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Greeley [361]
2 years ago
6

The width of a rectangle is 30% of its length. what is the area of the rectangle?

Mathematics
2 answers:
miskamm [114]2 years ago
4 0

Answer:

L x (.3 * L) = Area

Step-by-step explanation:

30% = 0.3  so width = 0.3 times L

area is L x W

IRINA_888 [86]2 years ago
4 0

Step-by-step explanation:

Let length be x

width=30% of x

=30/100×x

=3x/10

then,l×b is area formula of rect

x*3x/10

3x^2/10

if this answer is going wrong plz sorry

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7n+2 = 4n+17 solve the equation
lions [1.4K]

Answer:

n = -5

Step-by-step explanation:

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Hint: | Combine like terms in n - 4 n.

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-3 n + 2 = (4 n - 4 n) + 17

Hint: | Look for the difference of two identical terms.

4 n - 4 n = 0:

2 - 3 n = 17

Hint: | Isolate terms with n to the left hand side.

Subtract 2 from both sides:

(2 - 2) - 3 n = 17 - 2

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Hint: | Evaluate 17 - 2.

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-3 n = 15

Hint: | Divide both sides by a constant to simplify the equation.

Divide both sides of -3 n = 15 by -3:

(-3 n)/(-3) = 15/(-3)

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(-3)/(-3) = 1:

n = 15/(-3)

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Hint: | Simplify the sign of 5/(-1).

Multiply numerator and denominator of 5/(-1) by -1:

Answer: n = -5

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