3 years ago

How long will it take pablo to bike 72 miles if he is biking at a speed of 8 mph

2 answers:

Natasha2012 [34]3 years ago

6 0

I would say 9 hours because if he is going a speed of 8 mph and he needs to go 72 miles, it would only take him 9 hours to get there since it’s Miles Per Hour.

Explanation:

72 divided by 8 is 9. So if Pablo is going 8 miles per hour and has 72 miles to bike, then it would take him 9 hours to do so. Hope this helped!

BartSMP [9]3 years ago

3 0

Think as seven (7) hours

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Mathematical phrase: 2x + 5 = 10<br><br> I need the english phrase

Svetllana [295]

Two x plus five equals ten

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2 years ago

Explain why x and 4x - 10 are factors of the expression x(4x - 10)3 rather than terms of the expression. What are the terms of t

andriy [413]

Solution :- Let p(x) be the polynomial such that

$p(x) = x(4x-10)^3\\\text{and let f(x) be another polynomial such that }\\f(x)=4x-10\\\text{To find , Put } f(x)=0\\\Rightarrow4x-10=0\\\Rightarrow4x=10\\\Rightarrow x=5/2\\\text{Now substituting value of x in p(x),we get}\\p(x)=\frac{5}{2} .(4(5/2)-10)^3\\\Rightarrow\frac{5}{2}.(10-10)^3=0\\\text{Similarly let g(x)=x ,we get x=0 by putting g(x)=0}\\\text{now f(x)=0 for x=0}\\\text{So by Factor theorem f(x) and g(x) are the factors of polynomial p(x)}\\$

$\text{Now} p(x) = x(4x-10)^3\\=64x^4-480x^3+1200x^2-1000x\\\text{so the terms of terms of } p(x) \text{are} 64x^4,-480x^3,1200x^2,-1000x\\\text{here, by using Factor theorem x is a factor of all the terms but 4x-10 is not. }$