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AlekseyPX
3 years ago
13

There are nine kids in a class. When any two meet, each says "hi" to the other and the answer "hi" follows. Before the class sta

rts, how many times would one hear the word "hi"?
Mathematics
1 answer:
Xelga [282]3 years ago
6 0
72 times, I believe. Hope I helped.
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Kurt conducted a survey to find the favorite type of music of his classmates
klio [65]

Answer:

True

Step-by-step explanation:

9+5=14

And rock is at 7

7 0
2 years ago
-6x - 7 is greater than or equal to - 19. Please guide me through the steps of this... I will give brainliest
3241004551 [841]

Answer:

x ≤ 2

Step-by-step explanation:

                                       -6x - 7 ≥ -19

Add 7 to both sides:            -6x ≥ -12

Divide both sides by 6:          -x ≥ -2

Divide both sides by -1:            x ≤ 2

When you divide by a negative, you have to switch the sign around (hence why I chose to do this in separate steps, so it's clearer)

7 0
2 years ago
A number, y, is equal to twice the sum of a smaller number and 3. The larger number is also equal to 5 more than 3 times the sma
Anit [1.1K]

The first equation gives:

y = 2 * (x + 3) >>> y = 2x + 6

Or

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The second sentence gives:

y = 5 + 3x >>> 3x - y = -5

The answer is (A), the first choice.

5 0
3 years ago
Read 2 more answers
The drama teacher decreased the length of a play from 90 minutes to 60 minutes. What was the percent decrease in the length of t
algol13

Answer:

It was a 33% decrease

Step-by-step explanation:

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30/90= .333333333333

4 0
3 years ago
Parallelogram ABCD is shown.<br>​
hichkok12 [17]

Answer:

Step-by-step explanation:

#4 part A= D

#4 part B = 76

Your question only states parrallelogram ABCD is shown, so I assume you only wanted those answers, GL

3 0
2 years ago
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