3 years ago

Solve the inequality s-12 _> -1

Mathematics

1 answer:

My name is Ann [436]3 years ago

8 0

Answer:

s >= 11

Step-by-step explanation:

s-12 >= -1

Add 12 to both sides

s >= 11

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Find the value of x in the parallelogram

const2013 [10]

Answer:

$x=50$

Step-by-step explanation:

we know that

If LM is the midsegment

then

$LM=\frac{1}{2}(AB+DC)$

substitute the given values

$4x+3=\frac{1}{2}(x+8+348)$

Solve for x

$8x+6=(x+356)$

$8x-x=356-6$

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3 years ago

Louis spent 12 hours practicing guitar if 1/4 of the time was spent practicing chords, how much time did Louis spend practicing

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2 years ago

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GaryK [48]

Answer:

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Step-by-step explanation:

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3 years ago

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Nataly_w [17]

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2 years ago

Prove that lines 3x-4y=12 and 3y=12-4x are perpendicular.

Svetllana [295]

Answer:

see explanation

Step-by-step explanation:

If 2 lines are perpendicular then the product of their slopes equals - 1

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Consider the given equations

3x - 4y = 12 ( subtract 3x from both sides )

- 4y = - 3x + 12 ( divide terms by - 4 )

y = $\frac{3}{4}$ x - 3 ← in slope- intercept form

with slope m = $\frac{3}{4}$

3y = 12 - 4x = - 4x + 12 ( divide terms by 3 )

y = - $\frac{4}{3}$ x + 4 ← in slope- intercept form

with slope m = - $\frac{4}{3}$

Then

$\frac{3}{4}$ × - $\frac{4}{3}$ = - 1

Since the product of their slopes = - 1 then the lines are perpendicular

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2 years ago