WORTH 15 POINTS

Mathematics

1 answer:

Eduardwww [97]2 years ago

5 0

6
less then or equal to
2

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12 divided by 8/9 = ?

Oduvanchick [21]

The answer would be 13 1/2 because you turn the 12 into a fraction then change the division sign into a multiplication sign and find the reciprocal of 8/9 which is 9/8 you could now divide 12/1 divided by 9/8 you could cross simply then dove to get 27/2 and in the end you get 13 1/2 if you turn the improper fraction into a mixed number.

8 0

3 years ago

30<br> 20<br> Find y.<br> I don’t get thisss

Allisa [31]

Y=10. Hopefully this picture explains it

7 0

2 years ago

A lawn in the shape of a trapezoid has an area of 1,800 square meters. The length of one base is 50 meters, and the length of th

Alona [7]

9514 1404 393

Answer:

40 m

Step-by-step explanation:

The area is given by the formula ...

A = 1/2(b1 +b2)h

Using the given values, we can find h to be ...

1800 = 1/2(50 +40)h

3600 = 90h . . . . . . . . . multiply by 2

40 = h . . . . . . . . . . . divide by 90

The width of the lawn is 40 meters.

6 0

3 years ago

Zaheer, a boy of height 1.5m was watching the entire programme. Initially he observed the top of theflagpoleat an angle of eleva

torisob [31]

Answer:

$h = 15.163\ meters$

Step-by-step explanation:

(Assuming the correct angles are 30° and 45°)

We can use the tangent relation of the angle of elevation to find two equations, then we can use these equations to find the height of the pole.

Let's call the initial distance of the boy to the pole 'x'.

Then, with an angle of elevation of 30°, the opposite side to this angle is the height of the pole (let's call this 'h') minus the height of the boy, and the adjacent side to the angle is the distance x:

$tan(30) = (h - 1.5) / x$

Then, with an angle of elevation of 45°, the opposite side to this angle is still the height of the pole minus the height of the boy, and the adjacent side to the angle is the distance x minus 10:

$tan(45) = (h - 1.5) / (x - 10)$