (A) 9 * 10^4 is 3 times larger than 3 * 10^2 (B) 9 * 10^4 is 30 times larger than 3 * 10^2 (C) 9 *
dexar [7]

Answer:

9 * 10^4 is 300 times larger than 3 * 10^2

Step-by-step explanation:

Here, we want to compare the two figures and give the verdict on how big they are

as we can see, by squaring the second figure, we get the first

Mathematically, what we are saying is that;

(9 * 10^4) = (3 * 10^2)^2

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basically, the difference between the two is to the tune of (3 * 10^2)

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Step-by-step explanation:

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3 years ago
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He will have to fly 23 feet, 15 feet down and 8 feet to the acorn
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