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serg [7]
4 years ago
6

Which of the following graphs represents a function? Graph A (parabola) Graph B (hyperbola) Graph C (circle) Graph D (horizontal

parabola)
Mathematics
1 answer:
ale4655 [162]4 years ago
3 0
Graph A is a function. A function is defined as a graph that has one x for every y value. To verify this, you can use the vertical line test. When a vertical line is held to any portion of the graph, it should intersect the graph only once. This is only true for a parabola, proving it is the function.
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The time, t, required to drive to a certain distance varies inversely with the speed, r. if it takes 12 hours to drive the dista
kap26 [50]
T = k/R  where k is the constant of variation, T=time and R=speed.
Plug in the given values:-
12 = k/60
k = 12*60 = 720
So the equation of variation is T = 720/R

At 85 mph we have

T = 720 / 85 =  8.47 hours (answer)

8 0
3 years ago
Solve 25/75+ 25/125=
iragen [17]
0.476 is the answer to this question.
5 0
3 years ago
Read 2 more answers
14. in the figure at the right, ∠2 and ∠5 are_____ A. complementary angles B. linear pair C. supplementary angles D. vertical an
mario62 [17]
<h3>Answer: Choice D) Vertical Angles</h3>

Reason:

When two lines cross to form an X shape, the opposite pairs of angles are known as vertical angles. They are always congruent to one another.

They do not have to be vertically aligned (meaning the angles could be sitting side by side). Example: In problem 15, angle 1 and angle 3 are vertical angles that are congruent.

8 0
2 years ago
How to combine these like terms
Arlecino [84]
It is being distributed ( ex: 5(1), bring the 5 over and multiply: 5). Since -1 is the term that is distributing for both 8m and 32, multiplying both would equal= -8m (8m x -1, + x - = negative), +32 (notice the positive, - x - = positive). In conclusion, this would be -8m+32.
7 0
4 years ago
Suppose the time to process a loan application follows a uniform distribution over the range of 8 to 13 days. What is the probab
Arlecino [84]

Answer: 0.2

Step-by-step explanation:

We know that , the probability density function for uniform distribution is given buy :-

f(x)=\dfrac{1}{b-a}, where x is uniformly distributed in interval [a,b].

Given : The time to process a loan application follows a uniform distribution over the range of 8 to 13 days.

Let x denotes the time to process a loan application.

So the probability distribution function of x for interval[8,13] will be :-

f(x)=\dfrac{1}{13-8}=\dfrac{1}{5}

Now , the probability that a randomly selected loan application takes longer than 12 days to process will be :-

\int^{13}_{12}\ f(x)\ dx\\\\=\int^{13}_{12}\dfrac{1}{5}\ dx\\\\=\dfrac{1}{5}[x]^{13}_{12}\\\\=\dfrac{1}{5}(13-12)=\dfrac{1}{5}=0.2

Hence, the probability that a randomly selected loan application takes longer than 12 days to process = 0.2

8 0
3 years ago
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