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cupoosta [38]
1 year ago
9

Write the slope-intercept form of the equation of the line through the given point with the given slope.

Mathematics
1 answer:
masya89 [10]1 year ago
6 0

Answer:

y = 2x + 15

Step-by-step explanation:

the equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

here m = 2 , then

y = 2x + c ← is the partial equation

to find c substitute (- 4, 7 ) into the partial equation

7 = - 8 + c ⇒ c = 7 + 8 = 15

y = 2x + 15 ← equation of line

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Alja [10]

Answer:

y=3/8x

Step-by-step explanation:

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5 0
2 years ago
What is 2x/5 = 10<br> what is x
stellarik [79]

Answer:

X =25

Step-by-step explanation:

5 times the 10 making it 50

Makes it so 2x=50

Do 50/2 to get 25

Check answer

2 X 25 / 5 = 10

Hope this helped

3 0
3 years ago
Read 2 more answers
Need help ASAP plz check picture​
miv72 [106K]

Answer:

Is there names or how do you do this

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4 0
3 years ago
Simplify the expression <img src="https://tex.z-dn.net/?f=%5Cfrac%7B-5%2Bi%7D%7B2i%7D" id="TexFormula1" title="\frac{-5+i}{2i}"
Fudgin [204]

Answer:

1/2 + 5/2 i

Step-by-step explanation:

(-5+i)         i

---------* --------

2i             i

cannot have i in the denominator so we multiply by i

(-5+i)         i             -5i + i^2

---------* --------  = ----------------

2i             i              +2i^2

remember i^2 = -1

     -5i + -1        -1 -5i

= ---------------- = ------------------

    +2(-1)                        -2

get rid of the negative in the denominator by multiplying the top and bottom by -1

    (-1 -5i) * -1

= ------------------

          -2*(-1)


    (1 +5i)

= ------------------   =   1/2 + 5/2 i

          2

6 0
3 years ago
I need help with this please
kodGreya [7K]
1/5(2x - 10) + 4x = -3(1/5x + 4)
0.4x - 2 + 4x = -0.6x - 12
4.4x - 2 = -0.6x - 12
5x - 2 = -12
5x = -10
x = -2
6 0
3 years ago
Read 2 more answers
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