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RoseWind [281]
3 years ago
10

Can somebody help me with this question. Will mark brainliest.

Mathematics
1 answer:
Tresset [83]3 years ago
8 0
I think it’s the second one
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HELP!!
lina2011 [118]

Step-by-step explanation:

you subtract the current population from the previous population.

55112-47230= 7882

6 0
3 years ago
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Find the quotient. (5ab - 10b^2 + 15bc) ÷ 5b
leonid [27]
5ab/5b= a
-10b^2/5b= -2b
15bc/5b= 3c

Put it all together
Final answer: a-2b+3c
6 0
3 years ago
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An observer at the top of a tower of height 20m sees a man due East of him at an angle of depression of 27°. He sees another man
kotegsom [21]

Answer:

  • 52.35 m

Step-by-step explanation:

<em>Refer to picture.</em>

Let the distance to men are x and y and the distance between them is d.

The angle of depreciation is 27° and 30°, hence top angle of the triangle is 63° or 60°.

<u>Find the distance from the tower to men:</u>

  • x = 20 tan 63° = 39.25 m
  • y = 20 tan 60° = 34.64 m

<u>The distance between men is:</u>

  • d = \sqrt{x^2+y^2} =\sqrt{39.25^2+34.64^2} = 52.35m

<em>Note, all numbers are rounded</em>

8 0
3 years ago
Please help me!!!!!!!!!!
azamat

Answer:

oh sorry i dont know that im grade six sorry

8 0
3 years ago
Round off to 2 decimal place<br> 26.8336 = (2d.p)
Anuta_ua [19.1K]

Answer:

26.8336 ≈ 26.83

Step-by-step explanation:

If x < 5, then we round down.

If x ≥ 5, then we round up.

2 decimal places is the hundredths place.

26.83<u>3</u>6

3 < 5, so we round down

26.83

3 0
4 years ago
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