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3 years ago

HELPPPPPPPPP PLEASEEEEEEE

Mathematics

2 answers:

Ugo [173]3 years ago

8 0

Answer:

Step-by-step explanation:

$\frac{-x-|4y|}{2x+y}$ ( substitute x = - 8, y = 2 into the expression )

= $\frac{-(-8)-|4(2)|}{2(-8)+2}$

= $\frac{8-|8|}{-16+2}$

= $\frac{8-8}{-14}$

= $\frac{0}{-14}$

= 0

olga55 [171]3 years ago

3 0

<h2>here it is in the attachment </h2>

hope it helps you

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What is the relation between the variables in the equation x^4/y=7?

makkiz [27]

Answer:

So, the relation between variables are

$y=\frac{x^4}{7}$

Step-by-step explanation:

We are given

$\frac{x^4}{y}=7$

Since, we have to find relation between variables

so, we can solve for y

$\frac{x^4}{y}=7$

Firstly, we will multiply both sides by y

$\frac{x^4}{y}\times y=7\times y$

we can simplify it

$x^4=7\times y$

we can isolate y

so, we can divide both sides by 7

so, we get

$y=\frac{x^4}{7}$

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3 years ago

An electrician charges $30 for a service call plus $75 per hour of service. If he charged 210$ how many hours did he work

tigry1 [53]

Answer:

2 hours 30 minutes

Step-by-step explanation:

210 - 30 = 190

190 / 75 = 2.5

Sorry if I'm wrong.

4 0

3 years ago

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Nhich net force is larger? 1M/S,20 KG or 10 M/S, 1 KG

lakkis [162]

Answer:

Step-by-step explanation:

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3 years ago

H(x)=4x+4 find h(3b)

Lubov Fominskaja [6]

Answer:

h(3b)=12b+4

another answer

h(3b)=4(3b+1)

Step-by-step explanation:

h(x)=4x+4

h(3b)=4(3b)+4

h(3b)=12b+4

if need to simplify..then:

h(3b)=4(3b+1)

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3 years ago

si franco comió 8/3 de pizza y Fabián comió 5/6 de la misma pizza. ¿quien comió más ? si quedó 4/9 de pizza.

devlian [24]

Answer:

Franco comió 8/3 de pizza.

Fabián comió 5/6 de pizza.

Queremos saber quien comió más.

Entonces básicamente queremos ver cuál número es más grande, 8/3 o 5/6,

Podemos reescribir el primero como:

8/3 = (2 + 3 + 3)/3 = 2/3 + 3/3 + 3/3 = 2/3 + 1 + 1

= 2 + 2/3

En cambio, para el número 5/6, el numerador es menor que el denominador, entonces sabemos que:

5/6 < 1

Claramente podemos ver que 8/3 > 5/6

Entonces podemos concluir que Franco comió más.

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3 years ago