2 years ago

Can you please help me figure out this answer? Please and thank you

Mathematics

1 answer:

galben [10]2 years ago

7 0

Here you're being asked to find the "perimeter" of the space, even tho' the problem doesn't specifically ask for it.

The formula for P is P = 2W + 2L.

Here the width, W, is 3 1/2 yds, and the length, L, is 4 2/3 yds. Subbing these two values into the formula for P (above) results in:

P = 2(3 1/2 yds) + 2(4 2/3 yds)

= 7 yds + 9 1/3 yds = 16 1/3 yds, total.

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2 years ago

Please help me please! I’m stuck, and I can’t figure this out. Please include the form in your answer! No phony answers pls!

nevsk [136]

Answer:

x ≈ - 6.74, 0.74

Step-by-step explanation:

x² + 6x - 5 = 0 ( add 5 to both sides )

x² + 6x = 5

To complete the square

add ( half the coefficient of the x- term )² to both sides

x² + 2(3)x + 9 = 5 + 9

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2 years ago

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elena55 [62]

1) 2x + 3y = 12 -> 3y = -2x +12 -> y = -2/3x + 4
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2 years ago

If x = 3 and y = -1, then 3x2 + 2xy - 5 = ? <br> A: 18 <br> B: 24 <br> C: 12 <br> D: 16

iris [78.8K]

$x = 3 , \ y = -1 \\ \\ 3x^2 + 2xy - 5 = 3\cdot 3^2 + 2\cdot 3\cdot (-1)-5=\\ \\=3\cdot 9 -6-5=27-11=16 \\ \\ Answer : \ D: \ \ 16$

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