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lina2011 [118]
3 years ago
7

Solve four tenths plus four ninths.

Mathematics
2 answers:
Juliette [100K]3 years ago
7 0

Answer:

The answer is C

Step-by-step explanation:

4/10 and 4/9 do not have a common denominator so you have to find a common denominator the common denominator is 90 so then you have to find the new numerator 4/10 new fraction is 36/90 and the new fraction of 9/10 is 40/90 then you add them which you get your answer 76/90.

GaryK [48]3 years ago
3 0

Answer:

D

Step-by-step explanation:

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3 years ago
Dale and 2 friends share one fourth of a cake.Each peice is the same size.Dale belives each peice of cake has an angle measure i
Umnica [9.8K]

Answer:

The correct answer is Dale is absolutely wrong.

Step-by-step explanation:

When the cake was complete, it had 360°. When the cake is divided into four halves each half now has 90° each.

Three person including Dale is about to eat the one fourth of the cake, divided among them equally.

Thus each friend gets \frac{90}{3}° = 30° of cake each.

But Dale claims that each piece of cake has an angle measure if 45°, which is a contradiction as each piece is supposed to to be equal.

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3 years ago
Joe runs one lap around a track in 80 seconds. Joe and Jim start at the same point and run the track in opposite directions. The
inysia [295]
Joe runs one lap around a track in 80 seconds. Joe and Jim meet after 30 seconds.We know how long does it take for Joe to run one lap, so we can calculate what distance he runs in 30 seconds:
He runs half lap for 40 seconds. He runs quarter lap for 20 minutes and he runs 1/8 lap for ten minutes. So for 30 seconds he runs 3 * 1/8 lap=3/8 lap.
Because Jim runs in opposite direction this means that he will meat with Joe at 1-3/8=5/8 lap. So, Jim runs 5/8 lap for 30 seconds.
1/8 lap Jim runs for 30/5=6 seconds, so Jim needs 8*6=48 seconds to run the lap.
 After 30 seconds Joe has run e runs 
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3 years ago
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PLEASE HELP SUPER EASY GRAPHING PROBLEM, WILL MARK U BRAINLIEST
Maksim231197 [3]

Answer:

Step-by-step explanation:

x- int

1/3x - 2/3 = 0

1/3x = 2/3

3(1/3x = 2/3)

x = 2

(2, 0)

y- int

y = 1/3(0) - 2/3

y = 0 - 2/3

y = -2/3

(0, -2/3)

4 0
3 years ago
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