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Andreyy89
3 years ago
7

Can someone plz help me

Mathematics
1 answer:
artcher [175]3 years ago
6 0

Answer:

IT's d!!!!!

Step-by-step explanation:

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If 12% of the air leaks out of Brian's bicycle tire every day, what percent of the air will be left after 2 days? After a week?
Leni [432]

Answer:

77.44%

49.87%

Step-by-step explanation:

If 12% leaks everyday, on the first day 12% would leak, leaving 100 - 125 = 88% of air

on the second day, 12% of 88% would leak = 0.88 x 0.12 = 0.1056

Air left on the second day = 88% - 10.56% = 77.44%

After a week = (100 - 12%)^7 = 49.87%

6 0
2 years ago
PLS HELP DUE IN 10 MINUTES I WILL GIVE BRAINLIEST FIVE STARS AND A THANKS NO JOKE IM RLLY DESPERATE SO PLS HELPPPPPP :c IF U DID
frutty [35]

Answer:

-1/2

Step-by-step explanation:

counting down by 2 over one

6 0
2 years ago
a hiker climbs down a 90 foot hill in five minutes what is his average change in elevation per minute
andrey2020 [161]

90 feet/5 minutes = 18 feet per minute

3 0
3 years ago
Concrete pour requires 9.83 cubic yards of cement. How many one cubic foot sacks must be order?
OverLord2011 [107]

Answer:

  266

Step-by-step explanation:

There are (3 ft)^3 = 27 ft^3 in 1 cubic yard. Then 9.83 cubic yards will be ...

  (9.83 yd^3)(27 ft^3/yd^3) = 265.41 ft^3

265 sacks will not be enough. 266 sacks must be ordered.

5 0
2 years ago
A linear function contains the following points (0,-1) (3,8)
AlekseyPX
The answer is d.
to find the slope you can do y2-y1/x2-x1
8-(-1)/3-0= 9/3 or 3
you can then put one of the points into the slope intercept form y=mx+b or 8=3(3)+b
you get 8=9+b. you subtract 9 from both sides to get -1=b. y intercept means that the point is (0,-1)
3 0
2 years ago
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