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Vikki [24]
3 years ago
8

Is the following statement always, never, or sometimes true?

Mathematics
2 answers:
nlexa [21]3 years ago
7 0
We are given the following statement; A number raised to a negative exponent is negative. We can go through experimental points. In this case, when the number is positive, the result is also positive. If the number is negative, we can say the result is negative. 
pickupchik [31]3 years ago
3 0
Sometimes...

2^-3 = 1/(2^3) = 1/8

-2^-3 = 1/(-2^3) = -1/8
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The length of a rectangle is 3 more than twice the width. The area of the rectangle is 119 square inches. What are the dimension
ddd [48]
L = 3 + 2w

119 = w × ( 3 + 2w )
119 = 3w + 2w^2
2w^2 + 3w - 119 = 0
( w - 7 ) ( 2w + 11 ) = 0
w = 7
x = w
x = 7
5 0
3 years ago
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Stanley earns $28 for every 2 hours that he works. How much money does he earn during a given amount of time?
baherus [9]

Answer:

e = 14x, where x is the number of hours he works, and e is the total earnings.

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3 years ago
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Whats the gcf of 15 and 70
makvit [3.9K]
The gcf of 15 and 70 is 5
8 0
3 years ago
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Two friends Ana and Juan are buying books by joining the History Book
Travka [436]

Answer:

Ana  spent $17  per book on average.

Juan  spent $14.78  per book on average.

y = $15 + 17x--------- equation 1

y= $10 + 14.78 x------------- equation 2

Step-by-step explanation:

Ana has to pay a yearly fee of $15 to join.

She spends a total of $525 for 30 books.

The amount spent on books = Total amount - yearly fee

                                                 = $525- $15= $510

Price per book on the average = $510/30= $ 17

Ana  spent $17  per book on average.

Juan has to pay a yearly fee of $10 to join.

He spends a total of $350 for 23 books.

The amount spent on books = Total amount - yearly fee

                                                 = $350- $10= $340

Price per book on the average = $340/23= $ 14.78≅ $15

Juan  spent $14.78  per book on average.

The function can be established if y gives the total cost and x gives the number of books

y = $15 + 17x--------- equation 1

y= $10 + 14.78 x------------- equation 2

Juan has a better deal because the yearly fee is less also the price per book is less.

8 0
3 years ago
Select all the properties of a kite.
drek231 [11]

Answer:

  • B.

Step-by-step explanation:

<u>Here are the Options verified:</u>

  • A. Incorrect. Kites can't be parallelograms.
  • B. Correct. Kites are quads. Quads have 4 sides. A kite has 4 sides.
  • C. Incorrect. They don't have opposite sides that are congruent.

<u>Correct choice is B.</u>

5 0
2 years ago
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