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Rus_ich [418]
3 years ago
12

Please help me solve this fast! Will give brainliest!

Mathematics
1 answer:
gulaghasi [49]3 years ago
6 0

Answer:

After checking the problem, I figured out that X = 6.

Step-by-step explanation:

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2 planes fly in opposite directions. One travels 475 mi/h and the other 525 mi/h . How long will it take before they are 6,000 m
pychu [463]
The speed at which they are moving apart = 475 + 525 = 1000 mi/h

Time  = distance / speed
         = 6000 / 1000  = 6 hours

The answer is 6 hours.



8 0
3 years ago
The sum of two numbers is 53 and the difference is 27. What are the numbers?
ikadub [295]

Answer:

The numbers are 39 and 14.

Step-by-step explanation:

Equation 1, sum of the numbers:

 

x  +  y   =  53

 

Equation 2, difference of the numbers:

 

x  -  y  = 25

 

System of equations:

 

x  +  y  =  53

x  -  y   =  25

----------------

2x = 78

 

x = 39

 

Solve for y:

 

39  +  y  = 53

 

y  =  14

 

The numbers are 39 and 14.

8 0
3 years ago
NEED HELP PLS thank u
Mandarinka [93]
Hey I can help. Do u still need it?
7 0
3 years ago
Read 2 more answers
What is the shape of f(x)
KonstantinChe [14]

f(x) is concave down on an interval I if all of the tangents to the curve on I are above the graph of f(x)

8 0
2 years ago
Line AB contains points A (−6, 3) and B (2, −5). Line AB has a slope that is
nirvana33 [79]
Slope of a line contatining the points (x1,y1) and (x2,y2) is
(y2-y1)/(x2-x1)

so slope between (-6,3) and (2,-5) is
(-5-3)/(2-(-6))=(-8)/(2+6)=-8/8=-1

the slope is -1
8 0
3 years ago
Read 2 more answers
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