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OleMash [197]
3 years ago
15

Which of the following is true?

Mathematics
1 answer:
andrew11 [14]3 years ago
3 0
The third one is right
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How many different ways can the letters of “Knitting” be arranged
antiseptic1488 [7]

There are actually 5040 ways of arranging the letter knitting.

3 0
2 years ago
A cone and a cylinder have congruent height and base bases. The volume of the cone is 18m squared. What's the volume of the cyli
zzz [600]
Short answer 3 times as much = 54 m^3 <<<<< answer

The volumes are krelated by k So solve for k

Volume of Cylinder = k Volume of the cone.
pi r^2 h = k(1/3 pi r^2 h)  Since you know that r is the same in both and so is h they divide out.
divide by h
pi r^2  = k (1/3 pi r^2 Divide by pi
r^2 = k (1/3 r^2 ) Divide by r^2
1 = k (1/3) multiply by 3
3 = k

The volume will be 3 times as much.as the cone.
3 * 18 = volume of cylinder.
54 <<<< volume of cylinder.


8 0
3 years ago
R=8cm find the unknown length for a circle with the given dimension
wel

Use this and put in 8 for r C=2 \pi r

26.24

4 0
4 years ago
Find the new amount after the change:<br> 140 pounds increased by 95%
katen-ka-za [31]
To increase by 95%, you add it to 100%

100% + 95 % = 195%

£140/ 100 = 1.40 (1%)
Multiply by 195

£1.40 x 195 = £273

The answer is £273
4 0
3 years ago
Tickets for a train cost $22 for adults and $10 for children. Josie paid $1,200 for a total of 72 tickets. How many adult ticket
ehidna [41]

Answer:

Josie bought 40 adult tickets and 32 children tickets.

Step-by-step explanation:

x+y=72

22x+10y=1200

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

x=72-y

22(72-y)+10y=1200

1584-22y+10y=1200

1584-12y=1200

12y=1584-1200

12y=384

y=384/12=32

x+32=72

x=72-32=40

x=40, y=32. (40, 32)

8 0
4 years ago
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