Answer:

Step-by-step explanation:
the formula for density is:

where d is density, m is mass, and V is volume.
solving for m in the last equation:

so if we find the volume and multiply it by the density
we will get the mass of the object.
The volume of a rectangular prism is given by:

where
is length,
is width and
is height:

we substitute to find the volume:

since the density has units of
we need the volume also in units of
, so we make the conversion using:

multiplying by 30:

and now we find the mass with the equation:

substituting d and V:

the nearest gram is: 
Answer: It's 35.5 and 38.5
Step-by-step explanation:
First, subtract 74 by 3 giving you 71.
Next, divide 71 by 2; it gives you 35.5 (that's your first number).
Then, add the 3 that you took away to 35.5 and get 38.5 (that's your second number).
Answer:
Step-by-step explanation:
<em>1.</em> <em>Circle A and circle A', have the same circumference.</em> <em>(Yes)</em>
<em>2.</em> <em>The radii of circle A and circle A', have the same lengths.</em> <em>(Yes)</em>
3. .... (No)
4. ... (No)
Answer:
C = 44.0 cm
Step-by-step explanation:
The circumference can be found by
C = pi*d
C = 3.14 * 14
C =43.96
Rounding to the nearest tenth
C = 44.0 cm
The answer to this question is <span>B. (sqrt 2, 315 degrees). This polar coordinate is the only coordinate with its angle in quadrant 4 and a length of √1^2 + (-1)^2 = √2.</span>