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emmainna [20.7K]
3 years ago
13

From a boat on the lake, the angle of elevation to the top of a cliff is 27°57'. If the base of the cliff is 128 feet from the b

oat, how high is the cliff (to the nearest foot)?
Mathematics
1 answer:
Len [333]3 years ago
3 0
Here is your genuine answer

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Write the inverse of h(x) = log7 x H -1(x) = x 7 H -1(x) = 7y H -1(x) = 7x
DerKrebs [107]

Answer:

HMMM this? im not sure i hope this will help... Solve the equation: 7x 9 x x 7. ... 7. Graph the linear system and estimate the solution. x + y = 4 x y = 8 (, ) 4. Write the slope-intercept form of the line that passes through the point (5, 5) and has ... x. Find h(g()). 4 ... Simplify the given expression.xy(xy 5xy 7y ) 6x y 4 0x y 4xy 6x y 4 5xy 7y 6x y 4 5x y 7x y d. ... B 5. x log7 log4 5.

Step-by-step explanation:

3 0
3 years ago
a box half full of apples weighs 40kg and the same box one fifth full weighs 22kg. what does the box weigh when empty?
likoan [24]
So in order to answer your question  we calculate 40 - 22 wich gives us the answer of 18, so now we can say that 4/5 of apples weight 18 so now 18 / 4 = 4,5; 4,5 * 5 = 22,5 wich is the weight of apples you can put in the box, to know the answer we deduct the greatest weight of apples only from the weight of the box with those apples so, 40 - 22,5 = 17,5
so the answer to your question is 17,5
i hope i helped you
6 0
3 years ago
What is the vertex of the graph of f(x) = x2 + 10x - 9? A) (-5, -34) B) (-5, -9) C) (5, -9) D) (5, 66)
sukhopar [10]

Answer:

A) (-5, -34)

Step-by-step explanation:

f(x) = x^2 + 10x - 9

We complete the square to get the equation in vertex form

Take the coefficient of the x term and divide by 2 then square it.  We add it and then subtract it not to change the value of the equation

f(x) = x^2 + 10x +(10/2)^2 - (10/2)^2 - 9

f(x) = x^2 +10x +25 -25 -9

f(x) = (x^2 +10x +25) -34

The term in parentheses simplified to (x+10/2) ^2

     = (x+5)^2 -34

   = (x - -5)^2 -34

This is in the form (x-h)^2 +k

The vertex is (h,k)  h=-5 and k=-34

(-5,-34)

4 0
3 years ago
Read 2 more answers
Evaluate the expression.<br> 621+5) - 3
Gennadij [26K]

Answer:

I think its 623

8 0
4 years ago
F(x) = 2x and g(x) = x + 1, find f(3) and find gf(3)
lord [1]

Answer:

6 and 7

Step-by-step explanation:

To evaluate f(3), substitute x = 3 into f(x) , that is

f(3) = 2(3) = 6

To evaluate g(f(3)), substitute f(3) = 6 into g(x)

g(6) = 6 + 1 = 7

8 0
3 years ago
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