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WARRIOR [948]
3 years ago
10

Breanne has quarters,dimes, and nickels in her purse.She has 3 fewer nickels than dimes,but she has 2 more nickels that quarters

.If breanna has 2 quarters,how much money does she have?
Mathematics
1 answer:
Masja [62]3 years ago
7 0

2 quarters,4 nickels, and 7 dimes 50+20+70=140 she has 1.40$"


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mary will spin the spinner below 150 times. about how many times should mary expect the spinner to land on a number greater than
irga5000 [103]

Answer:

56 times (This is still assuming 1 isnt an option)

Step-by-step explanation:

0,2,3,4,5,6,7,8

There are 8 options, 3 of which are greater than 5

3/8

3/8 = x/150

3*150 = 450

8 * x = 8x

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450/8  = 56.25

56 times

-- Gage Millar

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2 years ago
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alexdok [17]
31. There are C(5, 2) = 10 ways to choose 2 colors from a group of 10 colors if you don't care about the order. (Here, we treat blue background with violet letters as being indistinguishable from violet background with blue letters.)

Only one of those 10 pairs is "B and V", so the probability is 1/10.
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32. The 12 inch dimension on the figure is 0 inches for the cross section. The remaining dimensions of the cross section are 
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8 0
3 years ago
A1,a2,a3....a30-each of these 30 sets has 5 elements.b1,b2,....bn-each of these n sets has 3 elements.union of a1,a2...a30=union
zzz [600]
 the number of elements in the union of the A sets is:5(30)−rAwhere r is the number of repeats.Likewise the number of elements in the B sets is:3n−rB
Each element in the union (in S) is repeated 10 times in A, which means if x was the real number of elements in A (not counting repeats) then 9 out of those 10 should be thrown away, or 9x.  Likewise on the B side, 8x of those elements should be thrown away. so now we have:150−9x=3n−8x⟺150−x=3n⟺50−x3=n
Now, to figure out what x is, we need to use the fact that the union of a group of sets contains every member of each set.  if every element in S is repeated 10 times, that means every element in the union of the A's is repeated 10 times.  This means that:150 /10=15is the number of elements in the the A's without repeats counted (same for the Bs as well).So now we have:50−15 /3=n⟺n=45
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3 years ago
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Solnce55 [7]
M = -8



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2 years ago
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Exponential function because log deals with finding the exponent so the inverse is an exponential function

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