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blsea [12.9K]
3 years ago
15

(-4,r) (-8,3) m=5 Find r please!

Mathematics
1 answer:
viva [34]3 years ago
4 0

Answer:

r = 23

Step-by-step explanation:

m = (y2 - y1)/(x2 - x1)

5 = (3 - r)/(-8 - (-4))

5 = (3 - r)/(-8 + 4)

3 - r = 5 × -4

3 - r = -20

-r = -23

r = 23

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A cone has a diameter of 6 cm and a height that is 3 times the diameter. Using 3.14 for pi, which of the following can be used t
Zinaida [17]

Option A: 1/3(3.14)(3cm)^2(18cm) is the correct answer

Step-by-step explanation:

Given

Diameter of Cone = d = 6 cm

Radius will be:

r = d/2 = 6/2 = 3 cm

Height of cone = h = 3d = 18 cm

The volume of cone is given by:

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

Putting the values

V = \frac{1}{3} (3.14)(3)^2(18)

Hence,

Option A: 1/3(3.14)(3cm)^2(18cm) is the correct answer

Keywords: Volume, cone

Learn more about volume at:

  • brainly.com/question/11007026
  • brainly.com/question/11207748

#LearnwithBrainly

4 0
3 years ago
559 tickets were sold 59 more student tickets were sold than adult tickets how many adult tickets were sold
marusya05 [52]
Let s = number of student tickets and a = number of adult tichets;
We have the equation: s + a = 559 and s = 59 + a;
Then, we solve the equation: 59 + a + a = 559;
59 + 2a = 559;
2a = 500;
a = 500/2;
a = 250;
s = 59 + 250;
s = 309;
7 0
3 years ago
3(m - n + 2) + 6 - m​
julia-pushkina [17]

Step-by-step explanation:

8 0
2 years ago
HEEEELPP PLEAAAASEEEEEE
valentina_108 [34]
Y= 1/2x+7

-2           6
-1            6.5
0             7
1              7.5
2              8

I think the equation is linear.

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3 0
3 years ago
(11) Geometry Help pls
Mazyrski [523]
Answer: There are 10 sides

---------------------------------------------

x = measure of each interior angle
y = measure of each exterior angle

We know that x = 4y as "each interior angle is four times the measure of each exterior angle"

The interior and exterior adjacent angles are supplementary
x+y = 180
4y+y = 180
5y = 180
5y/5 = 180/5
y = 36

If y = 36, then
n = 360/y
n = 360/36
n = 10

7 0
3 years ago
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