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Korolek [52]
3 years ago
9

I need help please ?!!

Mathematics
1 answer:
melomori [17]3 years ago
3 0

the answer is b because the answer for both of them is -39. you might also want to look into the sign rules in algebra bb :)

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What is the scientfic notation of 0.05
vredina [299]

Answer:

5×10⁻²

Step-by-step explanation:

  • Move the decimal so there is one non-zero digit to the left of the decimal point.
  • The number of decimal places you move will be the exponent on the 10. a.  If the decimal is being moved to the right, the exponent will be negative.

        b.  If the decimal is being moved to the left, the exponent will be positive.

  • Therefore. The answer is 5×10⁻²
8 0
3 years ago
Which expressions are equivalent to the given expression?
gizmo_the_mogwai [7]

Answer: Choice C. \frac{1}{x^{2}y^{5}  }and Choice E. x^{-2} y^{-5}

Step-by-step explanation:

Algebraic exponents.

5 0
3 years ago
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Please, I need to know how this question is done. please
oksian1 [2.3K]

subsitute x = 6 into the lengths

3(6) -7

18 - 7

11cm

(6) + 5

11cm

therefore it is a square when x = 6 because the sides are all equal

8 0
3 years ago
Which statement about the data in the table shown is true?
nalin [4]

Answer:

i would say B.. sorry of its not the right one..

Step-by-step explanation:

5 0
3 years ago
A store buys purses for $24.50 and then marks them up 25%. The store then discounts any purses that do not sell in the first mon
Sergeu [11.5K]

Answer:$27,57

1)find out how much wallets cost in the first month:

24,50 -100%

х      - 125%

х= 24,50*125/100 ≈ 30,63

2)we will find out how much the wallets cost after the price is reduced by 10%:

30,63 - 100%

х         -90%

х=30,63*90/100 ≈ 27,57

Step-by-step explanation:

3 0
3 years ago
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