An electric pole, 14 metres high, casts a shadow of 10 metres. Find the height of a tree that Casts a Shadow of 15 metres under similar conditions. ​

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Answer 1
Answer:

Answer: The height of the tree will be 21 meters


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Given: PKHE - inscribed, m∠E=120°, m∠EPK=51°, PF ∥ EH .
Find: m∠KPF, m∠H.

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Answer:

C is the answer they are equal.

Step-by-step explanation:

What is the answer to (-6)-((-2)-5)2

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( -6) - ((-2) - 5) × 2

First, simplify your brackets. / Your problem should look like: -6 - (-2 - 5) x 2
Second, simplify -2 - 5 to get -7. / Your problem should look like: -6 + 7 x 2
Third, multiply 7 × 2 to get 14. / Your problem should look like: -6 + 14
Fourth, simplify. / Your problem should look like: 8

Answer: 8

Help!! I need real help where someone can give me the answer but explain as well

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Here is the answer, the summation of the angles inside any triangle = 180 . Also, the same thing for any angles for straight line = 180.

I need help on 2 and 3 please

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2. A
3. A
2 times x is 2x, 2 times y is 2y; therefore it is 2y +2x
2 times 3x is 6x, there is no possible way for the answer to be 5x
if you multiply the outside number by all the terms in the parenthesis you'll get;
2(x + y) = 2(x) + 2(y)= 2x + 2y giving you A as your answer in Q.#2.
And for Q.#3 the its the same steps;
2(3x) = 2(3)(x) = 6x Giving you A as your answer cause; 5x is not equivalent and the others are equivalent to 6x by multiplying as I explained you.
hope that helps :D

I am so confused on functions! Please help!

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Functions are basically another way of expressing a way to get y or x or anything (mostly used for graphs) You will see functions like f(x)= 23y-5 (that was made up). Basically the number in the parenthesis in front of the f is what you're finding. So the equation after the equal sign is how to find whatever is being found. So in this case, finding x can be pretty easy. By the way, when graphing this you have x as the run and y as the rise. 

What does it mean for an equation to express y in terms of x

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This is also known as constant of variation. 

So, lets give an example

y = 4 and x = 2

If y = 8, what does x equal?

4*2 = 8
y = 8

x = 2
2*2 = 4

x = 4

We solve for the missing value based on the other value.