3 years ago

Identify the domain of the function.

Mathematics

1 answer:

ruslelena [56]3 years ago

7 0

I believe the answer to your problem is B

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Keith_Richards [23]

Answer:

x=30

Step-by-step explanation:

You have to use intercept theorem, also known as Thales's theorem to slvoe this.

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2 years ago

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Licemer1 [7]

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Step-by-step explanation:

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3 years ago

98.42 divided by 1.8

igomit [66]

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3 years ago

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3 years ago

The area of a rectangular plank is 4500 cm². The plank was broken into two pieces, one of which is a square and the other a rect

svp [43]

Answer:

$Xs=30cm$ and $As=900 cm^{2}$

Step-by-step explanation:

At=As+Ar; A=b.h and $At=4500 cm^{2}$ , then: At=(x+120)x so

(x+120)x=4500, $x^{2} +120x-4500=0$ Applying cuadratic equation formula: $\frac{120+-\sqrt{120^{2} -4.1.-4500} }{2} =-\frac{120+-\sqrt{14400+18000} }{2}= x1=30 and x2=-150, finally Xs=30cm, and As=900cm^{2}$

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3 years ago

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