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DedPeter [7]
2 years ago
5

Rachel rides her bike due east at 9 miles per hour. Amos rides his bicycle due north at 12 miles per hour. If they left from the

same point at the same time, how far apart will they be in 1 hour? Geometry and measurement :))) help please.
Mathematics
1 answer:
Svetach [21]2 years ago
5 0

They will be 15 miles apart after one hour if they left the same point at the same time.

<h3>How do we measure and calculate the distance in Geometry?</h3>

The distance between two points in geometry can be calculated by using the Pythagoras theorem.

Mathematically, the Pythagoras theorem can be expressed as:

\mathbf{d = \sqrt{x^2 +y^2}}

where;

  • x and y are opposite and adjacent sides respectively.

\mathbf{d = \sqrt{(9)^2 +(12)^2}}

\mathbf{d = \sqrt{81+144}}

\mathbf{d = \sqrt{225}}

d = 15 miles  

Therefore, we can conclude that they will be 15 miles apart after one hour if they left the same point at the same time.

Learn more about calculating the distance between two points here:

brainly.com/question/7243416

#SPJ1

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Solution: 4(x+3)

To check, distribute to see if it works.

4x+12

2.) 2(4r+7)
Find the GCF of 8r and 14
8r=2*2*2*r
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The greatest common factor is 2.                                                                 (There is only 1 two, so you would not multiply them.)
Then, put the rest of the factors as a sum. (Only the factors on the same line.)
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To check, distribute to see if it works.

8r-14

Do you get it now?

3.) 5(x+7)
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6.)  8(4x+3)
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4 0
3 years ago
Read 2 more answers
Need help. If u answer fast or if u are first i will give u brainliest
aksik [14]

Answer:

It is correct.

Step-by-step explanation:

8 0
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6 0
3 years ago
What is the slope of the line that passes through the points (-4,-2) and (-4,-22)? Write your answer in simplest form.​
Anuta_ua [19.1K]

Answer:

20x  - 4 = 0

Step-by-step explanation:

\frac{y - y1 }{y2 - y1}  =  \frac{x - x1}{x2 - x1}  \\ x1 =  - 4 \\ y1 =  - 2 \\ x2 =  - 4 \\ y2 =  - 22

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3 years ago
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Ostrovityanka [42]

Answer:

{f}^{ - 1} (x) = 3 {x}^{2}  - 3

Step-by-step explanation:

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Subtract 1 from both sides:

y = 3 {x}^{2}  - 3

Therefore the inverse is

{f}^{ - 1} (x) = 3 {x}^{2}  - 3

8 0
3 years ago
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