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I am Lyosha [343]
2 years ago
14

1) The tape diagram represents the ratio of the time you spend reading to the timeyour friend spends reading. You read for 8 hou

rs. How many hours does yourfriend spend reading? *
Mathematics
1 answer:
oksano4ka [1.4K]2 years ago
4 0

Answer:

By a quick online search, i found two tape diagrams:

Step-by-step explanation:So you have one block, and your friend has two.

We know that you work for 3 hours, this means that your only block must represent 3 hours.

And all the blocks represent the same amount of time, then each one of the two blocks of your friend also represents 3 hours.

Then in total, he tutored for 3 hours + 3 hours = 6 hours.

14) You: -

    Friend: - - - - -

In this case, you still have only one block, but now your friend has 5.

Using the same reasoning as above, we can conclude that each block represents 3 hours, and your friend has 5 of them, this means that he tutored for:

5*3 hours = 15 hours

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Definition: An outcome in a probability experiment.
snow_tiger [21]

Answer: possible result of an experiment

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3 years ago
Read 2 more answers
Calculate the average rate of change of f(x) = x2 4 - 5 for 3 ≤ x ≤ 5. A) -2 B) - 4 3 C) 4 3 D) 2
mario62 [17]

Answer:

D)2

Step-by-step explanation:

ƒ(x)  = x²/4 - 5; 3 ≤ x ≤ 5

Calculate the values of f(3) and f(5)

f(3) = 3²/4 - 5 =    9/4 - 5 =  -2.75

f(5) = 5²/4 - 6 = 25/4 - 5  =   1.25

Calculate the average rate of change

Rate of change = (y₂ - y₁)/(x₂-x₁) = [1.25 -(-2.75)]/(5 - 3) = 4.00/2

= 2.00

The average rate of change is 2.00.

In the figure below, the red curve represents the function ƒ(x), while the black dashed line represents the average rate of change over the interval (3, 5).

The value of ƒ(x) increases by two units for every unit that x increases.

6 0
3 years ago
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