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Nutka1998 [239]
1 year ago
5

Find the indicated values: Given: OA=AC=2 AB is a tangent line Find: AB

Mathematics
1 answer:
nlexa [21]1 year ago
3 0

Step-by-step explanation:

OA=AC=OC=2 (equal triangle)

which means angle O =60 degree

tan 60 = AB / 2

AB = 2 tan 60 =

2 \sqrt{3}

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17. It takes one minute to fill (3/7) th of a vessel. What is the time taken in
Vinil7 [7]

Answer:

Given that 1minute =3/7of the vessel

let the time taken in minutes to fill the whole of the vessel be' x' minute.

1min =3/7

xmin =whole vessel =1=7/7

=3x/7=1=x=7/3=2.3min=2min.3sec

8 0
1 year ago
Lonzell said the function shown in the graph is positive on the interval (−,) and negative on the interval (−,−)open negative 5
Nezavi [6.7K]

Answer:

The positive graph is on the points  (-5,-4) and (2,5)

And, negative would be (-4,2)

Step-by-step explanation:

As it seems that fgraph shows positive in the case when it is over x-axis, and negative when it is below y-axis

As on the interval (-1,5)

The graph is below x-axis i.e. on (-1,2)

And, over x-axis i.e. on (2,5)

At this point Lonzell’s  is not correct

As on the interval (-5,-1)

The graph is below x-axis i.e. on (-4,-1)

And, over x-axis i.e. on (-5,4)

 At this point Lonzell’s  is not correct

So,

The positive graph is on the points  (-5,-4) and (2,5)

And, negative would be (-4,2)

5 0
2 years ago
On the drawing for a house plan, the master bedroom is rectangular and has dimensions of 2.25 inches by 2.5 inches. If the scale
satela [25.4K]

The answer is 16 metric units by the quarter mile

8 0
1 year ago
Train A and train B stops at Swindon at 10:30 . Train A stops every twelve minutes and train B stops every 14 Mins , when do the
Nata [24]

Answer: at 11:54

Step-by-step explanation:

Let's define the 10:30 as our t = 0 min.

We know that Train A stops every 12 mins, and Train B stops every 14 mins, they will stop at the same time in the least common multiple of 12 and 14.

To find the least common multiple of two numbers, we must do:

LCM(a,b) = a*b/GCD(a,b)

Where GCD(a, b) is the greatest common divisor of a and b.

In this case the only common divisior of 12 and 14 is 2.

So we have:

LCM(12, 14) = 12*14/2 = 84.

Then the both trains will stop 84 minutes after 10:30

one hour has 60 mins, so we can write 84 minutes as:

1 hour and 24 minutes = 1:24

Then they will stop at the same time at 10:30 + 1:24 = 11:54

4 0
1 year ago
There are 10 red counters and x blue counters in a bag. 2 counters are removed fron the bag. the probability that both counters
frutty [35]

Step-by-step explanation:

10 red 6 blue so 16 altogether.

apologies if I'm wrong

8 0
2 years ago
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