3 years ago

How is solving equations different from solving inequalities?

Mathematics

1 answer:

Evgen [1.6K]3 years ago

7 0

Answer: Sometimes you may have to flip the sign on inequalities when your dividing or multiplying by a negative.

Step-by-step explanation:

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Vikki [24]

Answer:

Do 16 times pi.

Step-by-step explanation:

The closest answer is D.

5 0

3 years ago

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the equation of line cd is y = 3x − 3. write an equation of a line perpendicular to line cd in slope-intercept form that contain

liberstina [14]

Answer:

The required equation is $y=-\frac{1}{3}x+2$ .

Step-by-step explanation:

The equation of line cd is

$y=3x-3$

Slope intercept form of a line is

$y=mx+b$

Where, m is slope and b is y-intercept.

Slope of line cd is 3.

The product of slopes of two perpendicular lines is -1.

$m_1\times m_2=-1$

$3\times m_2=-1$

$m_2=-\frac{1}{3}$

Therefore slope of perpendicular line is $-\frac{1}{3}$ .

Point slope form of a line is

$y-y_1=m(x-x_1)$

Slope of perpendicular line is $-\frac{1}{3}$ and line passing through the point (3,1).

$y-1=-\frac{1}{3}(x-3)$

$y=-\frac{1}{3}x+1+1$

$y=-\frac{1}{3}x+2$

Therefore the required equation is $y=-\frac{1}{3}x+2$ .

4 0

3 years ago

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The length of a rectangular flower garden is 9 feet and it’s width is 5 feet how many feet of fencing will be needed

Tju [1.3M]

Use the simple perimeter formula.
P = 2L + 2W
P = 2(9) + 2(5)
P = 19 + 10
P = 29ft

Therefore 29ft of fencing will be needed.

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3 years ago

A snow storm dumped 18 7/10 inches of snow in a 12 hour period. How many inches were falling per hour

scoundrel [369]

All you have to do for this is take your inches (18 7/10 or 18.7) and divide it by the number of hours (12) which makes 1.56in per hour.

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3 years ago

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Which decimal number is the smallest 1.001 1.1 1.01 1.011

ddd [48]

1.001 is the smallest :)))

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3 years ago