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anzhelika [568]
2 years ago
5

I need help with this i need u to help ne wit the number line

Mathematics
1 answer:
kupik [55]2 years ago
4 0
Word the problem so it helps you with the double number line like this:
Question:
If 1/6 mile of a fence is completed each hour how long will it be in 4 hours?

Then use the double line:

1/6-----miles(1/6*4)------X  Length  X=1/6*4
  I                                                    X= 1/6*4/1
  I                                                    X= 4/6 ≈2/3 miles 
 1-------hours--------------4  Time
Here is a video that might help with your homework a lot :) Good luck
https://www.youtube.com/watch?v=89VhAPhvNcA

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: A new bear population that begins with 150 bears in 2000 decreases at a rate of 20% per year.
d1i1m1o1n [39]

Answer:

2 bears in 2020.

Step-by-step explanation:

We have been given that a new bear population that begins with 150 bears in 2000 decreases at a rate of 20% per year.

We will use exponential decay formula to solve our given problem as:

y=a\cdot (1-r)^x, where,

y = Final quantity,

a = Initial value,

r = Decay rate in decimal form,

x = Time

20\%=\frac{20}{100}=0.20    

Upon substituting our given values in above formula, we will get:

y=150(1-0.20)^x

y=150(0.80)^x, where x corresponds to year 2000.

To find the population in 2020, we will substitute x=20 in our equation as:

y=150(0.80)^{20}

y=150(0.011529215046)

y=1.7293822569    

y\approx 2

Therefore, 2 bears are there predicted to be in 2020.

Since population is decreasing so population is best described as exponential decay.

8 0
3 years ago
According to these three facts, which statements are true?
Norma-Jean [14]
Sinuar and radius of 16 are true
8 0
3 years ago
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HELP PLSSSS I DONT UNDERSTAND WALLAH
Harlamova29_29 [7]

Answer:

7.2

Step-by-step explanation:

Distance between (4, 3) and (8, 9):

d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}

d = \sqrt{(8 - 4)^2 + (9 - 3)^2}

d = \sqrt{(4)^2 + (6)^2}

d = \sqrt{16 + 36}

d = \sqrt{52} = 7.2 (nearest tenth)

7 0
3 years ago
What does x = and why and how does that number come out
dedylja [7]

More algebra pretending to be geometry.  These questions should be banished from the planet.

A transversal across parallel lines generates the usual congruent and supplementary angles; here our pair are supplementary, adding to 180 degrees.  Geometry done.

(2x + 12.8) + 117.6 = 180

2x = 180 - (12.8 + 117.6) = 49.6

x = 49.6/2 = 24.8

Answer: 24.8

7 0
2 years ago
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For my math assessment, I need to apply trigonometry in a real life situation and explain about it. I've been thinking of 1. tri
AleksandrR [38]

Answer:

I know you said relevant so i have two answers.

1) (not so relevant).

You could use it to show how NASA and astronomers use it to calculate the distance between planets and connect it to building rockets and all that cool stuff.

2) (relevant).

For the one about music, you could connect it to sound engineers and use sine and cosine graphs to calculate wavelengths

8 0
1 year ago
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