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bazaltina [42]
3 years ago
6

What is the slope between (2,1); (5,9)

Mathematics
2 answers:
lukranit [14]3 years ago
8 0

Step-by-step explanation:

To find the slope, you divide the difference of the y-coordinates of 2 points on a line by the difference of the x-coordinates of those same 2 points.

Kay [80]3 years ago
5 0

Answer:

\frac{8}{3}

Step-by-step explanation:

(2, 1)

(5, 9)

Find the slope

____________

When finding slope, we always have to follow the formula :

\frac{y^2-y^1}{x^2-x^1}

The y in the fraction are the second number within the coordinate points, while the exponents are the second number from the second point and the first number from the first point. The same goes for x. Therefore substitute x and y with their corresponding values :

\frac{9-1}{5-2}

\frac{8}{3}

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Two villages are 14km apart in real life. How far apart would they be on A map scale with 1:25000
nydimaria [60]

Given:

Distance between two villages = 14 km

Map scale = 1:25000

To find:

The distance between the two villages on the map.

Solution:

Let the distance between the two villages on the map be x.

Map scale is 1:25000. So,

\dfrac{x}{14}=\dfrac{1}{25000}

x=\dfrac{1}{25000}\times 14

x=0.00056

Therefore, the two villages are 0.00056 km apart on map.

4 0
3 years ago
Elena and Noah used different methods to compute 0.23 x 1.5. Both calculations were correct. Analyze the 2 methods.
mafiozo [28]

Answer:

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Step-by-step explanation:

5 0
3 years ago
Two hikers start from the same point and hike in opposite directions around a lake whose shoreline is 17 mi long. One hiker walk
Ainat [17]
Let A be the speed of hiker A and B the speed of hiker B.
let's say that B is faster than A, so B=A+0.5
we know that they met after 2 hours, and the distance each walked after 2 hours is given by:
2A+2B=17

2A+2(A+0.5)=17

2A+2A+1=17

4A=16

A=4
One of the hikers travels at 4 miles per hour, the other one at 4.5 miles per hour
5 0
4 years ago
I have $100. I spent $40 on a prize and $45 on food. How do I figure out what % is purchase is from the original amount I had?
Paladinen [302]
You could say that you spent (purchased) 85% of the money that you had.

You spent a total of $85.

If you create the fraction 85/100, that is the same as saying you spent 85% of the money.
8 0
4 years ago
Simplify the expression (-2+4i)-(2+7i) I am not great at these--
e-lub [12.9K]

( - 2 + 4i) - (2 + 7i) \\ ( - 2 + 4i) + ( - 2 - 7i) \\  - 2 + ( - 2) =  - 4 \\ 4i + ( - 7i) =  - 3i \\  - 4 - 3i
8 0
3 years ago
Read 2 more answers
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