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Anastasy [175]
3 years ago
10

in the adjoining figure P A and PB are tangents from P to a circle with Centre O if angle APB is equal to 40 degree then find an

gle ACB​
Mathematics
1 answer:
Anna11 [10]3 years ago
5 0

Step-by-step explanation:

40° + 90° + 90° + angle ACB = 360°

220° + angle ACB = 360°

angle ACB = 360° - 220°

Therefore angle ACB = 140°

Hope it will help :)

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A radio station is giving away a $100 bill to every 30th caller and movie tickets to every 40th caller. Which call will be the f
Ymorist [56]

Answer:

120th caller

Step-by-step explanation:

According to the problem, calculation of the given data are as follows,

$100 bill = 30th caller

Movie tickets = 40th caller

So, to find out first to win both prizes, we will use LCM method,

LCM of 30 and 40 =       10 | 30 , 40

                                            | 3    , 4

LCM of 30 and 40 = 10 × 3 × 4 = 120

Hence, 120th caller will be the first to win both prizes.

3 0
3 years ago
Use the zero product property to find the solutions to the equation x^2 + x -30=12
Alla [95]

Answer:

The solutions are x = -7, 6.

Step-by-step explanation:

To find the solutions, move everything to one side of the equation so the equation is equal to 0. Then factor. Set the factors equal to 0 and solve for x.

x^2 + x - 30 = 12\\x^2 + x -42=0\\(x+7)(x-6) = 0

x+7 = 0

x = -7

and

x-6 = 0

x = 6

The solutions are x = -7, 6.

6 0
3 years ago
Read 2 more answers
Show that (2+3) + 6= (6+3) +2
lara [203]

Answer: use order of operstions

Step-by-step explanation:

4 0
2 years ago
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Sophie has 5 pieces of string that are each 5 feet long. Cooper has 4 pieces of string that are each
Reil [10]

Answer:

Sophie has 12 feet more

Step-by-step explanation:

5 0
3 years ago
To join the game club, you must pay $7 a month plus
ivanzaharov [21]

Answer: Total cost/month = 7 + 3x

Step-by-step explanation:

This is only the total cost per month that is why it is only 7 and 3x since the number of downloaded games is not given.

I'm not sure about my answer but I hope that it helps.

8 0
1 year ago
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