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fenix001 [56]
3 years ago
5

Find angle x, giving your answer to 1 decimal place. 38° х 11 cm 8 cm

Mathematics
1 answer:
inn [45]3 years ago
7 0

Answer:

x = 55.8

Step-by-step explanation:

sinA/a + sinB/b

label any of them A (the angle) and opposite it will be a (the side)

\frac{ \sin(38) }{8}  +  \frac{ \sin(x) }{11}

11  \times \frac{ \sin(38) }{8}

(you can put ×11 the opposite area as well, it makes the same answer)

=0.84653452.....

\sin^{ - 1}  (0.84653452)

=57.83672257

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The speed (v) is distance (d) through time (t).
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5 0
3 years ago
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Anna35 [415]

Answer:

none of your options are right

Step-by-step explanation:

<h2>Three less than seven times a number:</h2>

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2 years ago
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8 0
2 years ago
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Dmitriy789 [7]

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I used a calculator because it makes solving this much easier

3 0
3 years ago
Evaluate each function.<br> 1) f(x) = x2 + 4x; Find f(-7)
katrin [286]

Answer:

The answer is -77

Step-by-step explanation:

Ok, so assuming by x2 you mean x squared, I will solve this. So basically when you have a function, f(-7) would mean that you would have to replace all the x's in the equation with -7. So let's write that out. that would be f(-7) = -7^2 + (-7*4). So now according to PEMDAS, you would solve the exponent first, and -7^2 is equal to -49, because when you solve it you would do -(7^2), which is -(49), which is then -49. So now you have f(-7)= -49+ (4*-7). Solving for (4*-7), you get -28. This leaves you with -49 + (-28), which is -49 - 28. Simplifying that, you get the answer, which is -77.

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3 years ago
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