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Lilit [14]
3 years ago
15

The table shows the total number of trees cut down by a logging company over a two-week period. What was the average rate of cha

nge between Day 9 and Day 14?

Mathematics
1 answer:
irina [24]3 years ago
7 0
Average rate of change = slope so lets get our y's and x's and plug them into y2-y1 / x2-x1. (14-9)/(308-195) and that equals 5/113
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Hlppppppppppppppppppppppppppp
Assoli18 [71]

Answer:

B just did the test

Step-by-step explanation:

8 0
3 years ago
Estimate the distance you can travel in 3 hours 20 minutes if you drive on average 49 miles per hour. Round your answer to the n
AlexFokin [52]

Answer:

163 miles

Step-by-step explanation:

set up a ratio based on 49 miles in 1 hour (60 minutes):

let 'd' = distance in 3hrs, 20 min

3hrs, 20 min = 200 minutes

49/60 = d/200

cross-multiply:

60d = 9800

d = 163.3

7 0
2 years ago
Mason and Laney run laps. The ratio of the number of laps Mason ran to the number Laney ran was 2:3.
3241004551 [841]

Using proportions, it is found that Mason ran 620 meters.

<h3>What is a proportion?</h3>

A proportion is a fraction of a total amount, and the measures are related using a rule of three.

Considering the ratio, the <em>rule of three</em> is given as follows:

2 laps for Mason - 3 laps for Laney.

n meters for Mason - 930 meters for Mason.

Applying cross multiplication:

3n = 930 x 2

n = 930 x 2/3

n = 620

Mason ran 620 meters.

More can be learned about proportions at brainly.com/question/24372153

#SPJ1

3 0
2 years ago
Is the square root of 20 a rational number or irrational number
KIM [24]
A number is rational if it can be written in form a/b where a and b are integers and b is not equal to 0
integers are like -4,-3,-2,-1,0,1,2,3,4, etc


so
√20=2√5 which is irrational because we can't write it as a fraciton with only integers

also a rational number multilied by an irratinonal number=irrtaional
we know that the square root of any prime number will be irrational and 5 is prime so 2 times √5=rational times irrational=irrational

√20 is irrational
7 0
3 years ago
Read 2 more answers
Integrate 2x/sqrt(1-x^2) dx from 0 to ½.
8_murik_8 [283]
A short-cut to accurately evaluate the given expression above is using a scientific calculator where one can include integrals and evaluate using limits. In this case, using a calculator, the answer is equal to 0.2679. One can verify this by integrating truly letting 1-x^2 as u and use its du to be substituted in the numerator
7 0
3 years ago
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