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zlopas [31]
3 years ago
12

Write an equation with the two points: (5,-2) and (3,4)

Mathematics
1 answer:
eimsori [14]3 years ago
3 0

Answer:

y=-3x-17

Step-by-step explanation:

To find out the m(slope) of the equation use the formula:

\frac{y_2-y_1}{x_2-x_1}.

Substitute the values:

\frac{4--2}{3-5}

Combine the values:

\frac{6}{-2}

Find the value of the fraction:

-3

M is -3.

The equation so far is y=-3x+b

To find the y intercept, substitute one pair of coordinates into the equation and solve for b:

y=-3x+b\\-2=3*5+b\\-2=15+b\\-17=b.

We see that b =-17 so the full equation would be:

y=-3x-17.

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Answer:

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Where, y = mx + c

Here, m = slope

c = y-intercept.

You usually get coordinates, and after solving, we get our result as an equation of the line.

Hope this helps!

Step-by-step explanation:

7 0
3 years ago
Suppose that a chemist is mixing 2 acid solutions, one of 15% concentration and the other of 25% concentration. which of the fol
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3 years ago
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Delaney would like to make a 5 lb nut mixture that is 60% peanuts and 40% almonds. She has several pounds of peanuts and several
Alchen [17]

Answer:

a) The system that models the situation is:

p + 0.2m = 3

p + m = 5

b) The solution of the system is:

m = 2.5

p = 2.5

Step-by-step explanat:

It is desired to obtain 5 pounds of a mixture containing 40% peanuts and 60% almonds.

It has a mixture of 20% peanuts and 80% almonds.

p: number of pounds of peanuts

m = amount of mixture

The equation that represents the amount of peanut and mixture that is needed is:

p + m = 5 pounds

m = 5-p (i)

The amount of peanut in total that the mixture should have is:

p + 0.2m = 0.6 (5)

p + 0.2m = 3 (ii)

a) The system that models the situation is:

p + 0.2m = 3

p + m = 5

Now we substitute (i) in (ii) and clear p.

p + 0.2 (5-p) = 3

p-0.2p = 2

p = 2.5 pounds

Now we find m

m = 5 - 2.5

m = 2.5 pounds

b) The solution of the system is:

m = 2.5

p = 2.5

7 0
3 years ago
How do i solve this pleasee
julia-pushkina [17]

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Bar graphs should be chosen only when they are divided into various categories.

Plot the data's in Histogram format like this (range to range):

7 0
2 years ago
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