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Llana [10]
3 years ago
11

If 1 kilometer is 0.621 miles, how many miles will a person run during a 10 kilomefer race ?

Mathematics
2 answers:
pashok25 [27]3 years ago
8 0

You do 0.621 times 10 which equals your answer 6.21 miles.

ira [324]3 years ago
3 0
If 1km equals 0.621, and someone runs 10 km, they will run 6.21 miles because .621 x10 is 6.21. Hope this helps.
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Evaluate the expression: a(b – c) if a = -8, b = 12, and c = 4
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A(b-c)
First substitute values
-8(12+4)=
Next, solve using ordering of PEMDAS
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3 years ago
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Write the cubic polynomial function f(x)in expanded form with zeros −6,−5,and −1, given that f(0)=60
RSB [31]

Answer:

f(x)=2x^{3}+24x^{2}+82x+60

Step-by-step explanation:

we know that

The roots of the polynomial are the values of x when the value of the polynomial f(x) is equal to zero

The roots of the polynomial function are

x=-6 -----> (x+6)=0

x=-5 -----> (x+5)=0

x=-1 -----> (x+1)=0

The equation of the cubic polynomial is

f(x)=a(x+6)(x+5)(x+1)

where

a is the leading coefficient

Remember that

f(0)=60

That means ------> For x=0 the value of f(x) is equal to 60

substitute the value of x and the value of y in the function and solve for a

60=a(0+6)(0+5)(0+1)

60=a(6)(5)(1)

60=30a

a=2

so

f(x)=2(x+6)(x+5)(x+1)

Applying the distributive property

Convert to expanded form                  

f(x)=2(x+6)(x+5)(x+1)\\\\f(x)=2(x+6)(x^{2}+x+5x+5)\\\\f(x)=2(x+6)(x^{2}+6x+5)\\\\f(x)=2(x^{3}+6x^{2}+5x+6x^{2}+36x+30)\\\\f(x)=2x^{3}+24x^{2}+82x+60

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4 years ago
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Step-by-step explanation:

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3 0
3 years ago
According to the Bureau of Labor and Statistics in 2014, the average salary of all female workers is $37,596. The average salary
Llana [10]

Answer:

The average salary of all workers could be any number between $37,596 and $45,500.

Step-by-step explanation:

It is given that according to the Bureau of Labor and Statistics in 2014,

Average salary of all female workers = $37,596

Average salary of all male workers = $45,500

In given problem the options are missing.

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Therefore. the average salary of all workers could be any number between $37,596 and $45,500.

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