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Lapatulllka [165]
3 years ago
12

To find the height of a pole, a surveyor uses a theodolite. The theodolite is 4 ft tall. The surveyor stands 140 feet away from

the base of the pole. Then she measure the angle of elevation to the top of the pole to be 44. What is the height of the pole? Round the answer to the nearest foot.

Mathematics
1 answer:
MakcuM [25]3 years ago
4 0
This is the answer hope it helps

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Three more than 8 times a number is 29. Find the number.
yanalaym [24]
Well, first off, to solve for this, we can write the expression and then solve from there.
Expression: 8x + 3 = 29
So, now that we have our expression, we can solve for our missing number using the balancing method.
8x + 3 = 29
8x + 3 - 3 = 29 - 3 (we subtracted the three because we needed to get rid of the three on the left side of the equation do now we are just left with 8x = 26.
8x = 26
8x/8 = 26/8. (So, the 8 on the left side cancels out and we are just left with X.
X = 26/8
X = 13/4
X = 3 and 1/4
So, in conclusion, the answer to this question is: X = 3 and 1/4 as a mixed number or 13/4 as an improper fraction.
Glad I could help!


8 0
3 years ago
Completely lost ! Need Help With This !
almond37 [142]
The ratio from 80 to 5 would be 16. so divide 144 by 16 and you get 9. Answer:9
5 0
3 years ago
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Liz had attended class everyday since she started school as a kindergartener. She said she had been in school for about a thousa
nika2105 [10]
This would mean that she has been in school for about 1,000 days. Thus, we need to figure out the amount of days she would have went to school within the week. This would normally be 5 days within the 7. 

5/100 x 1000 is 714.28

When rounded to the nearest ten, it would end up at 710.
3 0
3 years ago
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Which of the following points lie in the solution set to the following system of inequalities? y ≤ x − 5 y ≥ −x − 4
Strike441 [17]
Y ≤ x - 5
y ≥-x - 4

   x - 5 = -x - 4
+ x       + x
 2x - 5 = -4
     + 5  + 5
       2x = 1
        2     2
         x = ¹/₂
         y = x - 5
         y = ¹/₂ - 5
         y = -4¹/₂

The following points that lie in the solution set to the following system of inequalities is (¹/₂, -4¹/₂).
8 0
3 years ago
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Factor the expression completely over the complex numbers. X3+5x2+9x+45
shepuryov [24]

x^3+5x^2+9x+45=x^2(x+5)+9(x+5)=(x+5)(x^2+9)=(*)\\\\x^2+9=x^2+3^2=x^2-(-1)(3^2)=x^2-(i^2)(3^2)=x^2-(3i)^2\\\\i=\sqrt{-1}\to i^2=-1\\\\(*)=(x+5)[x^2-(3i)^2]=(x+5)(x-3i)(x+3i)\\\\Used:\ a^2-b^2=(a-b)(a+b)\\\\Answer:\ x^3+5x^2+9x+45=(x+5)(x-3i)(x+3i)

4 0
3 years ago
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