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fredd [130]
3 years ago
11

In circle C, what is m?

Mathematics
1 answer:
ki77a [65]3 years ago
7 0

I assume the 38º measurement refers to the measure of arc BE. Then

37^\circ=\dfrac{m\widehat{AJ}-38^\circ}2\implies m\widehat{AJ}=112^\circ

and so

32^\circ=\dfrac{112^\circ-m\widehat{FH}}2\implies m\widehat{FH}=\boxed{48^\circ}

(I think the theorem I used here is called "angle of intersecting secants")

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Boat takes 3 hours to go 6 miles upstream. it can go 18 miles downstream in the same time. find the rate of the current and the
svet-max [94.6K]
Find the MPH of the boat when it goes upstream... 3h / 6m = 1h / 2m
So, 2mph
Speed of the boat - current = 2mph - > x - y = 2
Find the MPH of the boat going downstream... 3h / 18m = 1h / 6m
So, 6mph
x + y = 6
We now have a system of equation, let's solve it!

x - y = 2 -> x = y + 2
x + y = 6  - >  (y + 2) + y = 6  ->  2y + 2 = 6   ->   2y = 4    ->   y = 2
This is the speed of the current!
Subtitute y = 2 in the first equation:
x - 2 = 2
x = 4
This is the speed of the boat
Rate of the current = 2mph
Rate of the boat in still water = 4mph

5 0
3 years ago
What is the equation of the line that passes through the points (4/5, 1/5) and (1/2, 3/2)?
zavuch27 [327]

Answer:

y=-13/3x+11/3

Step-by-step explanation:

(1.5-0.2)/(0.5-0.8)=1.3/-0.3=-13/3

-13/3(0.5)+b=1.5

b=11/3

8 0
3 years ago
Franklin races bikes. In his city, there are 44 lengths of race tracks. The chart shows the race tracks and each track's length
hichkok12 [17]

Answer:

51

Step-by-step explanation:

51 is elaginlent to 44 and 33 12 garde things

3 0
3 years ago
If 9 oz make 10 servings how many oz do I need to make 13 servings
Luden [163]
9/10 = x/13. Solve for x. X = 11.7.
Your answer would be 11.7oz. Hope this helps
4 0
3 years ago
Calculate the length of BE
lora16 [44]

Answer:

BE = 72 cm

Step-by-step explanation:

\frac{AB}{BC} = \frac{BE}{CD}        (BPT Theorem)

\frac{20}{5} = \frac{BE}{18} \\

⇒ 4 = \frac{BE}{18}

⇒BE = 18 × 4

∴ BE = 72 cm

Hope this helps...

Please mark as Brainliest!!

6 0
3 years ago
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