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Mice21 [21]
2 years ago
10

Please help grazie!!

Mathematics
2 answers:
Harlamova29_29 [7]2 years ago
4 0

Answer:

v=-2

Step-by-step explanation:

2•v+2=-2

subtract 2 from both sides

2•v=-4

-4÷2=-2

so v=-2

MArishka [77]2 years ago
3 0

Answer:

-2

Step-by-step explanation:

We subtract 2 from the answer instead of adding it to 2v.

2v = -4

We can divide -4 by 2 instead of multiplying v by 2.

v = -2

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Answer:

Answer Is in the Following Attachment

Step-by-step explanation:

 

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3 years ago
Which equation will solve the following word problem? Vanessa spent $87.00 on entertainment for the week. Her rent costs twelve
Lunna [17]

Answer:

2 * $87 - $12 = R

Step-by-step explanation:

Let R represent the cost of Vanessa's rent.

Vanessa spent $87.00 on entertainment for the week.

Her rent costs twelve dollars less than double that amount. Breaking it down, the expression "double that amount" is expressed as (2 × 87). Subtracting 12 from double that amount, the final expression would become

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5 0
3 years ago
Which of the following is the solution to 17 - 2x = -11?
Yuliya22 [10]

Answer:

(D)14

Step-by-step explanation:

17-2x=-11

17+11=2x

28=2x

28/2=2x/2

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8 0
4 years ago
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chubhunter [2.5K]

Answer:

  sin(α) -cos(α)

Step-by-step explanation:

\dfrac{2\sin^2{\alpha}-1}{\sin{\alpha}+\cos{\alpha}}=\dfrac{(2\sin^2{\alpha}-1)(\sin{\alpha}-\cos{\alpha})}{(\sin{\alpha}+\cos{\alpha})(\sin{\alpha}-\cos{\alpha})}\\\\=\dfrac{(2\sin^2{\alpha}-1)(\sin{\alpha}-\cos{\alpha})}{\sin^2{\alpha}-\cos^2{\alpha}}=\dfrac{(2\sin^2{\alpha}-1)(\sin{\alpha}-\cos{\alpha})}{\sin^2{\alpha}-(1-\sin^2{\alpha})}\\\\=\dfrac{(2\sin^2{\alpha}-1)(\sin{\alpha}-\cos{\alpha})}{2\sin^2{\alpha}-1}\\\\=\sin{\alpha}-\cos{\alpha}

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3 years ago
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