2 years ago

Find the Area please help me

Mathematics

1 answer:

Serggg [28]2 years ago

7 0

Step-by-step explanation:

Area for a right angle triangle = 1/2 bh

b = Base

h = Height

A = 1/2×bh

= 1/2 × 2c^3d^2 × 4c

= (2c^3d^2 × 4c) / 2

= c^3d^2 × 2c

= 2c^4 × d^2

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Find the missing coefficients <br><br><br>y=ax^2-10x+c <br>vertex :(-5,20)

Citrus2011 [14]

Remember, for $y=ax^2+bx+c$ the x value of the vertex is $\frac{-b}{2a}$

so
given
x value of vertex is -5
and
$y=ax^2-10x+c$
$\frac{-b}{2a}=\frac{-(-10)}{2a}=\frac{10}{2a}=$
$\frac{5}{a}=-5$
multiply both sides by a
5=-5a
divvide both sides by -5
-1=a
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$y=-1x^2-10x+c$
comlete the square
remember if we do
$y=a(x-h)^2+k$ (h,k) is the vertex
I know, we can subsitute the known values of te vertex
-5 for h and 20 for k then expand

$y=-1(x-(-5))^2+20$
$y=-1(x+5)^2+20$
$y=-1(x^2+10x+25)+20$
$y=-1x^2-10x-25+20$
$y=-1x^2-10x-5$

a=-1
c=-5

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3 years ago

A couch, a love seat, and a chair cost $1565. The couch costs twice as much as the chair, and the live seat costs $400 more than

Naily [24]

Couch: 2x
love seat: 2x+400
chair: x
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5x+400=1565
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The cost of the chair is $233. The cost of the couch is $466. The cost of the love seat is $866.

Hope this helps!

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3 years ago

Darlene is adopting a pet. She can choose from 8 kittens and 6 puppies. How many ways can she choose a pet to adopt?

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3 years ago

Read 2 more answers

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Anuta_ua [19.1K]

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