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Fantom [35]
3 years ago
14

What is the value of 2/3 cubed

Mathematics
1 answer:
Genrish500 [490]3 years ago
4 0

Answer:

(2/3)^3 = (2/3) times (2/3) times (2/3) = 8/27

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The disctance between -8 and 5 on the number line can be found by which expression??
Ilia_Sergeevich [38]
It's A.  First of all, one of the only 2 things in math that will NEVER be negative is distances/lengths and times.  You have a distance here, so because one of your 2 numbers is negative, you have to take the absolute value of the difference.  -8-5 = -11, but the absolute value of that is 11.  Put the numbers on a number line and count the units between -8 and +5 and there are 11 units between those 2 numbers.
5 0
3 years ago
The force F between 2 objects is inversely proportional to the square of the distance, d between them. The force is 0.36 newtons
LenaWriter [7]

Answer:

0.73 N to 2 dp.

Step-by-step explanation:

F = k/d^2   where k is a constant , F = force and d = distance.

Substituting:

0.36 = k / (6)^2

k = 36*0.36 = 12.96 s the equation is F = 12.96 / d^2.

When d = 4.2 :

F = 12.96 / 4.2^2

F = 0.73 Newtons to 2 dp.

5 0
3 years ago
Mentally confused, please help.
garik1379 [7]
If you are looking for the surface area of the cube, it is 169. The equation for the surface area of a square is base times height. This would mean it’s 13x13 since all the sides are the same. 13x13=169
5 0
2 years ago
Read 2 more answers
A room contains three urns: u1, u2, u3. u1 contains 3 red and 2 yellow marbles. u2 contains 3 red and 7 yellow marbles. u3 conta
Archy [21]

Answer:

\dfrac{11}{30}

Step-by-step explanation:

Urn U1: 3 red and 2 yellow marbles, in total 5 marbles.

The probability to select red marble is \dfrac{3}{5}=0.6.

Urn U2: 3 red and 7 yellow marbles, in total 10 marbles.

The probability to select red marble is \dfrac{3}{10}=0.3.

Urn U1: 1 red and 4 yellow marbles, in total 5 marbles.

The probability to select red marble is \dfrac{1}{5}=0.2.

The probability to choose each urn is the same and is equal to \frac{1}{3}.

Thus, the probability that the marble is red is

\dfrac{1}{3}\cdot 0.6+\dfrac{1}{3}\cdot 0.3+\dfrac{1}{3}\cdot 0.2=\dfrac{1.1}{3}=\dfrac{11}{30}.

4 0
3 years ago
a woman buys a plot of land of area 0.36hectares she pays $8.50 per square meter for the land what is it's total cost​
Elena L [17]

Answer:

$30,600

Step-by-step explanation:

1 hectare = 10,000 m^2

0.36 hectare = 0.36 * 10000 m^2 = 3600 m^2

She pays $8.50 per square meter. Thus, the total cost is:

3600 * 8.50 = \$30,600

Answer: $30,600

3 0
3 years ago
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