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zepelin [54]
3 years ago
11

At a recent winter Olympics USA short track speed to skater Apolo Ohno won a gold medal by skating about 12 m/s rounded to the n

earest hundred how many miles per hour is this
Mathematics
1 answer:
anastassius [24]3 years ago
8 0

Answer:

Apolo Ohno skated about 26.84 miles per hour

Step-by-step explanation:

Given:

Apolo Ohno won a gold medal by skating about 12 m/s

We need to find 12 m/s in miles per hour

1 hour consist of 3600 seconds

12 m/h = 12\times3600 =43200\ meter \ per \ hour

1 mile = 1609.344 meter

how many miles Ohno skated = 43200 meter per hour

By using Unitary Method we get

Miles Apolo Ohno Skated =\frac{43200}{1609.344}= 26.84323

Rounding to nearest hundred we get

Apolo Ohno Skated about 26.84 miles per hour

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The equations x+5x=16
and x+5x+25=16
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6 0
3 years ago
X-5y+3=3x-y+4<br> find x-int and y-int
Mekhanik [1.2K]

Answer: x-int: (-1/2,0)

y-int: (0,-1/4)

Step-by-step explanation:

x-5y+3=3x-y+4

x-int: x-5(0)+3=3x-0+4

        x+3=3x+4

         -2x=1

            x=-1/2 ==>(-1/2,0)

y-int: 0-5y+3=3(0)-y+4

        -5y+3=-y+4

               -1=4y

                y=-1/4 ==>(0,-1/4)

4 0
2 years ago
Ballpoint pens cost $1.50 a dozen for the first 200 dozen a store buys from a wholesaler and $1.25 a dozen for those bought in a
Ivenika [448]

Solution:

We are given that

Ballpoint pens cost $1.50 a dozen for the first 200 dozen a store buys from a wholesaler.

$1.25 a dozen for those bought in addition to the first 200 dozen.

we have been asked to find

If the store buys 250 dozen pens from the wholesaler, then what is the average cost of ballpoint pens per dozen.

Cost of first 200 dozens of pens=1.5*200=300dollars

Cost of 50 dozens of pens =50*1.25=62.5 dollars

Total cost of 250 dozens of pens=300+62.5=362.5dollars\\

Average cost per dozen=\frac{362.5}{250}= 1.45dollars

4 0
4 years ago
Rahmir bought 18 pieces of candy. he gave1/6 of the apples to each of his 5 friends.how many apples did each friend get?
kvasek [131]
1/6 of 18 is 3, so each friend got 3
3 0
4 years ago
Can someone help me solve the inequality-2x+4&gt;8 with the steps? Thanks
stellarik [79]

\huge\text{Hey there!}

\rm{-2x + 4 > 8}

\large\textsf{SUBTRACT  4 to BOTH SIDES}

\rm{-2x + 4 - 4 > 8 - 4}

\large\textsf{CANCEL puts 4 - 4 because that gives you 0}

\large\textsf{KEEP: 8 - 4 because that helps solve for the x-value}

\rm{8 - 4 = \boxed{\bf 4}}

\rm{NEW\  EQUATION: -2x > 4}

\large\textsf{DIVIDE -2 to BOTH SIDES}

\mathsf{\dfrac{-2}{-2}>\dfrac{4}{-2}}

\mathsf{CANCEL\  out: \dfrac{-2}{-2}\  because\  that\  gives\  you\  1}

\mathsf{KEEP: \dfrac{4}{-2} \ because \ it \ helps \you \ compare\  to \  the \ x-value }

\mathsf{\dfrac{4}{-2} = \boxed{\bf -2}}

\rm{\bold{x < -2 }}

\rm{It\ is \ an\  O PENED \ circle \  shaded \  to \ the \ left \ side \ of \ the \ number  \ line}

\boxed{\boxed{\large\textsf{Answer: } \mathsf{\bf x < -2}}}\huge\checkmark

\large\text{Good luck on your assignment and enjoy your day!}

~\frak{Amphitrite1040:)}

8 0
3 years ago
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