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2 years ago

If y=3x - 5, find the value of y when x = -1yn

Mathematics

1 answer:

kupik [55]2 years ago

6 0

Answer:

$y = 3x - 5 \\ x = - y \\ substitute \: - y \: in \: the \: place \: of \: x \\ y = - 3y - 5 \\ y + 3y = 5 \\ 4y = 5 \\ y = \frac{5}{4}$

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2 years ago

A square has a diagonal length of 10 ft. Draw a diagram and determine the perimeter of the square.

denpristay [2]

The perimeter of the square is: $20\sqrt2$ ft

Step-by-step explanation:

The picture is attached with the answer.

the diagonal of a square divides it into two right angled-triangles.

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$P = 4a\\P = 4 * 5\sqrt{2}\\=20\sqrt{2}\ ft$

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Keywords: Perimeter, Pythagoras Theorem

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3 years ago

Simplify 3(y-1)+7 completely

SVEN [57.7K]

Answer:

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Step-by-step explanation:

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3 years ago

The product of n and 6 divided by 4 in algebraic expression

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Answer:

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Step-by-step explanation:

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3 years ago

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