MATHEMATICS HIGH SCHOOL

Simplify the expression:
(2f - 6)(-3)

Answers

Answer 1
Answer:

Answer:

Simplify the expression.

−

6f+18

Step-by-step explanation:

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If the probability of an event is 26%, what is the probability of its complement occurring?

Answers

84% 

100-26=84

26%+84%=100%
the answer is 84% hope this helps

Factorise (x²+3x)²-3(x²+3x-4​

Answers

Answer:x^4+6x^3+6x^2-9x+12

Step-by-step explanation:

9.54 million mi2 without decimal

Answers

Answer:

9,540,000 square miles

= 17,210,000

I need help with the exponents

Answers

X^3 so u need to add the exponents -3 +4 + 2
-3 + 4 = 1 + 2 = 3 so x^(3)
the answer is x^3
to solve such questions you just need to add exponents

How many zeros would you find at the end of 100!, fi you ex- pandeditoutinbaseten?

Answers

Answer:

Hope this helps! :)

You would find 24.

10 people meet, and each person shakes every other person's hand once. How many handshakes occurred?

Answers

Answer:

45 handshakes

Step-by-step explanation:

If there are n persons and each person shakes every other person hand once then the total number of handshakes are(n(n-1))/(2)

Now, it has been given that 10 people meet, and each person shakes every other person's hand once.

Therefore, n = 10.

Hence, from the above mentioned formula, we have

Total number of handshakes =

(n(n-1))/(2)

=(10(10-1))/(2)

=(10*9)/(2)

=5*9

=45

Hence, total 45 handshakes were occurred.
45 handshakes would take place! i've attached how i figured this out (pardon the scribbles)
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