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Airida [17]
3 years ago
14

Plzz Help will mark brainlest!

Mathematics
2 answers:
GarryVolchara [31]3 years ago
7 0
X= 12

30/x = 25/10

[Cross multiply]

(30)*(10) = 25x

300=25x

[Divide 25 from both sides and you are left with...]

12=x
Ira Lisetskai [31]3 years ago
3 0

Answer:

Step-by-step explanation:

180 degree

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Given that cosΘ = -square root 2/2 and that Θ lies in quadrant III, determine the value of sinΘ.
Reptile [31]

Answer:

  C) (square root 2)/2

Step-by-step explanation:

In quadrant III, the sine of an angle is positive. The value will be ...

  sin(Θ) = √(1 -cos(x)^2) = √(1 -(-√2/2)^2) = √(2/4)

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6 0
2 years ago
A bag contains 3 red marbles and 6 blue marbles. what is the probability of randomly selecting a red marble
DochEvi [55]
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4 0
3 years ago
Henry has 20 Lawns mowed out of a total of 50 lawns. What percentage of the lawns does Henry have to still mow?
elena55 [62]
Henry has completed 40% of his work, leaving him with a remaining 60%.

What you do is divide 20 by 50 and your answer is .4, move the decimal two places to the right to get your percent, 40. Then subtract it out of 100 and you get the remaining 60%, which essentially is your answer.
5 0
3 years ago
For the equation 2n - 3 = 7, what is the coefficient of the variable
scoray [572]

Answer:z

Then variable is n

Variable is an alphabet that depend on number. Then the variable there is n

And the coefficient of the variable is 2

The coefficient is the number behind a variable

And the value of the variable is

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Divide both side by 2

2n/2=10/2

n=5

4 0
2 years ago
Read 2 more answers
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Temka [501]

Answer:

93107

Step-by-step explanation:

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Hope this helps!!

3 0
3 years ago
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