a athlete jumps 4 distances in a long jump challange. witch jump dose not round to 4.7 meters? 4.746?,4.680?,4.647?,4.733?.

Mathematics

1 answer:

olga nikolaevna [1]2 years ago

3 0

Answer:

4.647

Step-by-step explanation:

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25 points

Zielflug [23.3K]

Answer: The correct answer is: [B]:

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" $\frac{-3}{ x}$ " .

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Step-by-step explanation:

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Note: A number; "divided by a variable" ; is Not a "polynomial" .

Answer choice: [B]: " $\frac{-3}{ x}$ " ;

is a "number; divided by a "variable" ; and as such, is Not a "polynomial".

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3 years ago

Han buys an item with a normal price of $15.

KiRa [710]

Answer:

$1.50

Step-by-step explanation:

15*.10=1.50

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3 years ago

Two children own two-way radios that have a maximum range of 3 miles. One leaves a certain point at 1:00 P.M., walking due north

Grace [21]

Answer:

The answer is 21 minutes

Step-by-step explanation:

We use the equation Xf = Xo + vt

1) At 1:00 PM, child one leaves the starting point heading north at a constant velocity of 6 mi/hr or .1 [mi/min] (divide by 60 to convert from [mi/hr] to [mi/min])

2) He walks for 15 minutes before kid 2 starts walking. In 15 minutes he is able to cover 1.5 [mi]

$x_{1f1} =x_{o} +v_{1} t_{1} \\x_{1f1} =0+.1(15)\\x_{1f1} =1.5 [mi]$

3) Now, child 2 starts walking and we know that when the range reaches 3 miles, they won´t be able to communicate. So the sum of the final position of child 1 and child 2 must be 3[mi]