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slavikrds [6]
3 years ago
5

Look at the figure find the value of x. 4x-16 2x-4 3x-2

Mathematics
1 answer:
UkoKoshka [18]3 years ago
7 0

From the given figure we can write , using Pythagoras theorem

\\ \ BG^2=GC^2+BC^2\\ \\ BG^2=GA^2+AB^2\\ \\ \Rightarrow GC^2+BC^2=GA^2+AB^2\\ \\ \ \Rightarrow (4x-16)^2+(3x-2)^2=(2x-4)^2+(3x-2)^2\\ \\ \ \Rightarrow (4x-16)^2=(2x-4)^2\\ \\ \Rightarrow (4x-16)=(2x-4)\Rightarrow 4x-2x=16-4\\ \\ \ \Rightarrow 2x=12\Rightarrow x=6\\

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AnnyKZ [126]
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5/6=20/24
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A bowl of fruit is on the table. It contains 5 apples, 2 oranges, and 2 bananas. Christian and Aaron come home from school and r
Sholpan [36]

The probability that both grab oranges would be = \frac{1}{36}

Step-by-step explanation:

Given,

A bowl contains,

Apples = a = 5

Oranges = o = 2

bananas = b = 2

Total fruits in bowl = x = a + o + b = 5 + 2 + 2 = 9

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The probability of first selecting orange would be = \frac{o}{b} = \frac{2}{9}

Now, the oranges left would be 2 - 1 = 1

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Hence, the probability of selecting second orange would be = \frac{1}{8}

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7 0
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Complete the statement of each of these rules:
never [62]

Answer:

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(?) = (+)

b) (-) × (+) = ?

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c) (?) × (-) = ?

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Step-by-step explanation:

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From the given equation in the question, by dividing both side of the equation by (+), we have;

((+) × (?))/(+) = (+)/(+)

(?) = (+)/(+) = (+)

Therefore, we have;

(+) × (+) = (+)

(?) = (+)

b) (-) × (+) = ?

From the given equation in the question we apply the operation rules as follows;

(-) × (-) = (+)

(-) × (+) = (-)

Therefore;

(-) × (+) = ? = (-)

? = (-)

c) (?) × (-) = ?

From the rules of multiplication, we have;

(-) × (-) = (+)

(+) × (-) = (-)

Therefore, when (?) = (-), ? = +, from which we have;

(?) ≠ ?, which is an error

Similarly, when (?) = (+), ? = -, therefore, (?) and ?, always changes sign

Therefore, the equation, (?) × (-) = ?, is undefined.

3 0
3 years ago
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