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Ira Lisetskai [31]
3 years ago
8

A large dining room table is in the shape of a semi circle diameter 12 feet. What is the square feet closest to the area ? Radiu

s-3.14
Mathematics
1 answer:
Zarrin [17]3 years ago
7 0
No, the radius is not 3.14 .  The radius is 1/2 of the diameter . . .  That's 6 feet.
If you see 3.14 on the sheet, then that's the number you're supposed to use for pi .

The area of any circle is (pi) x (radius squared).
If the table were a full circle, its area would be (pi) x (6 squared) = 36 pi square feet.

But it's only half of that . . . 18 pi = (18) x (3.14) = <u>56.52 square feet</u>.

That's called the "area" of the table, not the "square feet" of the table.

And another thing:   I see you're asking for the "closest" number.   Don't ask me
how I know this, but I'm pretty sure that right under this question wherever you
copied it from, there's a list of choices, and when you posted the question, for
some reason you decided not to share the list.
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Quinzel and Joseph sell shoes. Last month Quinzel sold 18 less pairs
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Answer:

Quinzel sold 17 pairs of shoes last month.

Step-by-step explanation:

Let be "Q" the number of pairs of shoes Quinzel sold last month and "J" the number of pairs of shoes Joseph sold last month.

Set up a system of equations:

\left \{ {{Q=J-18} \atop {Q+J=52} \right.

Solve for "J" from the first equation:

J=Q+18

Applying the Substitution Method, you get:

Q+J=52\\\\Q+(Q+18)=52\\\\2Q=52-18\\\\Q=\frac{34}{2} \\\\Q=17

7 0
3 years ago
Equation of a line with slope 1/5 through the point (-5, -4)
Harrizon [31]

9514 1404 393

Answer:

  y +4 = (1/5)(x +5)

Step-by-step explanation:

The point-slope form of the equation of a line is useful when you have a given point and slope.

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7 0
3 years ago
I don’t know how to do this
AysviL [449]
You need to add the problem you need help with....
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4 0
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The general term for the sequence 3/4, 6/5, 9/6, 12/7, 15/8 is?
tigry1 [53]
The numerators  = 3n ( where n = sequence number of the term
The denominators  = n + 3

Answer is  3n / (n + 3)
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