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d1i1m1o1n [39]
3 years ago
10

Find the volume of the cylinder

Mathematics
1 answer:
erastovalidia [21]3 years ago
7 0

Answer:

100.5cm2

Step-by-step explanation:

v=pi(r)2(h)

v=3.14(2)2(8)

v=3.14(4)(8)

v=100.48

v=100.5cm2

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-5
Elanso [62]
The correct answer would be:
-5
-4
-3
-2
-1
0
1
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5
8 0
3 years ago
When factored completely, the expression 3x2 - 9x + 6 is equivalent to
Lunna [17]
Let's see what the options look like when we multiply the expressions in brackets:

(first, i multiply both parts of the second bracked by the first part of the first bracket, and then the same with the second part of the first bracket:
<span>(1) (3x - 3)(x - 2))

3x2 +6x -3x +6// this is not correct

(2) (3x + 3)(x - 2) </span>


3x2-6x+3x-6//this is not correct

(3)

3(x + 1)(x - 2)
3(x2-2x+x-2)//simplifying:
3(x2-x-2)//multiplying:
3x2-3x-6)
- so this is not correct either
(4) 3(x - 1)(x - 2)
3(x2-2x - x + 2)
3(x2-3x +2)
3x2-9x +6 - well, here is our winner!






8 0
3 years ago
Read 2 more answers
(**15 POINTS**)
bonufazy [111]

Answer:

0.6x = 87

Step-by-step explanation:

Hi, to answer this question we have to write en equation:

We have to multiply the variable x by the percentage given (60%) in decimal form (divided by 100). That expression must be equal to 87.

Mathematically speaking:

x (60/100) = 87

0.6x = 87

Feel free to ask for more if needed or if you did not understand something.

8 0
3 years ago
Use synthetic division to divide (x3 + 12x2 + 38x + 26) ÷ (x + 4)
KengaRu [80]
Divisor is -4
Use coefficients 1    12    38    26

Bring down 1 multiply by -4 and add to 12 =8
Multiply 8 by -4 and add to 38 = 6 
Multiply 6 by -4 and add to 26 = 2 which is the remainder

looks like     1    12    38    26
                          -4   -32   -24
                    ________________
                     1     8      6     R 2
so answer A of x squared + 8x + 6 +R2 is correct
5 0
3 years ago
Read 2 more answers
I WILL SELECT A BRAINIEST,LIKE AND GIVE 20 POINTS TO THE FIRST PERSON TO AWNSER MY QUESTIONS.
Cerrena [4.2K]
23.) 21 hrs at $ 11 per hr = (21 * 11) = 231....and u received 91% of ur wages...
       0.91 (231) = 210.21 
       fraction u got : 210.21 / 231 = 0.91 = 91/100 <== I am not 100% sure on 
       this. I might be making this harder then it looks....u r going to get 210.31 take home pay.....or 91% which in fraction form is 91/100

26B.  17/10 = 85/ x
          cross multiply
          17x = 850
          x = 850/17
          x = 50....50 liters of oil <==

26C. 12:9...added = 21

         12/21(4200) = 50400/21 = 2400 <== higher cost receives 2400
          9/21(4200) = 37800/21 = 1800


5 0
3 years ago
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