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Mars2501 [29]
3 years ago
13

Free thanks and crown thing.

Mathematics
2 answers:
In-s [12.5K]3 years ago
5 0

Answer:

thanks'

Step-by-step explanation:

melisa1 [442]3 years ago
4 0

Answer:

Thanks!!! For free points!

Step-by-step explanation:

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A concession stand sells hamburgers (h) for $2 and hotdogs(d) for $1.On friday night they sold a total of 300 hamburgers and hot
Olegator [25]
The first equation has to be the sum of hotdogs and hamburgers. Since a total of 300 <span>hamburgers and hotdogs was sold, the first equation is:
          h+d=300

Now, the second equation is about the money. They say that EACH hamburger cost $2 and each hotdog cost $1. And, the total amount of money made was $420. So the second equation is:

      2h+d=420

SO, overall, the system of equations is this:

   
h+d=300
   2h+d=420
     
(option A is the answer)
</span>
8 0
4 years ago
ou find a deck of cards and know that the deck has too many clubs and spades in it. The deck has 59 cards. If you were to draw t
sashaice [31]
We can find the number of extra clubs in the deck from the given probability, since the probability of drawing a diamond and a club is

\dfrac{\binom{13}1\binom{13+c}1}{\binom{59}2}=\dfrac{13(13+c)}{1711}

but this would imply that c=-4, which suggests we're taking 4 clubs out of the original deck and contradicts the problem statement that there are "too many clubs".

Perhaps the question is providing the probability of drawing a diamond, THEN a club, or vice versa. In that case, we have

\dfrac{\binom{13}1}{\binom{59}1}\cdot\dfrac{\binom{13+c}1}{\binom{58}1}=\dfrac{13(13+c)}{3422}

and solving gives c=5, which makes more sense. Then the number of extra spades in the deck must be 2.
7 0
3 years ago
QUICK!!! HELP PLEASE!!!!
kvv77 [185]

Answer:

0 —> 15

1 —> 13.75

2 —> 12.5

3 —> 11.25

Step-by-step explanation:

Every time she drives for 1 hour, the car uses up 1.25 gallons of gas. If she fills it up and doesn't drive anywhere, the car will still be full with 15 gallons. If she drives for an hour, you would need to subtract 1.25 from 15 which would equal 13.75.

Then if she drives another hour, then you would subtract another 1.25 from 13.75.

Or a quicker way to do it would be if you multiply the number of hours driven by the gallons used per hour then subtract it from the filled up tank.... So for example if she drove 3 hours —> 3•1.25=3.75 then 15-3.75=11.25

8 0
3 years ago
Read 2 more answers
Which expression is equivalent to (5^-2) (5^-1) <br><br> -1/125<br> -1/5<br> 1/125<br> 1/5
lorasvet [3.4K]
I believe the answer is -1/5 hope this helps
5 0
3 years ago
How do I use division to change 2/5 into a decimal?
miss Akunina [59]
You divide the numerator by the denominator, so 2 divided by 5. That gets you 0.4 which is your answer.
6 0
3 years ago
Read 2 more answers
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