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navik [9.2K]
3 years ago
12

Rachel is a lunch room supervisor at west school the children eat lunch at 15 long tables when all tables are used 240 children

can eat at one time how many seats are there at each table?
Mathematics
1 answer:
Natali [406]3 years ago
8 0

Answer:

16

Step-by-step explanation:

15x = 240 x stands for number of students at 1 table

To solve this we divide by 15 both sides for the "x" to remain alone on one side of the equality sign.

(15/15) x = 240/15

So, x = 16.

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The owner of a motel has 2900 m of fencing and wants to enclose a rectangular plot of land that borders a straight highway. If s
navik [9.2K]

Answer:

Step-by-step explanation:

Given that the owner of a motel has 2900 m of fencing and wants to enclose a rectangular plot of land that borders a straight highway.

Fencing is used for 2times length and 1 width if highway side is taken as width

So we have 2l+w = 2900

Or w = 2900-2l

Area of the rectangular region = lw

A(l) = l(2900-2l) = 2900l-2l^2\\

Use derivative test to find the maximum

A'(l) = 2900-4l\\A"(l) = -4

So maximum when I derivative =0

i.e when l =\frac{2900}{4} =725

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= 725(2900-2*725)\\= 1051250

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3 0
3 years ago
HELP FAST!!! The Mogul Runners ski club planned a trip to Park City. Of the total number of club members, 11 signed up to go. If
Andre45 [30]

"25%" means "0.25"
"of" means "times"

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Divide each side by  0.25 :      The club = (11 / 0.25)  =<em>  44 members

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6 0
3 years ago
What is the general form of the equation of a circle with its center at (-2,1) and passing through (-4,1)
cricket20 [7]

Answer:

(x + 2)^2 + (y - 1)^2 = 2^2

Step-by-step explanation:

The equation of this circle is

(x + 2)^2 + (y - 1)^2 = r^2, and we are to determine the values of r^2 and r by substituting -4 for x and 1 for y:

(-4 + 2)^2 + (1 - 1)^2 = r^2, or:

(-2)^2                        =  r^2, or

4 = r^2

Then r = 2.

The desired equation is:

(x + 2)^2 + (y - 1)^2 = 2^2

7 0
3 years ago
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Pepsi [2]

Answer:

625

Step-by-step explanation:

7 0
3 years ago
Which line segment is drawn in the figure?<br> w<br> DYZ<br> WY<br> XZ<br> I wz
maksim [4K]

Answer:

XZ

Step-by-step explanation:

X and Z are points so that makes 2 endpoints, and a line segment

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