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DochEvi [55]
3 years ago
9

Devon started a bike race at 11:30 a.m and he finished it at 3:17 p.m, How long did it take him to finish the race?

Mathematics
2 answers:
Kobotan [32]3 years ago
6 0
Three hours and 47 minutes 

Umnica [9.8K]3 years ago
4 0
4 hours and 13 minutes
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Let f(x) be a func. satisfying f(-x)=f(x) for all real x.if f"(x) exist, find its value.
OverLord2011 [107]

Answer:

f''(x)=f''(-x)

Step-by-step explanation:

A function satisfying the equation f(x)=f(-x) is said to be an even function. This denomination comes from the fact that the same relation is satisfied for functions of the form x^{n} with n even. Observe that if f is twice differentiable we can derivate using the chaing rule as follows:

f(x)=f(-x) implies f'(x)=f'(-x)\cdot (-1)=-f'(-x)

Applying the chain rule again we have:

f'(x)=-f'(-x) implies f''(x)=-f''(-x)\cdot (-1)=f''(-x)

So we have that function f''(x) is also an even function.

4 0
3 years ago
40×+4y=-24 what is the equation for y
aksik [14]

Answer:

y=-6-10 x

Step-by-step explanation:

make y the subject

8 0
2 years ago
Determine if the expression 9y5 – 10y3 is a polynomial or not. If it is a polynomial,
Stolb23 [73]

I am going to assume that the equation was supposed to be  9y^{5}-10y^{3}

Answer:

It is a polynomial. It is a binomial and it has a degree of 5.

Step-by-step explanation:

A polynomial is an expression consisting of variables and coefficients, that involves only the operations of addition, subtraction, multiplication, and non-negative integer exponentiation of variables so 9y^{5}-10y^{3} will be considered a polynomial.

A binomial is a polynomial with 2 terms.

The degree of a polynomial is the highest exponent in it which in this equation is 5.

8 0
3 years ago
I am wondering how the different triangles could be different, can anyone explain?
jekas [21]
I don’t really understand what your question is
4 0
3 years ago
Read 2 more answers
What is the End Behavior of the following Graph?
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Answer:

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2 years ago
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