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jekas [21]
2 years ago
8

Explain in your own words how to do the following: "Write an equation in point-slope form of the like through the given points.

(1, 4) and (2, 7)"
Mathematics
2 answers:
vitfil [10]2 years ago
8 0

Answer:

y-4 = 3(x-1)

Step-by-step explanation:

First you will need to find the slope of the two points.

You can do this by using the slope formula:

m=(y_{2}-y_{1} ) /(x_{2}-x_{1})

Which would equal :

\frac{7-4}{2-1} =\frac{3}{1} =3

You would also have to know what point-slope form is:

y-y_{1}=m\left(x-x_{1}\right)

Now insert your points, and the slope.

y-4 = 3(x-1)

nata0808 [166]2 years ago
4 0

Answer:

y-4=3(x-1)

Step-by-step explanation:

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Please help explanation if possible
Andrej [43]

9514 1404 393

Answer:

  y -4 = -2(x -(-11))

Step-by-step explanation:

The point slope formula is ...

  y -k = m(x -h) . . . . . line with slope m through point (h, k)

__

So, the boxes in order from left to right are k, m, h.

The problem statement tells you the point is (-11, 4), so h = -11, k = 4. It also tells you the slope is -2, so m = -2.

Putting these numbers in the required order, we have k = 4, m = -2, h = -11 and the equation of the line is ...

  y-\boxed{4}=\boxed{-2}(x-\boxed{-11})

7 0
2 years ago
Math help pls o; will reward
BabaBlast [244]

Answer:

see explanation

Step-by-step explanation:

Expressing as equations

9x + 10y = 297 → (1) ← that is B

8x + 5y = 194 → (2) ← that is D

To solve the system of equations, multiply (2) by - 2

- 16x - 10y = - 388 → (3)

Add (1) and (3) term by term to eliminate the term in y

(9x - 16x) + (10y - 10y) = (297 - 388), that is

- 7x = - 91 ( divide both sides by - 7 )

x = 13

Substitute x = 13 into either of the 2 equations and solve for y

Using (1), then

(9 × 13) + 10y = 297

117 + 10y = 297 ( subtract 117 from both sides )

10y = 280 ( divide both sides by 10 )

y = 28

Cost of a small box of candy = $13

Cost of a large box of candy = $28

5 0
3 years ago
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I WILL MAKE YOU BRAINLESS PLEASE EXPLAIN HOW YOU GOT THE ANSWER
ololo11 [35]

The closing price on Thursday was $25.69 and on Wednesday, it went down by 0.75. and it went down again by 0.75 which brought it to $25.69.

That would mean the closing price on Wednesday was $26.44 (25.69 + 0.75)

7 0
3 years ago
-3(_x + 4) = 9x – 12 Using the distributive property, what number would go in the blank in order for the given statement to be c
Licemer1 [7]

Answer:

-3(-3x + 4) = 9x - 12

Step-by-step explanation:

-3( Ax + 4) = 9x - 12

-3Ax -12 = 9x - 12

Equating coefficients of  x terms on both sides :

-3A = 9

A = -3

Therefore, -3(-3x + 4) = 9x - 12

4 0
3 years ago
Helllp me plzzzzzzzz i will mark brainlist
katen-ka-za [31]

Answer:

126

Step-by-step explanation:

set up a proportion, 59/140= x/300. Cross multiply: 140x= 17700. Then divide both sides by 140. the answer is 126.42857... ore rounded, 126.

7 0
3 years ago
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