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Andrei [34K]
3 years ago
8

An elephant can run 1/4 of a mile in 36 seconds. At this rate, which expression can be used to determine how fast an elephant ru

ns in miles per hour?
A) 36seconds/1/4 mile = 25 miles per hour

B) 1/4 mile/36 seconds=144 miles per hour

C) 1/4 mile/36 seconds= 25miles per hour

D) 36 seconds/1/4 mile= 144 miles per hour
Mathematics
1 answer:
nirvana33 [79]3 years ago
7 0

Answer:

an elephant can run 25 miles per hour

Step-by-step explanation:

60 minutes x 60 seconds = 3,600 seconds in an hour

3600 / 36 = 100

100 x .25 = 25 miles an hour

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Answer:

69 years

Step-by-step explanation:

Given that:

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Hence,

x + 2020 - (x + 25 + x + 55) + (2020 - x) = 58

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2 years ago
If g(x)=4x^2-16 we’re shifted 9 united to the right and 1 down, what would the new equation be?
Inessa05 [86]

Shown in the graph

<h2>Explanation:</h2>

Using graph tools we can graph the function:

g(x)=4x^2-16

which is the red graph shown below. As you can see, this is a parabola. The rule for vertical and horizontal shifts is as follows:

Let \ c \ be \ a \ positive \ real \ number. \ \mathbf{Vertical \ and \ horizontal \ shifts} \\ in \ the \ graph \ of \ y=f(x) \ are \ represented \ as \ follows:

\bullet \ Vertical \ shift \ c \ units \ \mathbf{upward}: \\ h(x)=f(x)+c \\ \\ \bullet \ Vertical \ shift \ c \ units \ \mathbf{downward}: \\ h(x)=f(x)-c \\ \\ \bullet \ Horizontal \ shift \ c \ units \ to \ the \ right \ \mathbf{right}: \\ h(x)=f(x-c) \\ \\ \bullet \ Horizontal \ shift \ c \ units \ to \ the \ left \ \mathbf{left}: \\ h(x)=f(x+c)

Therefore, If we shift the red graph 9 units to the right and 1 down, our new function (let's call it h(x)) will be:

h(x)=4\left(x-9\right)^{2}-16-1 \\ \\ Simplifying: \\ \\ h(x)=4\left(x-9\right)^{2}-17

This graph is the blue graph below. Let's verify the transformation taking the vertex of the red graph:

(0,-16)

By translating the 9 units to the right and 1 down the vertex is also translated by the same rule, so:

New \ vertex: \\ \\ (0+9,-16-1) \\ \\ (9,-17)

<h2>Learn more:</h2>

Cubic function: brainly.com/question/13773618#

#LearnWithBrainly

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