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vaieri [72.5K]
3 years ago
5

The sum of twice a number and five is at most -25

Mathematics
1 answer:
lorasvet [3.4K]3 years ago
4 0

n= number

2n+5 <= -25

subtract 5 from each side

2n+5-5 <= -25 -5

2n <= -30

divide each side by 2

n <= -15

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Ella and jade both ran a marathone ella finished 4 hours 6 mins and 13 seconds jade finished in 4 hours and 3 mins and 18 second
spin [16.1K]

Answer:

Jade is faster than Ella by 2 minutes and 55 seconds.

Step-by-step explanation:

We are told that Ella and Jade both ran a marathon. Ella finished marathon in 4 hours 6 mins and 13 seconds. Jade finished marathon in 4 hours and 3 mins and 18 seconds.

We can write 4 hour 6 minutes 13 seconds as 4 hour 5 minutes 73 seconds. 1 minute has been borrowed to the seconds side, and seconds become 13+60 = 73 seconds.

We can see that Ella took more time than Jade. Let us find how much more time Ella took than Jade by subtracting time taken by Jade from time taken by Ella.  

4\text{ hr }5\text{ min }73\text{ sec }-4\text{ hr }3\text{ min }18{ sec }= 2\text{ min }55\text{ sec }  

We can see that Jade took 2 minute and 55 seconds less than Ella , therefore, Jade was faster than Ella by 2 minutes 55 seconds.

4 0
3 years ago
5 1/3-3 2/4 find the difference
Vinil7 [7]

Answer:

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Step-by-step explanation:

Take the fractions and get them to the same bottom number, 12.  So it would be 5 4/12 -  3 6/12.

Take 1 away from 5 to get 4 and the one you pulled would be 12/12(also equal to 1).  4  16/12 - 3  6/12 would be 1  10/12

8 0
3 years ago
Simplify this algbraic expression completely 5y-3(y+2)
Sophie [7]

Answer:

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Step-by-step explanation:

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simplify

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5y - 3y + ( -6)

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combine like terms

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sertanlavr [38]
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4 0
3 years ago
Read 2 more answers
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lutik1710 [3]

Answer:

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Step-by-step explanation:

<h3>height=35 in.</h3><h3>base = 24<em><u>i</u></em><em><u>n</u></em><em><u>.</u></em><em><u> </u></em><em><u> </u></em></h3>

<em><u>then</u></em> <em>multiply</em>

8 0
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