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hodyreva [135]
3 years ago
11

What is the mass of a 3 cm cube of pine? (Reminder: The length, width, and height of a cube are all the same.)

Mathematics
1 answer:
ryzh [129]3 years ago
7 0

Answer:Using this idea, you can calculate the mass of a cube with the formula for Density = mass ÷ volume. Review the formula for density: Density = mass ÷ volume. If you solve this equation for mass, it becomes: mass = density x volume.

Step-by-step explanation:Hope this help u

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A movie rental website charges $5.00 per membership and $1.25 per movie Maria has $24.75 this month spend on movie rentals. How
bearhunter [10]
About 15 or 16 movies
8 0
3 years ago
In the figure, use similar triangles and the fact that corresponding sides are proportional to find the missing length.​
Phoenix [80]

Answer:

  • <u><em>The missing length, x, is equal to 7 m.</em></u>

Explanation:

In the figure, the two triangles are similar because they show two pairs of congruent angles and one pair of different sides.

  • The two upper vertices are marked each with a line which indicates that they are congruent, i.e. they have the same measure.

  • Also, the small squares shown in each of the bases indicate that those two angles are right, i.e. they measure 90°.

  • Since the two sides adjacent to the right angles have different lengths, the triangles are not congruent but similar.

By similarity, you can state that the corresponding parts keep the same ratio. Thus:

  • x / 8m = 21m / 24m

  • x = 8m × 21 m / 24 m (muliply both sides by 8m)

  • x = 21 m / 3 (simplify dividing numerator and denominator by 8m)

  • x = 7 m (simplify dividing by 3)

         Answer x = 7 m

5 0
4 years ago
(4x^4-3x^2+3x+7) / x+1/2
Natali [406]

Answer:8x^4-3x+3x^2+3x+7+1/2

Step-by-step explanation: simply

8 0
3 years ago
- Carl is taking a trip to see his grandparents. His car gets 25 miles per gallon of
Phantasy [73]

9514 1404 393

Answer:

  $54

Step-by-step explanation:

(450 mi)×($3.00/gal)/(25 mi/gal) = $(450×3/25) = $54

It will cost $54 for Carl to get to his grandparents' house.

6 0
3 years ago
PLEASE HELP MEEEEEE I need help quickly
fomenos

Answer:

60

Step-by-step explanation:

There are sixty students.

15%   =   9

------------------

100% =  x

Cross muliply.

900

------

15x

Divide 15x by 15, and 900 by 15.

Answer is 60.

I hope this helps!

Brainliest would be awesome!

6 0
3 years ago
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