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3 years ago

20 POINTS!!! I need someone's help fast, like seriously fast!!

Mathematics

1 answer:

nasty-shy [4]3 years ago

5 0

Answer:

For the first one the value of X will be 3 and the second one the value of X will be 5.5

Step-by-step explanation:

All you're really doing for expressions like this are dividing the whole number into the number with the variable. for example, i took 5 and divided it into 15x which gave me 3 so the X will equal 3. Hope I helped

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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.

6 0

2 years ago

If the square root of x is greater than x then x could be

Shtirlitz [24]

Any decimal under 1, i believe.

8 0

3 years ago

Erica baby sits for 4 1/2 hours and is paid $27.

nalin [4]

A. Erica gets 6 dollars per hour.
B. She would get 48 dollars for 8 hours.
C. I would say 5 and a half hours. Maybe 5 hours and 45 minutes.

4 0

2 years ago

HELPELEPLEPELP this needed to be done last week LSMOAJOMOSN

denpristay [2]

Answer:

1/1

Step-by-step explanation:

try that if that doesnt work try 1 the question was confusing im sorry if its wrong...

3 0

2 years ago

A car slows down at -5.00m/s^2 until it comes to a stop after traveling 15.0m how much time did it take to stop

Kruka [31]

Answer:

4.56 s

Step-by-step explanation:

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3 years ago