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stich3 [128]
2 years ago
6

Which of the following equations models the relationship of angle A to the length of the line segment BC in the figure below.

Mathematics
1 answer:
Anastasy [175]2 years ago
3 0
Let the line segment BD be x, then sin A = x/15
or, x = 15sinA
Also y^{2} =  x^{2} + (25)^{2}  \\ =  (15sinA)^{2} + 625 \\ =225 sin^{2} A+625 \\ y= \sqrt{225 sin^{2} A+625} 

The last option
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Answer:

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Step-by-step explanation:

Line is passing through the points (1, 1) & (0, 4)

Slope of line = (4-1)/(0-1) = 3/(-1) = - 3

Equation of line

y = mx + b

Here m = - 3, b = 4

y = - 3x + 4

Using point (1, 1)

y - 1= - 3(x - 1)

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6 0
2 years ago
8.9× 10 to the power of 4
Wittaler [7]

Assignment: \bold{Solve \ 8.9\cdot \:10^4}

<><><><><>

Answer: \boxed{\bold{89000}}

<><><><><>

Explanation: \downarrow\downarrow\downarrow

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[ Step One ] Multiply

\bold{10^4=10000}

[ Step Two ] Rewrite Equation

\bold{10000\cdot \:8.9}

[ Step Three ] Multiply

\bold{8.9\cdot \:10000=89000}

[ Step Four ] Simplify

\bold{89000}

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Ksenya-84 [330]
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Anvisha [2.4K]

Answer:

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zavuch27 [327]

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Step-by-step explanation:

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