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3 years ago

12

The length of the base of an isosceles triangle is x. The length of a leg is 4x - 6. The perimeter of the triangle is 51. Find x

.
X=

1 answer:

dedylja [7]3 years ago

6 0

4(51)-6
x=198 i wanna say that’s the answer

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I need the quadratic formula.

Gre4nikov [31]

ax²+bx+c=0
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4a²x²+4abx=-4ac
4a²x²+4abx+b²=b²-4ac
(2ax+b)²=b²-4ac

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3 years ago

Can you help me with these too?<br> its for a geometry final practice<br> plisss

bagirrra123 [75]

Answer:

I think it's B or C. I could be wrong though.

Step-by-step explanation:

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finlep [7]

Answer:

$\boxed{B. \: 5 {x}^{6} + 5 {x}^{5} + 8 {x}^{2} - x + 2}$

Step-by-step explanation:

$= > (2 {x}^{6} + 8 {x}^{2} - x + 1) + (3 {x}^{6} + 5 {x}^{5} + 1) \\ \\ = > 2 {x}^{6} + 8 {x}^{2} - x + 1 + 3 {x}^{6} + 5 {x}^{5} + 1 \\ \\ = > 2 {x}^{6} + 3 {x}^{6} + 5 {x}^{5} + 8 {x}^{2} - x + 1 + 1 \\ \\ = > 5 {x}^{6} + 5 {x}^{5} + 8 {x}^{2} - x + 2$

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3 years ago

Slope = -8, passing through (2,5)

Marrrta [24]

Y - y₁ = m(x - x₁)
y - 5 = -8(x - 2)
y - 5 = -8(x) + 8(2)
y - 5 = -8x + 16
<u> + 5 + 5</u>
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Answer:

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Step-by-step explanation:

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