Please help with these math questions part one
Please help with these math questions part one - 4

Answers

Answer 1
Answer: V of cone=(1/3)(pi)(h)(r^2)
V of cylinder=(pi)(h)(r^2)


1.
 r=6
h=10
v=(1/3)(pi)(10)(6^2)
v=1/3pi10(36)
v=1/3pi360
v=120pi
answer is B

2.
r=d/2
d=10
10/2=5=r
 V=(3.14)(5)(5^2)
V=3.14(125)
V=392.5
answer is B

3. 9.2, 3.7
V=(pi)(9.2)(3.7^2)
V=(pi)(9.2)(13.69)
V=(pi)(125.948)
input 125.948

4. v=(1/3)(pi)(12)(3^2)
V=(1/3)(pi)(12)(9)
V=(pi)(12)(3)
V=pi(36
v=36pi
v=36(3.14)
V=113.04

input 113.04


ANSERS
1.B
2.B
3. 129.948
4. 113.04

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the train traveled at an average speed of 48 miles per hour for the first 2 hours and at 60 miles an hour for the next hours. What was the train's average speed for the 6-hour trip? ( Average speed equals total miles divided by total time.)

Answers

Answer:  56 mph

Step-by-step explanation:

48 miles x 2 hours = 96 miles

60 miles x 4 hours =  240 miles

240 + 96 = 360 total miles

360 / 6 (hours) = 56 mph

6.3 x 10'-8 in standard notation

Answers

6.3 x 10'-8
63 - 8
55

55 is the answer

bag of potatoes weighs 5 pounds the bag is placed on a scale the unit on the scale is ounces what weight does the scale show

Answers

1 pound = 16 ounces
5 x 16 = 80
80 ounces
1 pound = 16 ounce
so
5×16=80
so it is 80 ounce

During their first round of gulf, Imani was 7 strokes over par and Peter was 8 strokes below par. Name the integers representing the situation.

Answers

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Could anybody help me slove it.before tomato 6/18/14

Answers

1). $30 per 4 yards . . . .$7.50 per yard

2). $9 per 4 cans . . . . . $2.25 per can

3). $11 per 6 pencils . . . $1.83 per pencil

4). 7 inches per 5 hours . . 1.4 inches per hour

5). $17 per 8 bars . . . . . $2.13 per bar

6). $20 per 5 tickets . . . . $4 per ticket 

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9). $22 per 9 batteries . . . . . $2.44 per battery

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Jamie has a board that is 8 feet long. He cuts the board into three equal pieces. How long is each piece

Answers

so picture a 8feet long board, and you basically cut it into 3 equal pieces as it says. so you should set it up as 8/3 which is 2.6666666. so you can round that up by 2.67 per each equal pieces.

Divide 8 into 3 pieces (this can be set out as 8/3) and you get 2.6666... Or you can round it up to 2.7.
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