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2 years ago

Given mſn, find the value of x. (6x+10) > (10x+10)

Mathematics

1 answer:

andrew11 [14]2 years ago

5 0

(6x+10)°=(6x+10)°[vertically opposite angle]
now,
6x+10+10x+10=180°[being cointerior angle]
16x=180-20
x=160%16
x=10°

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Part 1) The length of two sides and the measure of the included angle (Side-Angle-Side)

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Step-by-step explanation:

we have

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Part 1) Which information about the triangle is given?

In this problem we have the length of two sides and the measure of the included angle (Side-Angle-Side)

see the attached figure to better understand the problem

Part 2) Which formula can you use ti find b?

I can use the law of cosines

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$a=11\ in\\c=9\ in\\B=70^o$

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Part 3) What is b, rounded to the nearest tenth?

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To Round a number

a) Decide which is the last digit to keep

b) Leave it the same if the next digit is less than $5$ (this is called rounding down)

c) But increase it by $1$ if the next digit is $5$ or more (this is called rounding up)

In this problem we have

$11.59\ in$

We want to keep the digit $5$

The next digit is $9$ which is 5 or more, so increase the "5" by 1 to "6"

therefore

$b=11.6\ in$

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