3 years ago

Please help!! What is 5/6 + 16/6

Mathematics

2 answers:

aivan3 [116]3 years ago

7 0

It is 2 and 2/9 (2.22222222...)

Nana76 [90]3 years ago

3 0

Your correct answer is 13 3/6
5 x 16 = 80
80/6 is improper so we will make it
13 3/6

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Using the rule y = 4x , find thr value of y when x is 5

Sidana [21]

Answer:

y=4(5) =20

Step-by-step explanation:

6 0

2 years ago

Find 3x2 − y3 − y3 − z if x = 3, y = −2, and z = −5.

IceJOKER [234]

3x²-y³ - y³ - z if x = 3, y = -2, z = -5

Simply plug in all the values :)

3(3²) - (-2³) - (-2³) - (-5)

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Simplify.

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48

~Hope I helped!~

4 0

3 years ago

If z^2+1/z^2=11 , find the value of z^3-1/z^3,using only the positive value of z-1/z

vredina [299]

Hello,

Let's assume

$t=z- \dfrac{1}{z} \\\\

t^2=z^2-2+ \dfrac{1}{z^2}= 11-2=9==\ \textgreater \ t=3\\\\

t^3=z^3-3z^2* \dfrac{1}{z} +3z* \dfrac{1}{z^2} - \dfrac{1}{z^3} \\\\
=z^3 - \dfrac{1}{z^3} -3(z-\dfrac{1}{z})\\\\
z^3 - \dfrac{1}{z^3}=t^3+3t=3^3+9=27+9=36


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