3 years ago

Find the side length of the triangle

Mathematics

1 answer:

Levart [38]3 years ago

7 0

Answer:

Step-by-step explanation:

The markings on the triangle means that this is an equilateral triangle (All sides are the same length)

So, we can set the two equations we have equal to each other

4x + 7 = 3x + 10

x + 7 = 10

x = 3

Plug it into either equation

3(3) + 10 = 19

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1.) What is the best approximation of the solution to the system to the nearest integer values?

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Part 1) we have

$5x+2y=16$ ------> equation A

$x+3y=12$

$x=12-3y$ ------> equation B

Substitute the equation B in equation A

$5[12-3y]+2y=16$

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$y=44/13=3.38$

Find the value of x

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the best approximation is the point $(2.3)$

therefore

the answer Part 1) is the option C

$(2.3)$

Part 2) we have

$y=-x-2$ ------> equation A

$y=3x+2$ ------> equation B

equate equation A and equation B

$-x-2=3x+2$

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$x=-1$

Find the value of y

$y=-(-1)-2=-1$

the solution is the point $(-1,-1)$

therefore

the answer Part 2) is

$(-1,-1)$

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Answer:

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Step-by-step explanation:

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