3 years ago

Who is good with elimination and substitution methods?. i need help

1 answer:

6 0

I'm currently learning it in my math class... i can do some equations... whats the question?

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Sedaia [141]

Answer:

$\frac{16 }{38} \times \frac{100}{1} = 42\%$

Step-by-step explanation:

$\frac{16 }{38} \times \frac{100}{1} = 42\%$

6 0

3 years ago

Nana76 [90]

Answer:

4 bags

Step-by-step explanation:

lxw

12x10=120

30x4=120

l=length

w=width

6 0

3 years ago

7nadin3 [17]

$x^2+3x-10=0\\
x^2-2x+5x-10=0\\
x(x-2)+5(x-2)=0\\
(x+5)(x-2)=0\\
x=-5 \vee x=2
$

4 0

3 years ago

nexus9112 [7]

$x^2+2x=19\\
x^2+2x+1=20\\
(x+1)^2=20$

3 0

3 years ago

vaieri [72.5K]

(x + 4) / 3 = 12.....multiply both sides by 3, cancelling the 3 on the left side
x + 4 = 12 * 3
x + 4 = 36
x = 36 - 4
x = 32

7 0

3 years ago