1 year ago

Find the volume of each prism 2.7ft 3ft 2ft

Mathematics

1 answer:

VashaNatasha [74]1 year ago

6 0

Answer:

16.2 is the volume i hope i helped u

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The number 1,254 is divisible by all of the following, except _____. 6 2 3 9

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The number 1,254 is divisible by all of the following, except 9

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2 years ago

2x² - 5x+1 has roots alpha and beta. Find alpha⁴+beta⁴ without solving the equation.

shepuryov [24]

Answer:

Step-by-step explanation:

$\alpha+\beta=\dfrac{5}{2} \\\\\alpha*\beta=\dfrac{1}{2} \\\\\alpha^2+\beta^2=\dfrac{21}{4} \ (see\ previous\ post)\\\\(\alpha+\beta)^4=\dfrac{625}{16} \\\\=\alpha^4+\beta^4+4*\alpha^3*\beta+6*\alpha^2*\beta^2+4*\alpha*\beta^3\\\\=\alpha^4+\beta^4+4*(\alpha*\beta)(\alpha^2+\beta^2)+6*\alpha^2*\beta^2\\\\\alpha^4+\beta^4=(\alpha+\beta)^4-4*(\alpha*\beta)(\alpha^2+\beta^2)-6*\alpha^2*\beta^2\\\\= \dfrac{625}{16} -4*\dfrac{1}{2} *\dfrac{21}{4} -6*(\dfrac{1}{2})^2 \\\\$

$= \dfrac{625}{16}- \dfrac{168}{16}-\dfrac{24}{16}\\\\\\= \dfrac{433}{16}$

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2 years ago

mix 2parts red with 3parts cream and 1part blue how much cream and blue paint do i need to mix with 4litres of red

vagabundo [1.1K]

The 4 litres of red has to be 2 parts of the mixture, so each part will be 2 litres. Therefore 3 parts of cream will be 6 litres and the one part of blue will be 2 litres.

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3 years ago

Read 2 more answers

V= pi r^2h solve for h

Ivenika [448]

Divide each term by πr2 π r 2 and simplify. Divide each term in πr2h=V π r 2 h = V by πr2 π r 2 .

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2 years ago

hey brainly i just wanted to say thanks you made me pass the school year even tho i might fail thanks tho ima repeat the same gr

Shtirlitz [24]

Step-by-step explanation:

your welcome! We will always help your problems :) you can possibly learn something with the step by steps!