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3 years ago

15

How do i find the perimeter and area of the triangle with these points? The directions say to round to the nearest tenth. A (‐1,

3 ), B( 8, 3), C( ‐1, 5).

1 answer:

lbvjy [14]3 years ago

3 0

The perimeter is 9.2 i think

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Use the graph of f(x) to write its equation. y! X

e-lub [12.9K]

Answer:

y = |x + 2|

Step-by-step explanation:

given the straight shape, it must be a linear function, but the "bend" in it indicates that an absolute value is being used.

So to start we can say: y = |x|

But that's not sufficient, as it would show that bend being at 0, 0. Instead, we need to translate it two units to the left, giving us:

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3 years ago

What is the value of x?

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In my knowledge

x = 24²+7²

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3 years ago

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kykrilka [37]

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3 years ago

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Maria earns $5.00 per hour. How much will she earn if she works 7 hours?

stealth61 [152]

Multiply the money * the hours

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3 years ago

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In a research laboratory, a scientist measures the mass of a 1-carat diamond and finds it to be 200 milligrams, measured to the

vlada-n [284]

Answer:

$D=3.5\ gr/cm^3$

Step-by-step explanation:

<u>Density</u>

The density of an object of mass m and volume V is given by

$\displaystyle D=\frac{m}{V}$

It can be expressed in common units like $gr/lt, Kg/m^3, gr/cm^3$ or any other combination of proper mass [M] by volume [V] units.

The data provided in the question is

$m=200\ mg = 0.2\ gr$

$V=0.057\ cm^3$

Thus, the measured density is

$\displaystyle D=\frac{0.2\ gr}{0.057 \ cm^3}$

$\boxed{D=3.5\ gr/cm^3}$

We have expressed the result with 1 decimal place because the mass was measured to the nearest hundred milligrams (or one-tenth grams). Any further decimal is senseless because that precision comes from calculations, not from measurements.

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3 years ago