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MArishka [77]
3 years ago
7

If the radius of the cylinder is doubled does the volume of the cylinder double?

Mathematics
1 answer:
Anastaziya [24]3 years ago
6 0
The answer to your question is yes
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(I) x²-8x = -16<br>(ii) x²+2x+1 = 0<br>(iii) 4x²-24x-36=0<br>Solve please...........​
algol13

(I)

Given equation is x²-8x = -16

⇛ x²-8x+16 = 0

⇛ x²-4x-4x+16 = 0

⇛ x(x-4)-4(x-4) = 0

⇛ (x-4)(x-4) = 0

⇛ x-4 = 0 or x-4 = 0

⇛ x = 4 or x = 4

(ii)

Given equation is x²+2x+1 = 0

⇛ x²+x+x+1 = 0

⇛ x(x+1)+1(x+1) = 0

⇛ (x+1)(x+1) = 0

⇛ x+1 = 0 or x+1 = 0

⇛ x = -1 or x = -1

(iii)

Given equation is 4x²-24x-36 = 0

⇛ 4(x²-6x-9) = 0

⇛ x²-6x-9 = 0

⇛ x²-2(x)(3) = 9

On adding 3² both sides then

⇛ x²-2(3)x)+3² = 9+9

⇛ (x-3)² = 18

⇛ (x-3) = ±√18

⇛ x-3 = ±√(2×9)

⇛ x-3 = ±3√2

⇛ x = 3±3√2

⇛ x = 3+3√2 or 3-3√2

5 0
2 years ago
Does a negative plus a negative plus a negative plus a negative plus a negative equal a positive
ra1l [238]
No thats only if your multiplying it gets confusing like that
4 0
3 years ago
Read 2 more answers
Hikers spent the following amounts of time (in minutes) to complete a nature hike:48, 46, 52, 57, 58, 52, 61, 56.
Solnce55 [7]
For A for the mean just add them all up which would be which is 430 and divide by the number of numbers there is so 430 divided by 8 = 53.75 and the median order them from least to greatest and find the one in the middle which is 52 and 56 when there's two just add them and then divide it by 2 which is 54

Hope this helped :)
8 0
3 years ago
Read 2 more answers
I have attached the question IF ANSWERED WITHIN 10 MINUTES I WILL AWARD BRAINLIEST
Reil [10]
<3 +<4= 180
<3+25+52=180 from here <3=180-77=103
using this in first equation: 103+<4=180  <4=180-103=77
as you can see <4=77 which is the the sum of 25+52
8 0
3 years ago
Find x in the given figures. Thanks in advance! xD
docker41 [41]

Answer:

x=8 an they are at the exact opposite side

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
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