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anygoal [31]
3 years ago
13

Julia ride her horse 12 miles in 45 minutes. What is her average speed in mil/hour?

Mathematics
2 answers:
vfiekz [6]3 years ago
8 0

Answer

16miles/h

Step-by-step explanation:

45minutes is 3/4 of an hour (60 minutes) so multiply 12 and 3/4 (75%) to get 4miles. 4 miles is only 1/4 of her hour so just multiply 4 by 4 to get 16miles.

AnnZ [28]3 years ago
4 0

Answer:

16 miles/hour

Step-by-step explanation:

We need to convert minutes to hours.  1 hours = 60 minutes

45 minutes * 1 hour/60 minutes = 45/60 hours = 3/4 hours = .75 hours

12 miles/45 minutes = 12 miles /.75 hours = 16 miles/hour

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Volume of the cylinder with diameter of 8mm and height of 8mm
alexdok [17]

Answer:

V = 402.12385mm

Step-by-step explanation:

When the diameter is 8mm, the radius is 4mm.

V = (π(4^2))8

V = (16π)8

V = (50.2654)8

V = 402.12385

V ≈ 402, 402.1, 402.12, 402.124

4 0
2 years ago
Determine whether each statement is always, sometimes, or never true. Explain your reasoning. (By the way, this has to do with a
Norma-Jean [14]
A).  |x| = |-x|
This is always true.
The definition of 'absolute' value is 'size of the number without its sign'.
That's what this expression says.

b).  |x| = -|x|
This is never true, because an absolute value is never negative.
This one would true if x=0 .  So maybe some people might say
it's sometimes true, but that doesn't feel right to me.  I say never.

c).  |-x| = -|x|
This looks to me like exactly the same situation as (b),
and I would say all the same things about it.
6 0
3 years ago
Read 2 more answers
I don’t get this please solve it please
exis [7]

Answer:

g=15.04

Step-by-step explanation:

g=4.7×3.2=15.04

7 0
2 years ago
Read 2 more answers
A study investigated about 3000 meals ordered from Chipotle restaurants using the online site Grubhub. Researchers calculated th
Allisa [31]

Answer:

21.186%

Step-by-step explanation:

z = (x-μ)/σ,

where

x is the raw score = 2400mg

μ is the population mean = 2000mg

σ is the population standard deviation = 500mg

z = 2400 - 2000/500

z = 0.8

Probability value from Z-Table:

P(x<2400) = 0.78814

P(x>2400) = 1 - P(x<2400) = 0.21186

Converting to percentage:

0.21186 × 100

= 21.186%

Therefore, the percent of the meals

ordered that exceeded the recommended daily allowance of 2400 mg of sodium is 21.186%

7 0
3 years ago
Jy is hiking glacier national park he now has hiked a total of 17 km and is 2 km short of being 1/2 of the way done with his hik
anastassius [24]

Jy has hiked 17km

He is 2km short of being half of the way done with hicking

Let the total distance he hiked be xkm

Then 1/2x = 17 + 2km

1/2x = 19km

x = 19 × 2 = 38km

The total distance he covered was 38km.

7 0
3 years ago
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