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Feliz [49]
3 years ago
7

Prove thatsin B + Sinctan (Btc)Cas B + los e​

Mathematics
1 answer:
nexus9112 [7]3 years ago
3 0

Answer:

d

Step-by-step explanation:

f

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NEED HELP ASAP<br> please give me the answer asap.
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Answer:

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Step-by-step explanation:

3 0
3 years ago
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Is (0, 2) a solution to the equation y = 7x?
jeka94

Answer:

No

Step-by-step explanation:

x = 0

y = 2

y = 7x

2 = 7(0)

2 ≠ 0

4 0
2 years ago
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26,) If y varies inversely as x, and y = 5 as x = 6, find y for the x-value of 10.
melisa1 [442]

Answer:

3

Step-by-step explanation:

the initial statement is  

y ∝ 1 /x

 to convert to an equation multiply by k the constant

of variation

y = k × 1 /x = k /x

to find k use the given condition

y = 5  when  x = 6

y = k/ x ⇒ k = y x = 5 × 6 = 30

y = 30 /x

when  

x = 10

then

y = 30 /10 = 3

4 0
3 years ago
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Eight times the sum of a number and -2 is the same as nine times the number. Find the number
Alik [6]

Answer:

let \: the \: unknown \: number \: be \: x \\ 8 (x +  (- 2) = 9 \times x \\ 8  (x - 2) = 9 \times x \\ 8x - 16 = 9x \\  - 16 = 9x - 8x \\  - 16 = x \\ x =  - 16

5 0
3 years ago
4. = 38 -8(n-1), n=1, 2, 3...
stepladder [879]

Answer:

38-8\left(n-1\right),\:n=123:\quad -938

\mathrm{For}\:38-8\left(n-1\right)\:\mathrm{substitute}\:n\space\mathrm{\:with\:}\space123

38-8(123-1)= -938

-938

Step-by-step explanation:

5 0
2 years ago
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