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satela [25.4K]
2 years ago
15

REPOST 100 POINTS+BRAINLIEST 8th grade math- counting principle - 7 short questions

Mathematics
2 answers:
madreJ [45]2 years ago
7 0
I only have one for 12
12, 21
24, 42
36, 63
48, 84
pashok25 [27]2 years ago
7 0

Answer:

792 groups

Step-by-step explanation:

5 people can be in a group. There's 12 people. So we can just use combination.

12C5. = 12 * 11 * 10 *9 * 8 = 792

Also, just post one question at a time. We aren't allowed to post multiple answers.

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Calculate the heigh (x) of the tree
marta [7]

Answer:

<h2>87 feet</h2>

Solution,

tan \: theta =  \frac{opposite}{adjacent}

tan \: 60 =  \frac{h}{50}  \\ 5 \: tan \: 60 = h \\ h = 50 \: tan \: 60 \\ h = 87 \: feet

hope this helps..

Good luck on your assignment..

8 0
3 years ago
A pair of shoes originally costs $42 but is on sale for 33% off. What is the new price? Show how you know.
gavmur [86]
Hello!
The Answer Is 28.14
Because (42x33)/100=13.86
42.00-13.86=28.14
5 0
3 years ago
60 + 60 × 0 + 1 = Solve this
belka [17]
61 because you always multiply first 60 x 0= 0 so now we have 60+1 which is 61
5 0
3 years ago
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x= infinity; 9x to the power of 3 + x to the power of 2 - 5 divided by 3x to the power of 4 + 4x to the power of 2
Delvig [45]

Answer:

here n Hope it helps. goodluck

5 0
2 years ago
Factor completely.
erik [133]
(n-4)(n+11) so pretty much B
3 0
3 years ago
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