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Svetradugi [14.3K]
3 years ago
15

What is this mess. you will get 29 pts if you know

Mathematics
2 answers:
Arada [10]3 years ago
7 0
X= 20 degrees. Your welcome if it were a little less sloppy it would probably make much more sense.
tatyana61 [14]3 years ago
3 0
X=20 degrees yea it is a mess
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The sum of two numbers is 42 and the difference is 16
mamaluj [8]
The answer for this one is 29 and 13. Hope it help!
4 0
3 years ago
Ame
crimeas [40]

Answer:

Concept: Mathematical Analysis

  1. 2 friends share 56
  2. 5- 10 dollar bills and 6- one dollar
  3. We split the bills in half to equate equal change.
  4. Hence 5 bills ÷2= 2.5 or 25 dollars
  5. 6 bills÷2= 3 or 3 dollars
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3 0
3 years ago
An airplane flying with the wind can cover a certain distance in 2 hours. The return trip against the wind takes 2.5 hours. Find
Anna [14]

Answer:

Wind speed = 30 mph

Plane speed = 270 mph

Step-by-step explanation:

Given that :

Distance = 600 miles

Let speed of airplane = a ; speed of wind = b

Net speed ; with wind = a + b

Net speed against wind = a - b

Time taken with wind = 2 hours

Time taken against wind = 2.5 hours

Recall :

Speed = distance / time ; distance = speed * time

(a + b) * 2 = (a - b) * 2.5

2a + 2b = 600

a + b = 300 - - - (1)

a = 300 - b

2.5a - 2.5b = 600

a - b = 240 - - - (2)

300 - b - b = 240

300 - 2b = 240

-2b = - 60

b = 30

a = 300 - 30

a = 270

Wind speed = 30 mph

Plane speed = 270 mph

4 0
2 years ago
Resta -7/10 -(-4/15)
Snezhnost [94]

Answer:

-13/30

Step-by-step explanation:

I used KCC. It is a method when you<u> keep you 1st # the same</u>, <u>change subtraction to addition</u> and then <u>change the last # to its opposite.</u> So after KCC, the equation would be -7/10 + 4/15

6 0
3 years ago
Read 2 more answers
Sales tax is 6%. Bought car for$820 what was cost of car
pogonyaev
820 + .06(820)
820 + 49.2
869.2
The cost of the car is $869.20.
8 0
3 years ago
Read 2 more answers
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