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riadik2000 [5.3K]
3 years ago
7

Evaluate the expression

Mathematics
2 answers:
agasfer [191]3 years ago
5 0

Solution :

\hookrightarrow \:  - { \bigg( \dfrac{1}{9} \bigg) }^{3}

\hookrightarrow \:  -  \dfrac{1}{729}

Brrunno [24]3 years ago
5 0

Answer:

-1/729

Step-by-step explanation:

{- ( \frac{1}{9})}^{3}  \\  =  - ( \frac{ {1}^{3} }{ {9}^{3}} ) \\  =  - ( \frac{1}{729}) \\  =  \frac{ - 1}{729}

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In The cafeteria, 100 milk cartons were put out for breakfast. At the end of breakfast, 27 remained. What is the ratio
riadik2000 [5.3K]
Number of milk cartons put out for breakfast = 100

Number of cartons remaining at the end = 27

Number of cartons consumed = 100 - 27 = 73

Ratio of cartons remaining / cartons consumed = 27/73
7 0
3 years ago
A rock drops from a height of 60m. how long does it take for it to hit the ground?
laila [671]

To solve for the time an object takes to hit the ground, the equation

<em>y</em> <em>= y₀ + v₀t + ½gt²</em>, or just <em>0 = y₀ +½gt²</em> since there is no initial velocity and the final y position is 0 (since it is on the ground). Therefore, <em>t = (−2y₀/g)^½.</em>

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<em />

8 0
3 years ago
Find x if AB = 9, BC = 2x - 5,<br> and AC = x + 9
Oxana [17]

Answer:

x = 5

Step-by-step explanation:

Using the fact that line segments AB and BC are parts of the whole line segment AC, we can write the following equation:

AB + BC = AC

Now, using the given values, we can substitute in for the equation and solve for x:

AB + BC = AC

9 + 2x - 5 = x + 9

2x + 4 = x + 9

x = 5

Thus, we have found that for these sets of equations for these line segments, our value for x should be 5.

Cheers.

5 0
3 years ago
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Find the volume of the cone. Round your answer to the nearest tenth.<br> 13 ft<br> 10 ft
Jlenok [28]

Answer:

340

Step-by-step explanation:

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5 0
2 years ago
In the diagram of circle A, what is m∠LMN?
vagabundo [1.1K]

we know that

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so

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therefore

the answer is 90\°

3 0
3 years ago
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