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riadik2000 [5.3K]
4 years ago
15

6x-9=y ; y=-3x linear equations solution for x and y I need help can someone explain

Mathematics
1 answer:
snow_lady [41]4 years ago
7 0
The answer is
 x = 1 and y = -3
<span>[1] 6x-9=y [2] y=-3x</span>
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Two digit-
igor_vitrenko [27]

Let the number = 10x+y

x+y = 9

y-x = 1

(x+y)+(y-x) = 9+1

2y = 10

y = 10/2

<h3><u>y = 5</u></h3>

x+y = 9

9-y = x

x = 9 - 5

<h3><u>x = 4</u></h3>

<h2>So, your number is <u>45</u></h2>

... Hope this will help...

4 0
4 years ago
What is the anwere to this problem in the simple form
Deffense [45]
It is in simple form. There is absolutely nothing more that can be done, unless it is a joke. And math jokes are very hard to come by.

I don't think that y(y - 1)/(a + 2b) is any simpler.

Come to think of it, is that x^2 or y^2 on the top left. 
I think my first answer is the best one. Nothing can be done.
5 0
4 years ago
What's 32 to the power of negative 2/5
Lady bird [3.3K]
32^{-\frac{2}{5}}=\sqrt[5]{32}^{-2}=2^{-2}=(\frac{1}{2})^2=\frac{1}{4}
3 0
3 years ago
A landscaper wants to create a 12-foot-long diagonal path through a rectangular garden. The width of the garden is x feet and th
dolphi86 [110]

Answer:

Width of the rectangle =  6.7 ft

length of the rectangle = 10.7 ft

Step-by-step explanation:

ABCD is the rectangle.

AB = length of the rectangle = 4 + x ft

BC = width of the rectangle = x ft

AC = Diagonal of the rectangular field = 12 ft

Since ΔABC is the Right angle triangle. So

AC^{2} = AB^{2} + BC^{2}

12^{2} = (4 + x)^{2} + x^{2}

144 = x^{2} + 16 + x^{2} + 8 x

144 = 2x^{2} + 8x + 16

x^{2} + 4x -72 = 0

By solving above equation we get

x = 6.7 ft

Thus is the width of the rectangle.

And length of the rectangle = 4 + x

⇒ 4 + 6.7

⇒ 10.7 ft

5 0
3 years ago
Read 2 more answers
PLS HELP I WILL GIVE BRAINIEST JUST PLSSS
Luden [163]

Answer:

bc it has the same value

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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