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Neko [114]
3 years ago
8

Twelve students competed in a dance contest.

Mathematics
1 answer:
marissa [1.9K]3 years ago
6 0
A I’m working on this right now too
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A family tree business removes overgrown trees for 3 months in the summer. In June, they removed 1/3 the number of trees as they
devlian [24]

Answer: 299

Step-by-step explanation:

Given

Family removes one-third of tress in June as much as they dd in July

They remove twice the number of July in august

Suppose they removed x trees in July

for June it is, \frac{x}{3}

for August, it is 2x

If they removed less than 1000 tress in 3 months

\Rightarrow \dfrac{x}{3}+x+2x

So, maximum number of tress removed in July is 299

7 0
3 years ago
F(x)= -1/2 (x+2) (x-4)
Gre4nikov [31]
This will definitely help:

https://www.google.com/search?q=F(x)%3D+-1%2F2+(x%2B2)+(x-4)&rlz=1C1GCEB_enUS786US786&oq=F(x)%3D+-1%...
4 0
3 years ago
A student skipped a step when she tried to convert 18 hours into seconds,
gladu [14]

Answer:

The conversion of minutes to seconds is skipped in multiple-step conversion.

Step-by-step explanation:

Given:

To convert 18 hours into seconds.

Now, to get the conversion ratio skip in this multiple-step conversion.

First we need to convert hours into minutes:

1 hour = 60 minutes.

So, 18 hours = 18\times 60 minutes

                     = 1080 minutes.

Then, we convert minutes into seconds:

1 minute = 60 seconds.

So, 1080 minutes = 1080\times 60 seconds

                             =  64800 seconds.

Thus, 18 hours =  64800 seconds.

<u>As given in question the conversion from hours to seconds is there but the conversion of minutes to second is not there it is skipped so the result is incorrect.</u>

Therefore, the conversion of minutes to seconds is skipped in multiple-step conversion.

5 0
3 years ago
Pls help me bestie with this question ASAP thank you
melomori [17]

Answer:

Its B 0.454554555

Step-by-step explanation:

it has a pattern which is repeating. So its known as rational number..

7 0
3 years ago
What is the square root of 16,000 plus 14,000? (Clue: 16. 14. + Y)
Darina [25.2K]
The square root of 16,000 is 126.4911064067352 (12.49 rounded) and the square root of 14,000 is 118.3215956619923 (118.32 rounded)
8 0
3 years ago
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