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REY [17]
3 years ago
7

Why is a ray a defined term

Mathematics
1 answer:
castortr0y [4]3 years ago
3 0
Because it has no width or depth.
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A report by the US Geological Survey indicates that glaciers in Glacier National Park, Montana, are shrinking. Recent estimates
postnew [5]

Answer

a) C

b) B

c) C, E

d) 15.5

e) 0.7

f) 67.7

Step-by-step explanation

a) A linear equation can be written as y=mx+c where m is the slope and c is the intercept on the y-axis. The slope describes how y changes when x changes. A negative value means the it is a decreasing change. In our case, y is A and x is t. Thus, the slope of the equation is m=-0.062. This means that the area of glacier is decreasing by 0.062 \text{km}{}^2 = 62000 \text{m}{}^2 every year since 2000.

b) The A-intercept (= 16.2 \text{km}{}^2) represents the area covered when t=0. But t=0 starting from year 2000. This intercept then represents the area covered by glacier in the year 2000. Therefore, the area covered by glacier in 2000 was 16.2 \text{km}{}^2.

c) A=f(t) means the area covered after year 2000. Setting it to 12 means the area covered after t years is 12 \text{km}{}^2). t is therefore the number of years since 2000 that the total area covered will be 12 \text{km}{}^2).

d) f(12)=16.2−0.062\times12 =16.2-0.744 = =15.456 15.5 \text{km}{}^2 to 1 decimal place.

e) The term involving t represents the disappearing area. In 12 years, the disappeared area is 0.062\times12=0.744 =0.7 \text{km}{}^2 to 1 decimal place.

f) f(t)=16.2−0.062t =12

0.062t = 16.2-12 = 4.2

t = \dfrac{4.2}{0.062}=67.7419\ldots =67.7 years to 1 decimal place.

8 0
3 years ago
Is 6.3 > 6.04 reasonable yes or no Explain
Brums [2.3K]

Answer:

Yes

Step-by-step explanation:

By rounding to the 10ths place, we can easily see that 6.3 is greater than 6.04. 6.3 is already rounded to the 10ths place, but 6.04 rounded to the 10ths place is 6.0.

6.3 is clearly more than 6.0, therefore 6.3 is greater than 6.04.

3 0
2 years ago
How is the product of two and -5 shown on a number line
tatuchka [14]
The correct answer is D
3 0
3 years ago
Read 2 more answers
What is the length of the diagonal, ddd, of the rectangular prism shown below?
wel

Answer:

7

Step-by-step explanation:

Its 7 because khan academy and i know it

3 0
3 years ago
Read 2 more answers
What is the largest three-digit number that is a multiple of both $24$ and $30$
irina [24]

We are given two numbers $24 and $30.

We need to find the largest three-digit number that is a multiple of both $24 and $30.

So, we need to find the largest common multiple of 24 and 30.

<em>In order to find the largest common multiple, we need to multiply both numbers.</em>

If we multiply 24 and 30, we would get

24 × 30 = 720.

Therefore, the largest three-digit number that is a multiple of both $24 and $30 is 720.



4 0
3 years ago
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