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mylen [45]
3 years ago
5

A speed boat is traveling at 100km/hr. how many hours will it take for the boat to cover a distance of 115?

Mathematics
1 answer:
Oliga [24]3 years ago
5 0

Answer

1.15 hours

Step-by-step explanation:

Assuming 115 is 115 km then you just move the decimal point twice and get 1.15!

For example - (Starting number) 115.    (Moving decimal point) 115. -> 11.5 -> 1.15

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Two planes are heading toward each other. One plane is traveling at 450 mph, and the other plane is traveling at 375 mph. What i
gavmur [86]

Answer:

the rate at which the distance between the planes is changing is 825 each hour

Step-by-step explanation:

The computation of the rate at which the distance between the planes is changing is shown below

= Travelling one plane + travelling another plane

= 450 mph + 375 mph

= 825 mi each hour

Therefore the rate at which the distance between the planes is changing is 825  each hour

We simply applied the above formula so that the correct value could come

And, the same is to be considered

3 0
2 years ago
What is the value of the problem below?
Hitman42 [59]

Answer:

90

Step-by-step explanation:

The first term  = 6* 2^0 =  6

The second term = 6 * 2^ (2-1) = 6*2 = 12

The third term = 6* 2^(3-1) = 6*2^2 = 6*4 = 24

The fourth term = 6* 2^(4-1) = 6* 2^3 = 6*8 = 48

S4  is the sum of the 1st four terms

S4 = 6+ 12+24+ 48 = 90

7 0
2 years ago
This is how you solve this problem: 4/5 = 3 = 4/5 x 3<br> True<br> False
ivann1987 [24]

Answer:

false

Step-by-step explanation:

because when solving fraction as a equation you divide

6 0
2 years ago
Solve the systems of equations y=2x and y=-x - 6
slava [35]

Answer:

y = -4

x = -2

Step-by-step explanation:

Hi there...

y = 2x

y = -x - 6

Since why is equal to 2x, we can plug it in for y in the second equation. Here's what I mean...

2x = -x - 6

add x on both sides...

3x = -6

divide by 3 on both sides...

x = -2

Now, plug in x for y. Here's what I mean...

y = 2x

y = 2 (-2)

y = -4

Hope this helps :)

7 0
3 years ago
Find all values of x (if any) where the tangent line to the graph of the function is horizontal
ratelena [41]

the horizontal tangent line mean y'=0

8 - 2x = 0

x = 4

5 0
3 years ago
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