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MariettaO [177]
3 years ago
7

Write an equation of the line passing through the points (3,8) and (-2,-22)

Mathematics
1 answer:
uranmaximum [27]3 years ago
8 0

Answer:

y=6x+8 or y=6x-22

Step-by-step explanation:

use the equation y=mx+b

m is the slope and b is the y-intercept

to find the slope use the equation m = y2-y1 over x2-x1

-22 - 8 / -2 - 3 = -30 / -5 = 6

6 is your slope and for the y-intercept you can choose whichever y-intercept to put into the equation.

HOPE THIS HELPS!!

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C+a+b=p solve for C literal equation
solniwko [45]

C+a+b=p

move a to the other side

sign changes from +a to -a

C+a-a+b=p-a

C+b= p-a

move +b to the other side

C+b-b= p-a-b

Answer:

C= p-a-b

5 0
3 years ago
The difference of x and a number is 6. What is the other number?
Firlakuza [10]

Answer:

-6+x

Step-by-step explanation:

Let the number=n

x-n=6

-n=6-x

n=-6+x

6 0
3 years ago
I need help... the question is confusing
ziro4ka [17]
\bf \stackrel{line~J}{y+8=-(x-2)}\implies y+8=-x+2
\\\\\\
y=-x-6\implies y=\stackrel{slope}{-1}x-6

now we know the slope of line J is -1.

a line perpendicular to J, will have a negative reciprocal slope, therefore,

\bf \textit{perpendicular, negative-reciprocal slope for slope}\quad -1\implies \cfrac{-1}{\underline{1}}\\\\
negative\implies  +\cfrac{1}{{{ \underline{1}}}}\qquad reciprocal\implies + \cfrac{{{ \underline{1}}}}{1}\implies 1

therefore, line K has a slope of 1, and passes through 3,4,

\bf \begin{array}{ccccccccc}
&&x_1&&y_1\\
%  (a,b)
&&(~{{ 3}} &,&{{ 4}}~)
\end{array}
\\\\\\
% slope  = m
slope = {{ m}}\implies 1
\\\\\\
% point-slope intercept
\stackrel{\textit{point-slope form}}{y-{{ y_1}}={{ m}}(x-{{ x_1}})}\implies y-4=1(x-3)\implies y-4=x-3
\\\\\\
y=x+1
8 0
3 years ago
Use the original price and the markdown to find the retail price. Original price: $40; Markdown: 20%
Dmitry [639]

Answer:

The markdown price is $32

Step-by-step explanation:

•Divide 40 by 100 to get what 1% equals

•Multiply that value (0.4) by 20

•Subtract that value from the original

-

40/100=0.4

0.4×20=8

40-8=32

7 0
2 years ago
What is the expanded form of five and six hundred fourteen thousandths?
Bas_tet [7]
5600.014
= 5000 + 600 + 0.010 + 0.004

i am a mathematics teacher. if anything to ask please pm me
5 0
3 years ago
Read 2 more answers
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