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yuradex [85]
3 years ago
14

It took Amber 5 hours 16 minutes to finish a race. Her time at the halfway marker was 2 hours 49 minutes. How long did it take A

mber to complete the second half of the race?
-1 hour =?
-So, 5 hr 16 min = 4 hr ? Min?
-4 hour 76 min- 2 hr 49 min =?
Mathematics
2 answers:
KIM [24]3 years ago
8 0
3hr 33 min I guess not really sure
Ira Lisetskai [31]3 years ago
8 0
One hour=60 minutes
5 hours=300 minutes
2 hours=120 minutes
5 hours and 16 minutes=316 minutes
2 hours and 49 minutes=169 minutes
316 minutes-229 minutes=147 minutes
147 minutes=2 hours and 27 minutes
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319049

as 100,042 + 98,117 + 120,890 = 319,049

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3 years ago
What operation do you use to convert 50 cups to gallons?
zzz [600]
Division can be used. For example

50/16=3.125gallons

or you could use multiplication

50*1/16=3.125gallons


5 0
3 years ago
Read 2 more answers
Toll booths are used to collect money from drivers who use a particular road. On average, 45 cars pass through a particular toll
Free_Kalibri [48]

Answer:

skskaka

Step-by-step explanation:

T(h)=75(h+45)

3 0
3 years ago
A piece of cloth was 30 feet long. how long is this cloth in yards? one yard = 3 feet​
Alinara [238K]

Answer:

10 yards

Step-by-step explanation:

Every 1 yard is 3 feet, the cloth is 30 feet
30 ÷ 3 = 10

The cloth is 10 yards.

Hope this helps!

7 0
2 years ago
In figure find the area of the red part.​
larisa [96]

Step-by-step explanation:

Given : A rectangle 4 x 8 , a semicircle

Diagonal intersecting semicircle  

To Find :Area of red part

<h3>Solution:</h3>

Angle AC make AB   α = ∠BAC

tan α = BC/AB = 4/8 = 1/2

=> α = 26.565°

∠ECA = ∠BAC = α

EC = EF = 4

=> ∠CEF = 180° - 2α

∠AED = 45°  as   AE is  diagonal of Square of side  4

=> ∠AEF  + 180° - 2α + 45° = 180°

=>  ∠AEF =  2α - 45°  = 8.13°

in Left side area  between square  and circle is split in 2 Equal parts

(1/2) area - area AFG = area of Red part

in Left side area  between square  and circle  = 4² - (1/4)π4²

= 3.4336 sq unit

half  =  1.7168 sq unit  

Now find area AFG = area ΔAEF - sector EGF

area ΔAEF  

AE = 4√2  , EF = 4    angle = 8.13°

area ΔAEF   = (1/2) 4√2 * 4 sin 8.13° = 1.6 sq unit

area  sector EGF  = (8.13/360)π4² = 1.135  sq unit

area AFG  = 1.6 - 1.135  = 0.465 sq unit

Area of Red part = 1.7168 - 0.465 sq unit

= 1.2518 sq unit

= 1.252  sq unit

= 1.25 sq unit.

Hope this helps!!

5 0
3 years ago
Read 2 more answers
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