Need help with this math question.

Mathematics

2 answers:

Svet_ta [14]3 years ago

6 0

10a+35b=0; 21a-35b=217 ...associative property of addition
31a = 217 .............addition property of equality
a = 7 .....................division property of equality
2(7) +7b = 0 --------------substitution property of equality
14+7b = 0 -----------------mulplication property of equality
7b = -14 --------------subtraction property of equality
b = -2 ----------------simplify

aleksklad [387]3 years ago

6 0

Hey there,

1.) $\boxed{associative \ property \ of \ addition}[/tex\\2.)[tex]\boxed{addition \ property \ of 
 equality}$
And the rest would be. . .

division property of equalitysubstitution property of equalitymultiplication property of equalitysubtraction property of equalitysimplify

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Citrus2011 [14]

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Find the measure of the missing side. Round your answer to the nearest tenth. (PYTHAGOREAN THEOREM)

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Rounded to the nearest tenth, the length of the missing side is 5.4 in.

Step-by-step explanation:

According to the Pythagorean theorem, $a^{2}+b^{2}=c^{2}$ , where c is the length of the hypotenuse (the longest side), a and b are the lengths of the other two sides. We can use this to solve for the length of the hypotenuse of the right triangle shown in your question (the missing side):

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This simplifies to $29=c^{2}$ . Now to solve for c (the length of the hypotenuse), we just take the square root of both sides of the equation and solve like so: