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4 years ago

Identify the perfect cube root contained as a factor in 54.

Mathematics

2 answers:

Alexxx [7]4 years ago

8 0

Answer:

The perfect cube is 27 and the perfect cube root is 3

Step-by-step explanation:

( 54) ^ 1/3

( 27*2) ^ 1/3

(27) ^1/3 * (2)^1/3

3 * (cube root of 2)

The perfect cube is 27 and the perfect cube root is 3

dexar [7]4 years ago

4 0

Answer:

54 = 2 x 27

the cube root of 27 is 3.

the answer is C

Step-by-step explanation:

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2 years ago

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Elza [17]

Answer:

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4 years ago

Four times the sum of a number and 6 is equal to 2

olga55 [171]

Answer:

5.5

Step-by-step explanation:

The equation that models this problem is

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3 0

3 years ago

A line contains the points (-1, 6), (6, k) and (20, 3). What is the value of k?

AURORKA [14]

Consider, pls, this option:
1. if a required line has a form y=ax+b, then points A(-1;6); B(6;k) and C(20;3) belong to it.
2. According to the item 1 it is possible to make up the system of equations for A and C:
$\left \{ {{-a+b=6} \atop {20a+b=3}} \right \ \left \{ {{a=- \frac{1}{7} } \atop {b= \frac{41}{7} }} \right.$
Knowing, that a=-1/7 and b=41/7, it is possible to write the equation of required line:
$y=- \frac{1}{7}x+ \frac{41}{7}$
3. Using coordinates of point B:
$k=- \frac{6}{7}+ \frac{41}{7} =5 \ where \ k=y$

Answer: 5.

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4 years ago