3 years ago

Water tower. Model depth 32cm actual depth is ?m

Mathematics

1 answer:

Ghella [55]3 years ago

4 0

Answer:

Step-by-step explanation:

32 cm = 0.32m

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a clock is circular in shape with diameter of 25 cm. find the length of the arc between the markings 12 and 5 rounded to the nea

Anestetic [448]

Answer:

32.7 cm

Step-by-step explanation:

For central angle θ in radians, the arc length is given by ...

s = rθ

The angle between 12 and 5 is 5π/6 radians, and the radius is 25/2 cm, so the arc length is ...

s = (25/2 cm)(5π/6) = (125/12)π cm ≈ 32.7 cm

The arc length between the markings is about 32.7 cm.

3 0

3 years ago

What is the range i need help

valkas [14]

Answer:

[-7, 0]

Step-by-step explanation:

The range describes all values that y can take on. You may notica that the highest point of the graph has an y coordinate of 0 while the lowest has one of -7. Both values are included because they have filled in dots: this means the parenthesis are closed. So, the range would be: [-7, 0]. An alternate way to write this is $-7\leq y \leq 0$ .