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Ratling [72]
3 years ago
15

Which monomial is a perfect cube? 16x6 27x8 32x12 64x6

Mathematics
2 answers:
miss Akunina [59]3 years ago
5 0
The fastest way is to just use a scientific calculator.

To do it without a calculator, use prime factorization.

I'll only do the second one which is the answer.

27 x 8

= 3^3 x 2^3 = 6^3

Which is a perfect cube.
navik [9.2K]3 years ago
4 0
ANSWER


27 \times 8

EXPLANATION


A perfect cube is a number that can be written in the form

{x}^{3}


Let us use prime factorization to check which of the options is a perfect cube.



16 \times 6 =  {2}^{4}  \times 2 \times 3 =  {2}^{5}  \times 3


This is not a perfect cube.





27 \times 8 =  {3}^{3}  \times  {2}^{3}  =  {(2 \times 3)}^{3}  =  {6}^{3}


This is a perfect cube.




32 \times 12 =  {2}^{5}  \times  {2}^{2}  \times 3 =  {2}^{7}  \times 3


Not a perfect cube.



64 \times 6 =  {2}^{6}  \times 2 \times 3 =  {2}^{7}  \times 3

This is also not a perfect cube.



The correct answer is B.
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What is the value of the expression 6.5 - (-7.25)?
adell [148]

Answer:

13.75

Step-by-step explanation:

Slash and dash.  turn the both minuses into positives and add like normal.  6.5 plus 7.25 equals 13.75.

5 0
2 years ago
The cost of the fruit is given by the function y= 3x+1, where x is the number of fruits and y is the total cost. Find the
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Answer:

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8 0
2 years ago
A baseball team had $1,000 to spend on supplies. The team spent $185 on a new bat. New baseball cost $4 each. The inequality 185
Marta_Voda [28]

This question is incomplete

Complete Question

A baseball team had $1,000 to spend on supplies. The team spent $185 on a new bat. New baseballs cost $4 each.

The inequality 185 + 4b ≤ 1,000 can be used to determine the number of new baseballs (b) that the team can

purchase. Which statement about the number of new baseballs that can be purchased is true?

A. The team can purchase 204 new baseballs.

B. The minimum number of new baseballs that can be purchased is 185.

C. The maximum number of new baseballs that can be purchased is 185.

D. The team can purchase 185 new baseballs, but this number is neither the

maximum nor the minimum.

Answer:

D. The team can purchase 185 new baseballs, but this number is neither the maximum nor the minimum.

Step-by-step explanation:

The first step would be to solve the given equation:

185 + 4b ≤ 1000

4b ≤ 1000 - 185

4b ≤ 815

Divide both sides by 4

b ≤ 203.75

The maximum amount of baseballs the team can buy is 203. This means that they can buy 203 or less than that amount.

Of all the options give, option D is the correct option because the team can purchase 185 new baseballs, but this number is neither the maximum nor the minimum.

The maximum number of ball they can buy is 203 balls and the minimum is zero.

8 0
2 years ago
What is the answer??!!!!
Sveta_85 [38]

Answer cant help you

Step-by-step explanation:

i dont know

5 0
3 years ago
Anna, Beth and Colleen are softball players. This season, Anne had 65 base hits in 160 at-bats. Beth batting average was 0.399,
zheka24 [161]

Answer:

Anne is the best hitter as she has the best hitting average of 0.406

Step-by-step explanation:

Anne hits 65 bases out of 160 at - bats.

Beth's betting average = 0.399

Collin's hit = 40%

Now, we need to convert all the three hitting rates into same parameters to compare them with each other.

Average hit rate of Anne = \frac{\textrm{Total numberof base}}{\textrm{Total number of  at - bats}}

= \frac{65}{160}  = 0.406

⇒The betting average of Anne = 0.406

Now, The hit - rate of Collin = 40%

Converting the percentage rate into decimal, we get the hit rate of Collin

= \frac{40}{100}  = 0.40

Hence, we get that Hitting Average of :

<u>Anne = 0.406</u>,  Beth = 0.3999 and Collin = 0.400

Hence, from the above data Anne is the best hitter as she has the best hitting average of 0.406.

6 0
3 years ago
Read 2 more answers
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