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Nitella [24]
3 years ago
13

A climber starts descending from 553 feet above sea level and keeps going until she reaches 10 feet below sea level. How many fe

et did she descend?
Mathematics
1 answer:
Pani-rosa [81]3 years ago
4 0
The climber descended 543 feet. She starts descending from 553 feet, and keeps descending until she reaches 10 feet. 553-10=543. To check the answer, add 10 to 543, which gets you 553.
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Please help me!
Tamiku [17]
Check the picture below.

notice the sides, now, on the second triangle, side 6 slants a bit more to fit in 13, on the third triangle, side 6 slants even further to fit 13 in, now, if 6 were to slant completely, it'll make a flat-line with side 5, and there will be a triangle no more.

but even if side 6 would stretch to a flat-line, 5+6 is just 11, whilst side 13 is longer than that, so no dice.

4 0
3 years ago
3m - (7m+12) =2 (m-3)
viktelen [127]
Remove parentheses
3m - 7m+12 = 2 m-3

collect like terms
3m-7m-12 = 2m-6

move terms
-4m - 12 = 2m-6

collect the like terms and calculate
-4m-2m = -6+12

divide both sides by -6
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m= -1

7 0
3 years ago
Lisa studies 5 hours for a particular test and gets a score of 77. At this rate, how many hours would she have to study to get a
Murljashka [212]
77/5=99/x
77x=5*99
77x=495
x=495/77
x=6.4
she needs to study 6.4 hrs to get 99
4 0
3 years ago
Esme plans to flip a fair coin 3 times and record the results of each flip.
MariettaO [177]

Answer:

<h3 /><h3><u>Required</u><u> </u><u>Answer</u><u>:</u><u>-</u></h3>

Sample space=s={HHH,TTT,HTT,THT,HHT,TTH}

|s|=6

Probability ={\dfrac {1}{6}}

7 0
3 years ago
1
Vadim26 [7]

Answer:

x+2

Step-by-step explanation:

The firs 3 observations are x, x+2, x+4

Mean = sum of data/samaple size

Mean = x+x+2+x+4/3

MEan = 3x+6/3

Mean = 3(x+2)/3

Mean = x+2

Hence the required mean is x+2

6 0
3 years ago
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