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Lyrx [107]
3 years ago
12

Please help me!!!!! I’m confused

Mathematics
2 answers:
motikmotik3 years ago
7 0
The negative sign on an exponent means the reciprocal. Think of it this way: just as a positive exponent means repeated multiplication by the base, a negative exponent means repeated division by the base.
Akimi4 [234]3 years ago
3 0

Answer:

means you divide.

Step-by-step explanation:

A positive you would multiply and a negative you divide.

Does that make sense>

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If you pick a card at random from a well shuffled deck, what is the probability that you get a face card or a spade?
tankabanditka [31]
P(Face card) =16/52 = 4/13
P(Spade) = 13/52 =1/4
P(Face ∪ Spade) = 4/13 + 1/4 = 29/52 = 0.557

7 0
4 years ago
Dylan started with 30 baseball cards and gave away x cards. Sebastian started with 40 cards and gave away twice as many cards as
andre [41]

Answer:

he gave away 5 because if sebastian gave twice as many away and ended up with the same as dylan then it must be 5

4 0
3 years ago
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An airline charges an extra fee if a suitcase weighs more than 50 pounds. After packing, Li's suitcase weighs 47.75 pounds. Whic
Vinvika [58]

Answer:

47.75 + x Less-than-or-equal-to 50

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Step-by-step explanation:

Solving the above Question:

Not going over the 50 pound case mean, less than or equal to 50 pounds

Let the extra pound of weight be represented as x

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4 0
3 years ago
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Please help me! i'll mark you brainliest <br> 20 points, (maths)
marysya [2.9K]

Answer:

5/6 of the time or 50 minutes

Step-by-step explanation:

6 0
3 years ago
Hey can i get help?? please
KiRa [710]

Answer:

It would be the second distribution in the fist picture, and the first distribution in the second picture

Step-by-step explanation:

The median is the middle number of a set of numbers, for example, the median in 3, 5, 9, 10, 11, 15, 20 would be 10, since it is the middle number. For the two distributions, that is  the best measure of center

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3 years ago
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