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Alika [10]
3 years ago
15

What is the density of a cube of wood with sides 5 cm and a mass of 109 g

Mathematics
2 answers:
HACTEHA [7]3 years ago
3 0
V=h*w*l
V= 5*5*5
Volume= 125
Density= Mass*Volume
OleMash [197]3 years ago
3 0

Answer:

0.872

Step-by-step explanation:

I used the density formula along with the volume formula for a cube.

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The regression equation y equals negative 0.414 x plus 106.55 approximates the percent of people in an audience who finish watch
wolverine [178]

Answer:

  (b)  71%

Step-by-step explanation:

Put the given value of x in the formula and do the arithmetic.

  -0.414(85) +106.55 = -35.19 +106.55 = 71.36

About 71% of the audience will finish watching the film.

4 0
2 years ago
14 = r - 9 Solve for r
Igoryamba

Answer:

Step-by-step explanation:

14=r-9

+9

23=r

7 0
3 years ago
What is 243.875 rounded to the nearest tenths on a number line
musickatia [10]
243.88 would be the nearest on a number line
8 0
3 years ago
Find the surface area of the triangular prism
melomori [17]

Answer:

608 ft²

Step-by-step explanation:

<u>1) Find the area of the bases</u>

A=\frac{1}{2} bh where b is the base length and h is the height

Plug in b and h

A=\frac{1}{2} (12)(8)\\A=48

Multiply the answer by 2 (because there are 2 bases)

A=96

Therefore, the area of the two bases is 96 ft².

<u>2) Find the area of the two sides facing up</u>

A=lw where l is the length and w is the width

Plug in l and w

A=10*16\\A=160

Multiply the answer by 2 (because there are 2 sides)

A=320

Therefore, the area of these two sides is 320 ft².

<u>3) Find the area of the bottom side</u>

A=lw where l is the length and w is the width

Plug in l and w

A=12*16\\A=192

Therefore, the area of this side is 192 ft².

<u>4) Add all the areas together</u>

96 ft² + 320 ft² + 192 ft²

= 608 ft²

Therefore, the surface area of the triangular prism is 608 ft².

I hope this helps!

5 0
3 years ago
Read 2 more answers
Fill in the blank to make the expression a perfect square u² - 14 u +
MissTica

12 beacause it is what it is jk im just put anything fr the challenges plz rate me 5 stars

3 0
3 years ago
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