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2 years ago

#17. The height, H metres, of a certain species of Fir

Mathematics

1 answer:

olya-2409 [2.1K]2 years ago

7 0

Answer:

The approximated height of the tree is of 112 meters.

Step-by-step explanation:

The height of a tree with a base diameter of d meters is approximated by the following formula:

$h = 35d$

In this question:

Base diameter of 3.2m, so $d = 3.2$ , and the height is in meters.

$h = 35d = 35(3.2) = 112$

The approximated height of the tree is of 112 meters.

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You estimate that there are 40 marbles in a jar. the actual amount is 34 marbles. find the percent error. round to the nearest t

zimovet [89]

The percentage error of the given estimation is <u>17.7%</u>.

The percentage error of any estimation is calculated as:

Percentage error = {(|Actual Value - Estimated Value|)/Actual Value}*100%.

In the question,

The estimated value is given to be 40 marbles.

The actual value is given to be 34 marbles.

We are asked to find the percentage error of this estimation.

We know that:

Percentage error = {(|Actual Value - Estimated Value|)/Actual Value}*100%.

Substituting the values, we get:

Percentage error = {(|34 - 40|)/34}*100%,

or, Percentage error = 6/34*100%,

or, Percentage error = 17.6470 % = 17.7% (Rounding to the nearest tenth, that is, up to one decimal place).

Thus, the percentage error of the given estimation is <u>17.7%</u>.

Learn more about percentage error at

brainly.com/question/21529578

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2 years ago

Which table shows a proportional relationship between x and y

Anettt [7]

Answer: A, and their proportional relationship is 5

Step-by-step explanation:

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3 years ago

Nth term to 4 1 -2 -5 -8

AURORKA [14]

4 - 3 = 1

1 - 3 = -2

-2 - 3 = -5

-5 - 3 = -8

It's the arithmetic sequence.

$a_n=a_1+(n-1)d$

$a_1=4,\ d=-3$

substitute

$a_n=4+(n-1)(-3)=4-3n+3=-3n+7$

Answer: $a_n=-3n+7$

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3 years ago

Max's trip home takes 3 2 32 minutes. What is the latest time he can leave to be home by a quarter before 5 5?

Phantasy [73]

Answer:

Latest time he can leave to be home by a quarter before 5 is 4:13

Step-by-step explanation:

Given Max's trip home takes 32 minutes. we have to find the time at which he can leave to be home by a quarter before 5.

quarter before 5 means 4:45

Max's takes 32 min to come to home so he has to leave 32 minutes before the given time.

Hence, latest time he can leave to be home by a quarter before 5 is 4:45-32 = 4:13

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3 years ago

Pani-rosa [81]

Answer:

Step-by-step explanation:

big windows 48

small windows 12

broken windnows9

unbroken windows= 48+12-9= 51

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3 years ago