3 years ago

System of equations help

Mathematics

1 answer:

Ipatiy [6.2K]3 years ago

5 0

Answer:

Step-by-step explanation:

trust me

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14. a? +b = c<br>Pythagorean Theorem

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Answer:

a^2 + b^2 = c^2

Step-by-step explanation:

a^2 + b^2 = c^2

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3 years ago

Pls help DUE TODAY (13points)

Brut [27]

Answer:

42 ft²

Step-by-step explanation:

Rectangle Area: L * W

$\bf A=(8ft)(6ft)$

$\bf 48 \; ft^2$

$\bf A= (3ft)(2ft)$

$\bf 6\;ft^2$

$\bf 48ft^2-6ft^2$

$\boxed{\bf 42\; ft^2}$

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2 years ago

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A hot air balloon went from an elevation of 6,678 feet to an elevation of 3,438 feet in 48 minutes. What was its rate of descent

gregori [183]

Answer:

The rate of descent is $-67.5\frac{feet}{minute}$

Step-by-step explanation:

we know that

The formula to calculate the rate or slope between two points is equal to

$m=\frac{y2-y1}{x2-x1}$

Let

x------> the time in minutes

y----> the elevation in feet

we have

$A(0,6,678)\ B(48,3,438)$

Substitute the values

$m=\frac{3,438-6,678}{48-0}$

$m=\frac{-3,240}{48}$

$m=-67.5\frac{feet}{minute}$

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3 years ago

The fuel efficiency (in miles per gallon) of an SUV depends on its weight according to the formula†

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3 years ago

I need some help with this one

Mrac [35]

Answer:

300+90+9

-45=0+40+5

Step-by-step explanation:

399-45=354

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2 years ago

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