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butalik [34]
3 years ago
7

3.5 cm 8.5 cm 7 cm 9.9 cm

Mathematics
1 answer:
creativ13 [48]3 years ago
5 0

Answer:

add: 3.5 plus 8.5 plus 7 plus 9.9

= 28.9cm

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Which number is equal to 2.98* 10^5
Vinvika [58]

Step-by-step explanation and the Answer:

10^{5}= 100000

2.98×100000= 298000

So therefore the answer is 298000.

6 0
3 years ago
I really need to know how long it takes the large pipe on its own
Andreyy89

s = hours it takes the small pipe on its own.


L = hours it takes the large pipe on its own.


we know the small pipe can do it in 11 hours total, so s = 11, so, how much of the whole job has the small done in 1 hour only?


well, if it takes 11 hours to do the whole thing, in 1 hour it has done only 1/11 of the whole job.


we know both pipes working together can do it in 6 hours flat. So in 1 hour only, both of them have done only 1/6 of the whole thing.


in that 1 hour, how much has the large one done? well, it has only done 1/L of the job.


\bf \stackrel{\textit{how much has it been done by both in 1 hour}}{\stackrel{\stackrel{small}{rate}}{\cfrac{1}{s}}+\stackrel{\stackrel{large}{rate}}{\cfrac{1}{L}}~~=~~\stackrel{job}{\cfrac{1}{6}}} \\\\\\ \cfrac{1}{11}+\cfrac{1}{L}=\cfrac{1}{6}\implies \stackrel{\textit{multiplying both sides by }\stackrel{LCD}{66L}}{6L+66=11L}\implies 66=5L \\\\\\ \cfrac{66}{5}=L\implies 13\frac{1}{5}=L\impliedby \textit{13 hours and 12 minutes}


and you can round that up as needed.

7 0
3 years ago
A tightrope walker is 10 feet from one end of the rope. If he takes three steps and each step is 11 inches long, how far is he f
dedylja [7]
2.75 feet, i think.
11x3=33
33/12 =2.75
7 0
3 years ago
Plz help! 20 points, correct answer will be marked brainliest :)
Tanzania [10]

Answer:

D) f(x) = 6x

Step-by-step explanation:

5 0
2 years ago
Emili would like to estimate the probability of 2 or more heads coming up in 3 coin flips.
Zanzabum
The probability 1÷3+1÷3+1÷3=1÷9
6 0
2 years ago
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