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Nadusha1986 [10]
3 years ago
9

Please help me with this. I'm stuck

Mathematics
2 answers:
Anon25 [30]3 years ago
8 0

Answer:

Step-by-step explanation:

7 choose 2    or    

=7! / (7-2)!

=7*6*5*4*3*2*1  /  5*4*3*2*1

=7*6

=42

MatroZZZ [7]3 years ago
5 0

Answer:

It is 42!

Step-by-step explanation:

Your welcome! :)

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Add 7 3/10+4 4/15. Simplify the answer and write it as a mixed number.
aev [14]

Answer:

⟾11  \frac{17}{30}

Step-by-step explanation:

⟾7 \ \frac{3}{10}  + 4 \ \frac{4}{15}

⟾\frac{73}{10}  +  \frac{64}{15}

⟾\frac{219 +128 }{30}

⟾\frac{347}{30}

Now write as mixed fraction,

⟾11 \ \frac{17}{30}

Hope it's helps you

5 0
3 years ago
Solve the following equation -2y-6=4​
LenKa [72]
Answer:

Y= -5

Explanation: have an amazing day!!
3 0
3 years ago
Number 4 please I need help please I need help please help me
kotykmax [81]

Answer:

The perimeter is 112 m

Step-by-step explanation:

The perimeter is the sum of all the edges

26+ 12 + 18 +? + ?+ 30

The two question marks add to 26 so replace them with 26

26+ 12 + 18 +26+ 30

112

The perimeter is 112 m

3 0
4 years ago
A bookstore contains 75972 books,divided in to three sections. The science represents 1/3 of the total books. The remaining book
S_A_V [24]

Answer:

12,662 books

Step-by-step explanation:

Total number of books = 75,972

No. of science books = ⅓ of 75,972 = ⅓*75,972 = 25,324 books.

No. of business books = 75% of the remaining books = 75% of (75,972 - 25,324)

= \frac{75}{100}*50,648 = 37,986

No. of business books = 37,986

No. of maths books in the math section = 75,972 - (25,324 + 37,986)

= 75,972 - 63,310

= 12,662 books

7 0
4 years ago
2) Tim types 20 words every minute. Which
natka813 [3]

Answer:d. W=20m

Step-by-step explanation:

w=20(1), 1 minute is 20 words

W=20(2) 2 minutes is 40 words

W=20(3) 3 minutes is 60 words

And so forth....

7 0
3 years ago
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