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kvasek [131]
4 years ago
14

A ranger spots a forest fire while on a 60-meter observation tower. The angle of depression from the tower to the fire is 25°. T

o the nearest meter, how far is the fire from the base of the tower?
Mathematics
1 answer:
Vikentia [17]4 years ago
7 0

27.98ft

You can get this by using the tangent formula. The answer exactly expressed is 60tan25.
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Which ratios are in proportion to 2/5? Select all that apply.
kumpel [21]
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4 0
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What is the sum of a-1/abc^3 + 3-b/abc^3
Lyrx [107]
The answer is\frac{a-b+2}{abc^{3} }

The expression is \frac{a-1}{abc^{3} } + \frac{3-b}{abc^{3} }

Since \frac{a}{x} + \frac{b}{x} = \frac{a+b}{x}, then:

\frac{a-1}{abc^{3} } + \frac{3-b}{abc^{3} } = \frac{a-1+3-b}{abc^{3} }= \frac{a-b-1+3}{abc^{3} }=\frac{a-b+2}{abc^{3} }
4 0
3 years ago
When looking at the rational function f of x equals the quantity x minus one times the quantity x plus two times the quantity x
Luba_88 [7]

As per the given question, the expression of the function f(x) is as:

f(x)=\frac{(x-1)(x+2)(x+4)}{(x+1)(x-2)(x-4)}

Now, as per the definition of zeros, the zero is that value of x which when plugged into the function should make the function zero (it is also called "making the function vanish"). <u>In our case, plugging in "zero values" of x should make the numerator zero without making the denominator zero.</u> Now, if we plug in the given values of x, which are x=-1, x=2 and x=4 in the function we see that the <u>numerator does not become a zero but the denominator does</u>.

Thus, x=-1, x=2 and x=4 are not the zeros of the function and therefore, Sue is wrong. However, we do have discontinuities at the aforementioned values of x because the denominator becomes a zero at those points and as per the definition of a discontinuity the denominator should be a zero at that point. Therefore, Ed is correct.

8 0
4 years ago
F(n) = 7 n - 1 find the sixth term in the sequence
Natasha_Volkova [10]
7*6= 42, 42-1= 41, and that would the anwser
5 0
3 years ago
5. Solve for x:<br> 1/x-1/3=-1/3x
leva [86]

Answer:

(x-3)/9

Step-by-step explanation:

STEP

1

:

           -x

Simplify   ——

           3

Equation at the end of step

1

:

 (3 - x)   -x

 ——————— • ——

   3x      3

STEP

2

:

           3 - x

Simplify   —————

            3x  

Equation at the end of step

2

:

 (3 - x)   -x

 ——————— • ——

   3x      3

STEP

3

:

Canceling Out :

3.1    Canceling out x as it appears on both sides of the fraction line

Final result :

 x - 3

 —————

   9  

hope this helps!!

4 0
3 years ago
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