3 years ago

Which pair of lines have the same slopes and y-intercepts?

Mathematics

1 answer:

kirza4 [7]3 years ago

4 0

Answer:

parallel lines have the same slopes

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A frustum is formed when a plane parallel to a cone’s base cuts off the upper portion as shown. Which expression represents the

Bezzdna [24]

Think of the two pieces together as a single cone of height 19, and its volume.
Then think of only the upper piece as a cone, and find its volume.
The volume of the frustum is the total volume minus the volume of the upper piece.

The volume of a cone is:

$V = \dfrac{1}{3} \pi r^2 h$

Total volume:

$V_t = \dfrac{1}{3} \times \pi \times 7.5^2 \times 19$

Volume of upper cone:

$V_u = \dfrac{1}{3} \times \pi \times 3.5^2 \times 8$

Volume of frustum:

$V_f = \dfrac{1}{3}\pi(7.5^2)(19) - \dfrac{1}{3}\pi(3.5^2)(8)$

3 0

3 years ago

Read 2 more answers

3. Tim and Juan are both animal lovers. Tim owns 2 cats, 3 dogs, 1 Guinea pig and 3 hamsters and represents this mathematically

LenaWriter [7]

Answer:

Juan- 1c+6d+5g

Together- 3c+9d+6g+3h

Step-by-step explanation:

Add their pets together

7 0

2 years ago