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Lady_Fox [76]
3 years ago
12

Scott wants to swim across a river that is 400 meters wide. He begins swimming perpendicular to the shore

Mathematics
1 answer:
Georgia [21]3 years ago
6 0

He swam 300 meters away from his starting point

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A delivery truck traveled ¼ of its route in 2 hours How long does it take to complete one route?
stepladder [879]

Answer:

8 hours

Step-by-step explanation:

1/4 = 2h

2h times 4 = 8h

8 0
3 years ago
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i am stuck on a question and i need help solving it so, this is my question what is 9n-12=3n if someone could help me i would ap
Mamont248 [21]

Answer:

The answer is n=1

Step-by-step explanation:

The steps are in the picture. Hope this helps :)

5 0
2 years ago
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Answer correctly and get brainliset
Klio2033 [76]
The answer is the mean is 8. The range is equal to the largest number, 10 minus the smallest number, 5. It equals 5, so d is wrong. The mean is all of the values added together, 80, divided by the number of values, 10. So, 8. The median is the middle which is between 7 and 8, so 7.5. Five has no dots.
6 0
3 years ago
**50 Points Possible** I NEED URGENT HELP <br>please provide a graph
Elina [12.6K]

Answer:

See below.

Step-by-step explanation:

1)

For Ben's social media post, we are told that it was initially shared to only 2 people. However, each of those shares it with 3 people. In other words, Ben's post triples every day. This means that the rate of growth is 3. Thus, Ben's post as an exponential function is:

f(x)=2(3)^x

The 2 represents the initial amount at day 0, and the 3 represents the rate at which the post grows each day.

2)

Similarly, Carter's post was originally sent to 10 people. However, each of the 10 shares it with two others. Therefore, it doubles each day. Thus, the rate is 2. So, Carter's exponential function is:

f(x)=10(2)^x

The 10 represents the initial amount while the 2 represents the rate.

3)

I've use Desmos to graph the functions. Refer to the picture attached. Red is Amber, blue is Ben, and green is Carter.

4)

To find out the number of shares each student's post will receive on day 3 and day 10, simply plug the numbers into the functions. Therefore:

For Amber:

Day 3:

f(3)=3(4)^3=192

Day 10:

f(10)=3(4)^{10}=3,145,728

For Ben:

Day 3:

f(3)=2(3)^3=54

Day 10:

f(10)=2(3)^{10}=118,098

And for Carter:

Day 3:

f(3)=10(2)^3=80

Day 10:

f(10)=10(2)^{10}=10,240

5)

Amber's new graph of:

f(x)=3(4)^x+45

will be a shifted version of her original graph. The new graph will be shifted upwards by 45 units. However, since the 45 is not affected by the x in any way, the change will be minuscule. For instance, her number of shares on day 10 of the old graph is 3,145,728. Even with the additional 45, it will just be: 3,145,773. With enough days, the additional number becomes trivial.

6)

On the 10th day, Amber's post was shared almost 3 million times, while Ben's was shared "only" 118,098 times and Carter's with 10,240. Undoubtedly, Amber's post was the fastest.

7)

If you want to most shares as possible, choose Amber with fewer friends initially but more shares. This is because the exponential potential of a number even just a bit higher is insane. For instance, 3^10 (Ben's rate at 10th day) is only 59,049 while Amber's rate will be 4^10 which is 1,048,576. Amber's number is almost 18 times higher than Ben's. Even if Ben's initial number was say 1,000 or even 1,000,000, Amber would catch up rather quickly. Therefore, the rate is the quintessential part of an exponential growth function.

5 0
3 years ago
Y-6=4(x+5) what are the Y and X intercept
Misha Larkins [42]
Hello.

<span>Reorder the terms: -6 + y = 4(x + 5)

  Reorder the terms: -6 + y = 4(5 + x) -6 + y = (5 * 4 + x * 4) -6 + y = (20 + 4x)

  Solving -6 + y = 20 + 4x Solving for variable 'y'.

 Move all terms containing y to the left, all other terms to the right.

 Add '6' to each side of the equation. -6 + 6 + y = 20 + 6 + 4x

 Combine like terms: -6 + 6 = 0 0 + y = 20 + 6 + 4x y = 20 + 6 + 4x

 Combine like terms: 20 + 6 = 26 y = 26 + 4x

 Simplifying y = 26 + 4x


</span>x-intercept: <span><span>(−<span>132</span>,0)</span><span>(-<span>132</span>,0)</span></span>y-intercept: <span>(0,26<span>)

Have a nice day</span></span>
4 0
3 years ago
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