3 years ago

15 points for simple math!!!

Mathematics

1 answer:

umka2103 [35]3 years ago

5 0

Answer:

Step-by-step explanation:

$(\frac{-7}{8} )^{-2}=(\frac{8}{-7})^2=\frac{64}{49} =1\frac{15}{49}$

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At a party, everyone shook hands with everybody else. There were 66 handshakes. How many people were at the party?

velikii [3]

This is a question that needs a bit of common sense to get to the actual answer that is desired. Firstly there is one information given .The other information has to be found from common sense. ! single handshake requires 2 people. Now we can easily determine the number of people doing 66 handshakes.
Then
The number of people required for 1 hand shake = 2
Then
The number of people required to do 66 handshakes = ( 2 * 66) people
= 132 people
Then it can be said that there were 132 people in the party. I hope the process of doing this problem is clear to you.

4 0

3 years ago

Read 2 more answers

Help ASAP!!!!<br> Which statement about the graph of the function y=(1/3)x are true?

mafiozo [28]

Answer:

Step-by-step explanation:

1) False: The function is decreasing (because the base, 1/3, is between 0 and 1).

2) True: The function is decreasing (see #1, above)

3) False: There is no x-intercept.

4) True: If x is 0, then y = (1/3)^0 = 1.

5) False: the range consists of the set of all real numbers greater than zero.