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Studentka2010 [4]
3 years ago
10

-x - y = -9 x - y = 3

Mathematics
2 answers:
vovangra [49]3 years ago
5 0
Use elimination
-x - y = -9
x - y = 3
Add both equations
-2y = -6, y = 3
-x -(3) = -9
-x = -6, x = 6
Final answer: x = 6, y = 3
natulia [17]3 years ago
4 0
Your answer would be: 6,3

If your wanting it in this form.
Hope this helps! And happy holidays!!
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Witcch point lies on the line of the point-slpoe equation y-2=5(x-6)
Marina86 [1]

Answer:

See below.

Step-by-step explanation:

<u>Simplify</u>

y - 2 = 5(x - 6)

y - 2 = 5x - 30

y = 5x - 28

Points which lie on the line

(6, 2)

(5, -3)

(7, 7)

7 0
3 years ago
Read 2 more answers
-4n-40=-2(7n+5)<br> please show work
Grace [21]

Answer:

n=3

Step-by-step explanation:

-4n-40=-2(7n+5)

Distribute the -2

-4n -40 = -14n -10

Add 14n to each side

-4n+14n -40 = -14n +14n-10

10n -40 = -10

Add 40 to each side

10n -40+40 = -10+40

10n = 30

Divide each side by 10

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8 0
3 years ago
Original price of a camera: $649.50<br> Discount: 40%<br> What’s the selling price
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3 years ago
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How do you write this from least to greatest? 1.265,1.256,1.268
n200080 [17]

Answer:

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Step-by-step explanation:


5 0
4 years ago
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Find the domain and range of the exponential function h(x)= -343^x
givi [52]
I will named this exponential function as y= - 343^x .
This function is symmetrical with function y = 343^x in relation to X axis. 
In general their formula is y=a^x or in your case y= - a^x

First I'll describe y=a^x => this function has domein Dx=R ( Whole field of real number), range is in interval ( 0,  +infinity), when x increases and y increases, when x decreases and y decreases. This function is always positive in whole domain and always is growing function. And X axis is its asymptote (y=0).

In your case function y= - 343^x has folowing features:
domein Dx=R
range is in interval (-infinity, 0)
when x increases => y decreases =>
example: y= -2^2=-4, y= -2^3=-8 etc....
when x decreases => y increases ->
example: y= -2^(-2)= - 1/(2^2)= - 1/4, y=-2^(-3)= - 1/(2^3)= - 1/8 etc....
this function is always negative
this function is always declining
x axis is its asymptote from the top ( y=0)
7 0
3 years ago
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