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galben [10]
3 years ago
7

Which is an equation of the line containing the points (2,5) and (4,4) in standard form?

Mathematics
1 answer:
guapka [62]3 years ago
6 0
First, find the slope of the line thru these 2 pts:

         5-4
m = --------- = -1/2
         2 -4 

Use the slope-intercept formula y = mx + b:

5 = (-1/2)(2) + b.  Then the y-intercept is 5 + 1, or 6:  y = (-1/2)x + 6

Multiplying this entire result (3 terms) by 2 results in 2y = -x + 12, or

x + 2y = 12 (answer)
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Could I get help on some algebra? I need the explanation to know how to do it. +45 points
Fiesta28 [93]

Answer:

C

Step-by-step explanation:

A is right, D is right because they are on the outside and on different sides, B is actually right since they are on the inside and on different sides, so that leaves c, so this has to be the wrong one because they are not both interior since 5 is on the outside and 6 is inside even if they are both on the same side

6 0
3 years ago
Select all equations that are equivalent to 5x + 6/2= 3-(4x +12)​
Savatey [412]

Answer:

- 4/3

Step-by-step explanation:

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Solve x^2=18 where x is a real number
V125BC [204]

Answer:

x = ±3√2

or in decimal:

x = ±4.24

Step-by-step explanation:

x² = 18

x = ±√18

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6 0
3 years ago
Read 2 more answers
What is the length of side AC
natulia [17]

Answer:

7 Units.

Step-by-step explanation:

First of all, you could just count the units, but that's not really too effective. Otherwise, you could start from the coordinates of the "C" point, and see how it's at -Y = -5. Therefore, to get to the line separating the two points, you would have to subtract 5 from 5 to get to the line. Now, you look at point "A". It's Y coordinate is 2. Therefore, adding 5 and 2 together gives you 7 units.

6 0
3 years ago
The fence along the length of a ranch measures 4,450.5 meters and the fence along the width of a ranch measures 2,890 meters.
stiv31 [10]
Given:
Length = 4,450.5 meters
Width = 2,890 meters

1 kilometer = 1,000 meters

Length: 4,450.5 meters * 1km/1,000 meters = 4,450.5 km/1,000 = 4.4505km

Width: 2,890 meters * 1km/1,000 meters = 2,890 km/1,000 = 2.89 km

4.4505 km - 2.89 km = 1.5605 km

The length of the fence is 1.5605 km longer than the width of the fence.
4 0
3 years ago
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