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jonny [76]
2 years ago
15

If two lines are perpendicular , what do we know about their slopes ?

Mathematics
1 answer:
vovangra [49]2 years ago
6 0

Answer:

If two lines are perpendicular and neither one is vertical, then one of the lines has a positive slope, and the other has a negative slope. Hope this helps.

Step-by-step explanation:

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Geometry help please i really appreciate it
lora16 [44]
I am not quite sure on the first one but I am thinking it's Rotational and reflectional.

The second one is 240°

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4 0
3 years ago
Find each measurement to the nearest tenth use 3.14 for pi. r=_ ; d=_ ; C= 17.8 m
jarptica [38.1K]
C = pi×diameter  OR C = 2pi×radius
So...
17.8 = pi×diameter    17.8 = 2pi×radius
17.8/pi = diameter      17.8/2pi = radius
<span>5.66591597407 = diameter or d
</span><span>2.83295798704 = radius or r</span>
8 0
3 years ago
PLEASE HELP ME ASAP<br> A.20<br> B.22<br> C.7<br> D.11<br> Amosc pimp.chriz
Lady bird [3.3K]
It’s 11! The answer is D
4 0
2 years ago
Aleksandra started studying how the number of branches in her tree grows over time. Every 1.5 years, the number of branches incr
vova2212 [387]

Answer:

N = 52 * (9/7)^(t/1.5)

Step-by-step explanation:

This problem can be modelated as an exponencial problem, using the formula:

N = Po * (1+r)^(t/1.5)

Where P is the final value, Po is the inicial value, r is the rate and t is the amount of time.

In our case, we have that N is the final number of branches after t years, Po = 52 branches, r = 2/7 and t is the number of years since the beginning (in the formula we divide by 1.5 because the rate is defined for 1.5 years)

Then, we have that:

N = 52 * (1 + 2/7)^(t/1.5)

N = 52 * (9/7)^(t/1.5)

7 0
3 years ago
A ball of radius 17 has a round hole of radius 7 drilled through its center. Find the volume of the resulting solid.
Ahat [919]

Answer:

<h3>19,133.067</h3>

Step-by-step explanation:

Volume of the ball (spherical in nature) Vb = 4/3πrb³

Volume of the hole Vh = 4/3πrh³

rb is the radius of the ball

rh is the radius of the hole

If a ball of radius 17 has a round hole of radius 7 drilled through its center, the volume of the resulting solid will be expressed as:

V = Vb - Vh

V = 4/3πrb³ - 4/3πrh³

factor out the like terms;

V = 4/3π(rb³-rh³)

Given

rb = 17

rh = 7

V = 4/3π(17³-7³)

V = 4/3π(4913-343)

V = 4/3π(4570)

V = (4π*4570)/3

V = 57,399.2/3

V = 19,133.067

Hence the volume of the resulting solid is 19,133.067

6 0
2 years ago
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