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natali 33 [55]
3 years ago
12

What is an equation of the line that passes through the points (-1, 6) and (-1, –5)?

Mathematics
1 answer:
miskamm [114]3 years ago
3 0

Answer: 11x + 11

Step-by-step explanation:

This is two points equation. It could be done in various ways depending on the level of understanding of the topics. The formula goes thus

y - y₁         y₂ ₋ y₁                           y₂ ₋ y₁

------    =   ----------      or  y ₋ y₁ =    ---------  ˣ  ( x - x₁ )

x - x₁         x₂ ₋ x₁                           x₂ ₋ x₁

Where x₁ = -1, x₂ = -1, y₁ = 6, y₂ = -5. Now substitute for the values in the formula above and solve.

y - 6           -5 - 6       -11             -11

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

x - (-1)         -1 - (-1)      -1 + 1          0

y - 6          -11

------    =    -----

x + 1           0   ,

Now we cross multiply to have a linear equation

0( y - 6 )  =  -11( x + 1 )

0   =   -11x - 11, now multiply by -1

The equation now becomes

11x + 11

   

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Step-by-step explanation:

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We have an angle (x) 4 times larger than the other (y).

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There are approximately 39.37 iches in 1 meter. how many meters are in 170 inches
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6 0
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The computer store is having a sale on lets us each laptop is being sold for 15% off the regular price Avery wants to buy a lapt
Nuetrik [128]

Answer:

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Step-by-step explanation:

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8 0
3 years ago
Read 2 more answers
3) David goes into a candy store with $5.00. He buys 9 peppermints for $0.15
yuradex [85]
<h3>Write an equation that will match the story problem​</h3>

x=(5 - (9 \times 0.15) ) \div 0.25

<em><u>Solution:</u></em>

Given that,

David goes into a candy store with $5.00

Total amount with David = $ 5

He buys 9 peppermints for $0.15 each

And some sour candies. each sour candy costs $0.25

The equation is:

Let the number of sour candies bought be "x"

Then,

Remaining amount after buying pepper mint = 5 - 9 \times 0.15  = 3.65

Each sour candy cost $0.25

<em><u>Now the number of sour candies bought is:</u></em>

3.65 = 0.25 \times x

x = 14.6

Thus david can buy 14 sour candies

<em><u>Thus the equation that will match the story problem​ is:</u></em>

x=(5 - (9 \times 0.15) ) \div 0.25

Where, "x" means number of sour candies bought

5 0
3 years ago
Evaluate the expression <br><br> 3m - 5 when m = 7
tia_tia [17]

Answer:

16

Step-by-step explanation: Plug in 7 for m, so 3(7)-5, which is 21 -5, which results in 16.


4 0
3 years ago
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