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salantis [7]
3 years ago
8

40% of the students in Mr. Watson's class speak a second language. If 10 students speak a second language, how many students are

in Mr. Watson's class?
Mathematics
1 answer:
mylen [45]3 years ago
8 0

Answer:

25

Step-by-step explanation:

10 = 40%

20 = 80%

25 = 100%

Okay

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HELP ME PLSSSSSSSSSSS
Trava [24]

Answer:

8

Step-by-step explanation:

I believe that the answer is 8

8 0
2 years ago
Suppose you have a box with 3 blue marbles, 2 red marbles, and 4 yellow marbles. You are going to pull out one marble, record it
balandron [24]
5/9 because you have to add those two together and put that number over the total number of marbles.
4 0
3 years ago
Find the number of letters from the word MAXIMUM where two consonants cannot occur. (Permutation)​
Hunter-Best [27]

Answer:

4!

Step-by-step explanation:

In word MAXIMUM, consonants are M & X. According to the question itself, consonants should not occur together.

So, we have to put vowels at each even position; only then the condition will be satisfied.

We can put this in 3! ways (permutations of A, I & U).  

For odd positions we can put 3-M's & a X. Total ways is 4!/3!   (as repetitions of M).

Hence, the answer is 4!/3! x 3! = 24 ways.  

24=4!.

5 0
3 years ago
A geologist visits 90 volcanoes in Alaska and California​
Viktor [21]

Answer:

40 volcanoes = 100% of them           15% were in California so if we want to know how much % were in Alaska we do 100% - 15% which equals 85%, so 85% were in Alaska.      Now to find out how many the geologist visited in each state multiply 40 by the percentage.       Number of volcanoes in California = 15% of 40 volcanoes = 0.15 x 40 = 6Number of volcanoes in Alaska = 85% of 40 volcanoes 0.85 x 40 = 34

Step-by-step explanation:

4 0
2 years ago
Travis drove 324 miles and used 12 gallons of gasoline. Find the unit rate
zysi [14]

Answer:

27

Step-by-step explanation:

324 /12 = 27

I think this might be it hope it helps

3 0
3 years ago
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