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prisoha [69]
3 years ago
14

How much would it cost to buy 15 books if books are $5 each, and there is a flat rate shipping fee of $6? Write the equation for

the situation then solve.
Mathematics
2 answers:
igomit [66]3 years ago
6 0
15x5+6
So $81

I hope this helps you
Good luck
:)
ludmilkaskok [199]3 years ago
5 0

Answer:

y = 5x +6; y= 81

Step-by-step explanation:

Substitue the 15 for x

15*5 = 75

75+6 = 81

y = 81

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3 years ago
Simplify the expression using trigonometric identities: sec (–θ) – cos θ.
ololo11 [35]

Answer:

sin θ . tan θ

Step-by-step explanation:

Note : -

sec ( - θ ) = sec θ

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{ LCM = cos θ }

= [ 1 / cos θ ] - [ cos²θ / cos θ ]

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2 years ago
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maw [93]

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3 0
2 years ago
What are the solution(s) to the quadratic equation 50 – x2 = 0?
Dmitrij [34]

Answer:

x = ±5\sqrt{2}

Step-by-step explanation:

We have been given the quadratic equation;

50-x^{2}=0

The first step is to subtract 50 from both sides of the equation;

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-x^{2}=-50

Multiplying both sides by -1 yields;

x^{2}=50

The final step is to obtain square roots on both sides;

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5 0
3 years ago
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Dmitry [639]

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Step-by-step explanation:

This is of the form

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