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Andru [333]
3 years ago
10

It took Everly 55 minutes to run a 10-kilometer race last weekend. If you know that 1 kilometer equals 0.621 mile, how many minu

tes did it take Everly to run 1 mile during the race? Round your answer to the nearest hundredth.
A; 3.41 min
B: 5.50 min
C: 6.21 min
D: 8.86 min
Mathematics
1 answer:
Firlakuza [10]3 years ago
7 0
I'm Pretty Sure It Is C:6.21 Mins
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Tamika has a hard rubber ball whose circumference measures 13 inches. she wants to box it for a gift but can only find cube-shap
Ostrovityanka [42]
The rubber ball, in this case, can be considered a circle with a circumference of 13 inches. So, we can find the diameter of the rubber ball using the formula C=\pi d or d=\frac{C}{\pi }. That is 
    d=\frac{C}{\pi }=\frac{13\:inches}{\pi }=\frac{13}{\pi }=4.14\:inches

Therefore, the diameter is greater than 4 inches and less than 5 inches. That means the smallest box that the ball will fit into with the top on is the 5 inches box. 


     
3 0
3 years ago
What is the inverse of the function y=3x+4
almond37 [142]
f^{-1} (x)=- \frac{4}{3} + \frac{x}{3}
6 0
3 years ago
If u(x) = x^5 - x^4 + x^2 and v (x) = -x^2 which expression is equivalent to ( u/ v) (x)
yawa3891 [41]

Answer:

(u/v)(x)=-x^{3}+x^{2}-1

Step-by-step explanation:

You have the following functions:

u(x)=x^{5}-x^{4}+x^{2}\\v(x)=-x^{2}

 Therefore (u/v)(x) indicates that you must divide both functions, as you can see below:

(u/v)(x)=\frac{x^{5}-x^{4}+x^{2}}{-x^{2}}

Simplify it. Therefore, you obtain:

(u/v)(x)=\frac{x^{5}-x^{4}+x^{2}}{-x^{2}}\\\\(u/v)(x)=-x^{3}+x^{2}-1

3 0
3 years ago
Read 2 more answers
Which is equivalent to 80^1/4?
den301095 [7]
80^{\frac{1}{4}} =   \sqrt[4]{80} =  \sqrt[4]{2*2*2*2*5} = 4 \sqrt[4]{5}
3 0
3 years ago
What is the measure of
posledela
The triangle is isosceles so m∠A and m∠C are the same. 

So to find ∠B, we do 74 + 74 + b = 180

148 + b = 180
b = 180 - 148
b = 32

Answer B is the right choice. 
3 0
3 years ago
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