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Minchanka [31]
2 years ago
10

The height of a tower and the distance of the point of observation from its foot, both, are increased by 20%. The angle of eleva

tion of its top will
(a) increasing
(b) decreasing
(c) Remains same
(d) Can't say
P.S i need the answer wid equation please
Mathematics
1 answer:
makvit [3.9K]2 years ago
4 0

Answer:

decreases

Step-by-step explanation:

<h2><em><u>hope</u></em><em><u> it</u></em><em><u> helps</u></em><em><u> you</u></em><em><u><</u></em><em><u>3</u></em></h2>
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Angle B has a measure between 0° and 360° and is coterminal with a –865° angle. What is the measure of angle B?
zysi [14]

Answer:

  215°

Step-by-step explanation:

Add multiples of 360° until you get an angle in the desired range:

  ∠B = -865° + 3×360° = 215°

4 0
3 years ago
Read 2 more answers
If you are asked to provide a set of two or more numeric answers, separate them with commas. For example, to provide the year th
garik1379 [7]

Answer:  Perimeter = 66 cm and area =66\ m^2

Step-by-step explanation:

The perimeter of rectangle is given by :-

P=2(l+w), where l is length and w is width of the rectangle.

Given : A rectangle has a length of 5.50 m and a width of 12.0 m .

Then, the perimeter of rectangle :

P=2(12+5.50)\\\\\Rightarrow\ P=2(17.50)=35\ m

Also, area of rectangle is given by :-

A=l\times w=5.50\times12=66 \ m^2

Area of rectangle = 66\ m^2

3 0
3 years ago
The sum of 5 times a number and 8 is equal to 9
Irina-Kira [14]

Answer:

The unknown number is \frac{1}{5}

Step-by-step explanation:

Let's make the unknown number x.

The sum of 5 TIMES a number (x) & 8 is 9.

Let's write it mathematically.

5x + 8 =9

We are trying to find the unknown number, so let's remove all the numbers from the left side to find x. Minus 8.

5x=1

5x is basically 5 times x, so to find x, we need to divide and from there we can remove 5.

x= \frac{1}{5}

4 0
3 years ago
Find the dimensions of a rectangle whose width is 6 miles less than it’s length and whose are is 55 square miles.
SSSSS [86.1K]

area = width * length

or

A = W * L

55 = W * (W+6)

solve for width:

0 = W^2 + 6W - 55

this is a quadratic and has two solutions -11 and 5

a length can only be non-negative so discard -11.

width W = 5 miles

now the length is 5+6 = 11 miles


6 0
3 years ago
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(Need 3 answers) An entomologist discovered a new insect species. The population of the insect species can be modeled by P(n) =
Strike441 [17]

Answer:

  • See below

Step-by-step explanation:

<u>According to the model, the equation is:</u>

  • P(n) = 3450*bⁿ

Based on the equation, the initial number of insects is 3450

<u>If b = 1.75, daily growth rate is:</u>

  • 1.75 - 1 = 0.75 = 75%

<u>If  we get P(4) = 55200, find the value of b:</u>

  • 55200 = 3450*b⁴
  • b⁴ = 55200/3450
  • b⁴ = 16
  • b⁴ = 2⁴
  • b = 2
3 0
2 years ago
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