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Sonja [21]
3 years ago
14

What is the distance between the points (-6, 2) and (-4, 7)? Round to the nearest tenth if necessary.

Mathematics
1 answer:
klemol [59]3 years ago
7 0

Answer: distance is 5.4

Step-by-step explanation: distance between points (X1,y1) and (x2,y2) is

√(x2-X1)² + (y2-y1)² = √[(-4-(-6))² + (7-2)²] = √(2²+ 5²) =√29

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A cone with diameter 18 millimeters and height 11 millimeters.
bogdanovich [222]

Hello! :)

<h2>Answer:</h2>

All of the following statements about the cone are true.

2.) The radius is 9 mm.

3.) The base area is calculated using the radius.

4.) The volume is one-third the volume of a cylinder with the same height and diameter.

5.) The volume of the cone is 297 pi millimeters cubed.

<h2>Explanation:</h2>

The radius is always half the diameter, which is why the first choice is false, and the second choice is true.

When calculating the base, you need to use the radius. This means the third choice is true. The formula for the base area is πr^{2}

Volume of the cone:

V = \frac{1}{3}πr^{2}h

  = \frac{1}{3} × π × 9^{2} × 11

  = 933.052233 mm²

Volume of a cylinder with the same height and diameter:

V = πr^{2}h

  = π × 81 × 11

  = 891π

  = 2799.15669 mm²

2799.15669 ÷ 3 = 933.052233

Option four is true.

297 × π = 933.05223 This is true.

4 0
3 years ago
Read 2 more answers
Help me please I really need help
Troyanec [42]

Answer: Find the area of all figures and then add it together

Step-by-step explanation:

5 0
3 years ago
In a bag of small balls 1/4 are green, 1/8 are blue, 1/12 are yellow and the remaining 26 white. How many balls are blue?
Darina [25.2K]
6/ 24 green 
3/24  blue 
2/24 yellow 
total 11/24 
                
13/24 left which is white 
13 * 2 = 26 white 
blue 4 *2 = 8



8 0
3 years ago
What number increased by 7 equals two times the number?<br><br><br> 6<br> 7<br> 8<br> 9<br> 11
Julli [10]

Answer:

7

Step-by-step explanation:

7 plus 7 equals 14, which is two times 7

8 0
3 years ago
Read 2 more answers
Explain in words what mistake you made and how will correct it. in a group of 20 children,there were 8 girls. which is the ratio
Nataly_w [17]
Well first do 20 children minus 8 girls to find how many boys there are:
20-8=16
So there are 16 boys. Therefore we can write the ratio of girls to boys as:
8/16
Then we can simplify this ratio by dividing it by 8 to get:
1/2
So the answer is the ratio of girls to boys in the group in simplest form is 1/2.
7 0
3 years ago
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