2 years ago

Giải giúp mình với ạ

Mathematics

1 answer:

olga55 [171]2 years ago

4 0

Answer:

answer is b

Step-by-step explanation:

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Solve the value of n

UNO [17]

9n+2+34=90
9n=54
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3 years ago

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Solve the system of equations using substitution.

faltersainse [42]

Answer:

( $\frac{1}{3}$ , 3 )

Step-by-step explanation:

Given the 2 equations

y = 9x → (1)

6x - y = - 1 → (2)

Substitute y = 9x into (2)

6x - 9x = - 1, that is

- 3x = - 1 ( divide both sides by - 3 )

x = $\frac{1}{3}$

Substitute x = $\frac{1}{3}$ into (1) for corresponding value of y

y = 9 × $\frac{1}{3}$ = 3

Solution is ( $\frac{1}{3}$ , 3 )

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3 years ago

What is four plus the number two basically mathematics

Oksi-84 [34.3K]

Answer:

Step-by-step explanation:

4+2 = 6

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3 years ago

OLIVE

RoseWind [281]

Answer:

The slope is 2/3

Step-by-step explanation:

m=y²-y1/x²-x¹

m=6-4/5-2

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3 years ago

Calculus question....does anyone know how to solve this?

iogann1982 [59]

$h(x)=(f\circ g)(x)$
$\sqrt{x+5}=\sqrt{g(x)+2}$
$x+5=g(x)+2$
$g(x)=x+3$

Just to check this is correct:

$(f\circ g)(x)=f(g(x))=f(x+3)=\sqrt{(x+3)+2}=\sqrt{x+5}=h(x)$

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3 years ago