How many fractions are equivalent to 4/5 Explain

Answers

Answer 1

Answer: $(4)/(5)= (4\cdot2)/(5\cdot2) = (8)/(10) \n \n (4)/(5)= (4\cdot7)/(5\cdot7) = (28)/(35) \n \n (4)/(5)= (4\cdot10)/(5\cdot10) = (40)/(50) \n \n (4)/(5)= (4\cdot25)/(5\cdot25) = (100)/(125) \n \n (4)/(5)= (4\cdot400)/(5\cdot400) = (1600)/(2000) \n \n (4)/(5)= (4\cdot500)/(5\cdot500) = (2000)/(2500)\ ...$

Answer 2

Answer:

Answer:

An infinite amount

Step-by-step explanation:

fractions can be multiplied/divided by all numbers and still be equivalent as long as you multiply/divide the numerator AND the denominator by the same number.

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A car painting company has determined that the painting time of cars is uniformly distributed between 25 and 105 minutes. What is the probability that it will take between 40 and 65 minutes for that company to paint a car

Answers

Answer:

$P=(5)/(16)$

Step-by-step explanation:

For a uniform distribution we have to:

$P (X\leq x) =(x-a)/(b-a)$ for x∈ (a, b)

$P (X\leq x) =0}$ for $x\leq a$

$P (X\leq x) =1}$ for $x\geq b$

In this case we have to:

a = 25 min and b = 105 min

We want to find:

$P (40 \leq X \leq 65)$

Then

$P (x_1 \leq X \leq x_2) = P(X \leq x_2) - P(X \leq x_1)$

$P (x_1 \leq X \leq x_2)= (x_2 -x_1)/(b-a)$

In this case:

$x_2 = 65\n\nx_1=40$

Therefore:

$P (40 \leq X \leq 65)=(65 -40)/(105-25)$

$P (40 \leq X \leq 65)=(25)/(80)$

$P (40 \leq X \leq 65)=(5)/(16)$

PleASE HELP ME OUT HERE?!?

Answers

Answer:

I think this is the answer

Please help!! I literally can’t fail this

Answers

Answer:

It's negative 4

Step-by-step explanation:

12/-3 is -4

The area is 864 square feet, the width is 2/3 it's length . What is the length?

Answers

your answer is :

your welcome.

In the first year of ownership, a new car can lose 20% of its value. If a car lost $4200 of value in the first year, how much did the car originally cost?

Answers

$5250
$5250-20%=$4200

Answer:

5250

Step-by-step explanation:

What is the value of x?
23
35
58
93

Answers

Question: What is the value of x?

Answer: The answer would have to be x=93°.

Explanation: The answer would have to be x=93°, because x is obtuse and 93 is the only measure that measures an obtuse angle.

x is 35, if you follow the rules of alternate angles

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