C/8 =9 what is c? pls help

Mathematics

2 answers:

castortr0y [4]3 years ago

4 0

Answer:c=72

Step-by-step explanation:9x8=72

72/8=9

AlekseyPX3 years ago

3 0

Answer:

C = 72

Step-by-step explanation:

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Solve each system by elimination> 9x-3y=3: 3x+8y=-17

kkurt [141]

9x-3y=3. |x3| 27x-9y=9
3x+8y=-17. |x9|27x+72y=-153
--------------------------------- -

-81y=162
y=-2

9x-3y=3
9x-3(-2)=3
9x+6=3
9x=3-6
x=-3/9
x=-⅓

x=-⅓
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7 0

4 years ago

Two points are located at (−9,−8) and (−6,−4).

Mrac [35]

Answer:

$l(AB)=5\ units$

is the distance between the point A and point B.

Step-by-step explanation:

Let

A ≡ (x₁, y₁) ≡ (-9 , -8 )

B ≡ (x₂, y₂) ≡ (-6 , -4 )

Now by Pythagoras Distance formula we have

a² + b² = c²

$l(AB) = \sqrt{((x_{2}-x_{1})^{2}+(y_{2}-y_{1})^{2} )}\\\\l(AB) = \sqrt{((-6--9)^{2}+(-4--8)^{2} )}\\\\l(AB)=\sqrt{(3)^{2}+(4)^{2} }\\\\l(AB) =\sqrt{25} \\\\l(AB) = 5\ units$