2 years ago

What is the surface area of this rectangular prism?

Mathematics

1 answer:

tatuchka [14]2 years ago

6 0

Answer:

290 in^2

Step-by-step explanation:

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Seven men have seven wives each man and wife have seven children what are the number of people?

stealth61 [152]

Answer:

21 people

Step-by-step explanation:

given data

men = 7

wife = 7

children = 7

solution

As given each man and each wife means a couple

and they have 7 children

a total of 7 couples has had 1 child each

This makes it 7 Men + 7Wives + 7 Children = 21 People

Therefore

here total people is 7 Men have 7 Wives Riddle is 21 People

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3 years ago

Weekly math review-Q1.6

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What is the question

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3 years ago

Write an equation of the line that passes through the given points.<br><br> (-2,7) and (1,-2)

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$General\ equation\ for\ line\ in\ slope\ intercept\ form:\\\\y=ax+b\\\\To\ find\ a\ and\ b\ substitude\ points\ (-2,7),\ (1,-2)\ into\ equation\\\\ \left \{ {{7=-2a+b} \atop {-2=a+b\ \ |:-1}} \right. 
\\\\ \left \{ {{7=-2a+b} \atop {2=-a-b}} \right. \\+-----\\\\9=-3a\ \ \ |:-3\\a=-3\\\\-2=-3+b\\-2+3=b\\b=1\\\\y=-3x+1$