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Lerok [7]
3 years ago
5

Which of the following functions is graphed below?

Mathematics
1 answer:
Zina [86]3 years ago
6 0

Answer:

B

Step-by-step explanation:

there's no point on x^2 +3 at 4 so x < 4 making it B

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Express 5 as a percentage of 4​
Julli [10]

Answer:

5 is 125% of 4

because 100/4=25% per one

5-4=1

so that means 100% +1 part(25%)= 125%

Step-by-step explanation:

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Step-by-step explanation:

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2 years ago
How do you do this problems?
rewona [7]

x = 6

Step-by-step explanation:

It's based on similarity of triangles

DEF ~ △XYZ

\implies \mathsf{ \frac{DE }{ XY } =  \frac{EF}{YZ} =  \frac{ FD}{ZX}}

The sides should be taken in order, like the triangles start with DE and XY so, we'll proportionate DE and XY and then the next two sides and so on.

I'm using \mathsf{ \frac{DE }{XY } =  \frac{EF}{YZ} }to get the value of x.

[You can use any two fractions out of the three given above. ]

\implies \mathsf{ \frac{10}{x - 1} =  \frac{8}{4}  }

\implies \mathsf{ \frac{10}{x - 1} =  2  }

\implies \mathsf{ 10 =  2 (x - 1) }

\implies \mathsf{ 10 =  2 x - 2 }

\implies \mathsf{ 10  + 2=  2 x  }

\implies \mathsf{ 1 2=  2 x  }

\implies \mathsf{ x = 6 }

Hence, the value of x is 6.

5 0
2 years ago
Which is the simplified form of (2ab/a^-5 b^2)^-3?
Sever21 [200]
I am  using the laws:
1) ( x^{a} )^{c} = x^{a*c}
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3) \frac{ x^{a} }{x^{b}} = x^{a-b}

an x is a base - the law is valid if the bases are the same number!

The solution in attachment :) 

6 0
3 years ago
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What's -2x-8y=12 in y intercept form
Free_Kalibri [48]
Y=2/-8x-1.5 ( pretty much add 2x to both sides, then divide all parts by negative 8. So it'd be 2 over -8 and then 12 divided by -8 which equals -1.5) 
7 0
3 years ago
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