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My name is Ann [436]
3 years ago
10

Which algebraic expression represents this phrase ? The product of 40 and the distance to the finish

Mathematics
1 answer:
erik [133]3 years ago
4 0
The answer to this question is 30
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Let e f (x) = x2 – 2x - 4 What is the average rate of change for the quadratic function from X = -1 tox to x = 42 Enter your ans
sammy [17]

Answer:

The average rate of change of the given function

A(x) =  1

Step-by-step explanation:

<u><em>Step(i):-</em></u>

Given function f(x) = x² - 2x -4

And given that x = a = -1 and  x=b = 4

The average rate of change of the given function

A(x) = \frac{f(b)-f(a)}{b-a}

<u><em>Step(ii):-</em></u>

f(x) = x² - 2x -4

f(-1) = (-1)² - 2(-1) -4 = 1+2-4 = -1

f(4) = 4² -2(4) -4 = 16 -12 = 4

The average rate of change of the given function

A(x) = \frac{f(b)-f(a)}{b-a}

A(x) = \frac{4-(-1)}{4-(-1)} = \frac{5}{5} = 1

<u><em>final answer:-</em></u>

The average rate of change of the given function

A(x) =  1

5 0
3 years ago
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Please help!<br><br> 7.5 in = ________ cm
Naya [18.7K]
The answer is 18 cm because 2.4 cm is in 1 inch. you must multiply 7.5 by 2.4 and get 18
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3 years ago
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Help please <br> I need this today
Katen [24]
Triangles a are similar because they have the same degrees

And Triangles d are similar because they are the same shape
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3 years ago
PLZZ HELP <br> 2/3 divided by 5
melamori03 [73]

Answer:

2/15

Step-by-step explanation:

2/3 divided 5 is really just:

2/3*1/5

that is just 2/15!

7 0
3 years ago
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Claire can run 100 meters in 17 seconds. What is her speed in meters per second?
Olegator [25]
100/17 = 5.88 meters per second
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