3 years ago

Find the length of a leg

Mathematics

2 answers:

N76 [4]3 years ago

8 0

The answer to your question is b.

KatRina [158]3 years ago

4 0

The triangle has two angles of 45°, so the straight legs a are equal. Pythagoras says that

a² + a² = 16², so 2a² = 256, a = √128 = √64·√2 = 8√2

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Given the following system of equations: −x + y = 2 2x + 4y = 32 What action was completed to create this new equivalent system

tiny-mole [99]

Answer:

you just need to devide by 2 the second equation

Step-by-step explanation:

-x + y = 2 (you leave it as it is)

2x + 4y =32 => 2x/2 +4y/2 = 32/2

=> x + 2y =16

we can devide or multiply in an equation by any number we want, as long as we do it to every term.

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2 years ago

Suppose the CPI increases this year from 208 to 221. What is the rate of inflation for this year? Round your answer to the neare

guajiro [1.7K]

SOLUTION:

We are to find the rate of inflation in the given question;

The formula to be used is;

Inflation rate =

$\frac{\text{CPI}_{present}-CPI_{previous}}{CPI_{previous}_{}}\text{ X 100}$ $\begin{gathered} \frac{221-208}{208}\text{ X }\frac{100}{1} \\ \\ \frac{13}{208}X\frac{100}{1} \\ \\ 6.25\text{ \%} \\ 6.3\text{ \% (nearest tenth of a percentage)} \end{gathered}$

CONCLUSION

The inflation rate of CPI that increased from 208 to 221 to the nearest tenth of a percentage is 6.3%.

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1 year ago

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Answer:

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Step-by-step explanation:

135-50=85

85/5=17

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