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Mkey [24]
3 years ago
11

Simplify 12 + 3(2x - 3) + 4.

Mathematics
1 answer:
raketka [301]3 years ago
6 0

Answer:

7 + 6x

Step-by-step explanation:

12 + 3(2x - 3) + 4 =

12 + 6x - 9 + 4 =

7 + 6x

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I BET NO ONE KNOWS THIS QUESTION . After years of Civil war , columbia is a peaceful democratic nation. TRU OR FALSE
Evgen [1.6K]

Answer:

false?

Step-by-step explanation:

first, you put this question in mathematics. columbia is a “democracy” but i would say it isn’t peaceful.

5 0
4 years ago
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A right cylinder has a height of 20 1/2ft and a diameter of 1 1/5 times it's height what is the volume of the cylinder? Use 3.14
anygoal [31]
Volume (V) of a cylinder is the area of circular base (pi×r^2) times it's length/height (h):
V =  \pi {r}^{2} (h) \:  \: \pi = 3.14
h = 20.5 ft
diameter (d) = 1 1/5 × h, 1 1/5 = 6/5 = 1.20
d = 1.20 × 20.5 = 24.6 ft
radius (r) = 1/2 d = 24.6/2 = 12.3 ft
V =  \pi {r}^{2} (h)  \\ V = 3.14 ({12.3}^{2}) (20.5)  \\ V = 3.14 (151.29) (20.5) \\ V = 475.05 (20.5) = 9738.54  \: {ft}^{3}

4 0
3 years ago
Diego measured the length of a pen to be 20 cm. The actual length of the pen is 25 cm. Find the percent error
S_A_V [24]

Answer:

20%

Step-by-step explanation:

|20 - 25| = 5

5/25 = 20/100

4 0
3 years ago
1. A scuba diver was exploring a reef 32.12 m below sea level. The diver ascended to the surface at a rate of 8.8 m/min.
Cerrena [4.2K]

A scuba diver was exploring a reef 32.12 m below sea level. The diver ascended to the surface at a rate of 8.8 m/min.

a. using the formula d = rt, so 32.12 m = 8.8m/min (t)

b. it is reasonable to write the distance as positive because the diver is accending/ going up the surface

<span>c. t = 32.12/ 8.8 = 3.65 min</span>

8 0
4 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=5%5E%7B-2%7D" id="TexFormula1" title="5^{-2}" alt="5^{-2}" align="absmiddle" class="latex-form
nirvana33 [79]

Answer:

0.08

Step-by-step explanation:

5^-2 is equal to 1/25 or 0.04.

Cube root of 8 is 2.

3 0
3 years ago
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