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emmasim [6.3K]
2 years ago
13

Please help, this is worth a lot to me

Mathematics
1 answer:
Blizzard [7]2 years ago
8 0
27°


The angle which a chord subtends at the centre of a circle is twice the angle it subtends on the circumference.
i.e
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While going on a date to the movies, you offer to buy the snacks. You plan to buy two packs of candy (one for each of you) and a
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Solve the system of equations.
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the answer is b

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Step-by-step explanation:

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Solve the following systems of equations 2a+4b+c=5 ; a-4b=-6 ; 2b+c=7.
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Answer:

a = -2

b = 1

c = 5

Step-by-step explanation:

Given:

2a + 4b + c = 5 ............(1)

a - 4b = - 6

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2b + c = 7

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substituting 2 and 3 in  1, we get

2(4b - 6 ) + 4b + (7 - 2b) = 5

or

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or

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or

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substituting b in 2, we get

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8 0
2 years ago
Solve Highschool Pre cal
Bezzdna [24]

Option C:

\ln 64 y^{2}

Solution:

Given expression: 2 ln 8 + 2 ln y

Applying log rule a \log b=\log b^{a}  in the above expression.  

⇒ 2 \ln 8+2 \ln y=\ln 8^{2}+\ln y^{2}

Applying log rule \log a+\log b=\log (a b) in the above expression.

⇒ \ln 8^{2}+\ln y^{2}=\ln \left(8^{2} y^{2}\right)

We know that 8^{2}=64

⇒ \ln \left(8^{2} y^{2}\right)=\ln 64 y^{2}

Hence, the expression in single natural logarithm is \ln 64 y^{2}.

6 0
3 years ago
A jar contains three red marbles and five green marbles. A marble is drawn at random and not replaced. A second marble is then d
zvonat [6]

Answer:  

P(red then green) = 5/8 * 3/7 = 15/56

Step-by-step explanation: Since this is a logical "and" case, we have to multiply the separate events' probabilities...thus  P(red then green) = 5/8 * 3/7 = 15/56

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3 years ago
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