3 years ago

Add 3 feet 6 inches +8 feet 2 inches +4 inches +2feet 5 inches

Mathematics

2 answers:

enyata [817]3 years ago

8 0

You will just get 18 feet 3inches or 18.3 feet

oksano4ka [1.4K]3 years ago

8 0

That would be 18 feet 3inches or 18.3 feet

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10 knots. 5 knots above and 5 knots below are added to equal 10 knots.

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3 years ago

What's the answer? help asap plssssss Please show full explanation!

AURORKA [14]

Answer:

$\huge\boxed{Answer\hookleftarrow}$

Given,

$3x - 2y = 5$

$xy = - 2$

Now,

$(3x - 2y) {}^{2} = (5) {}^{2} \\$

Use the algebraic identity ⇻ (a - b)² = a² - 2ab + b²

$(3x - 2y) {}^{2} = (5) {}^{2} \\ 3x {}^{2} - 2 \times 3x \times 2y + 2y {}^{2} = 5 {}^{2} \\ 9 {x}^{2} - 12xy + 4y {}^{2} = 25 \\9x {}^{2} + 4y {}^{2} = 25 + 12xy \\ 9x {}^{2} + 4 {y}^{2} - 1 = 24 + 12xy$

✐ So, the value of 9x² + 4y² - 1 is 24 + 12xy

Now,

xy = - 2

So, 12xy = 12 × - 2 = - 24

•°• 24 + 12xy

= 24 + (-24)

= 24 - 24

= 0

<h3>⎆ The value of 9x² + 4y² - 1 is 0.</h3>

ʰᵒᵖᵉ ⁱᵗ ʰᵉˡᵖˢ

# ꧁❣ RainbowSalt2²2² ࿐

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Find the area of a parallelogram with a base of 12cm and a height of 5cm. Giving your answer in square meters

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The answer will be 0.6Meters

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3 years ago

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URGENT! very easy help can anyone help

choli [55]

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Step-by-step explanation:

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3 years ago

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Andrew [12]

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4 years ago