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3 years ago

A school custodian waxed a gymnasium floor that measured 20feet by 20 feet. How many square feet did she have to wax

1 answer:

8 0

Here the dimension of the waxed gymnasium floor is given which is 20 feet by 20 feet. It means the floor is of square shape . And we need to find how many square feet she have to wax. Here square feet is given, which means we have to find the area. SO we need to find the area of the gymansium floor . And area of square is side square. So area of gymnasium floor = 20 ft times 20 ft = 400 square feet .

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Amir wants to buy a new MP3 player that costs $76.50. If he saves $8.50 each week, how many weeks will it take Amir to save enou

Marat540 [252]

After nine weeks Amir would have enough to buy the MP3

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3 years ago

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Tyrone wants to remodel his bathroom floor using 168 tiles. If one tile costs $7.51, estimate the total cost for the tile projec

Ludmilka [50]

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Multiply the cost for one tile ($7.51) by the number of tiles being used (168)

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3 years ago

In the

muminat

Answer:

72°

Step-by-step explanation:

4+2+6+8=20

360÷20=18

AC=4x18=72

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3 years ago

The distane from the spice island to lisbon is 11431 nautical miles and it took magellan and took his crew 100 days to reach Lis

natulia [17]

Answer:

114.31 nautical miles per day

Step-by-step explanation:

Use formula

$S=v\cdot t,$

where S is the distance, t is time and v is rate.

If S=11431 nautical miles and t=100 days, then

$v=\dfrac{11431}{100}=114.31\ \text{nautical miles per day}.$

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3 years ago

Graph XY with endpoints X(5,−2) and Y(3,−3) and its image after a reflection in the x-axis and then a rotation of 270 degrees ab

DerKrebs [107]

Answer:

X''(2, -5), Y''(3, -3)

Step-by-step explanation:

You know that reflection in the x-axis changes the sign of the y-coordinate. Points that used to be above the axis are now below by the same amount, and vice versa.

Rotation counterclockwise by 270° is the same as clockwise rotation by 90°. That maps the coordinates like this:

(x, y) ⇒ (y, -x)

The two transformations together give you ...

(x, y) ⇒ (x, -y) ⇒ (-y, -x) . . . . . . . . equivalent to reflection across y=-x.

Using this mapping, we have ...

X(5, -2) ⇒ X''(2, -5)

Y(3, -3) ⇒ Y''(3, -3) . . . . . . on the equivalent line of reflection, so invariant

_____

The attachment shows the original segment in red, the reflected segment in purple, and the rotated segment in blue. The equivalent line of reflection is shown as a dashed green line.

8 0

3 years ago