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Rufina [12.5K]
3 years ago
9

Find the area of the shaded region.

Mathematics
2 answers:
denis-greek [22]3 years ago
6 0

Answer: 40.5 m2

Step-by-step explanation: first you have to calculate the area of the square.

Then, because the shaded area is half the square, you just divide the area of the square between two

Maksim231197 [3]3 years ago
3 0

Answer:

Step-by-step explanation:

First do 9 times 9 times 9

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Petra eats five and three fifths pies in a pie-eating contest. Paulie eats three and fourteen sixteenths pies in the contest. Ho
Alex777 [14]

Answer:

2 7/20

Step-by-step explanation:

So Lets put these into a fraction form

Petra: 5 3/5

Pauline: 3 4/16 -> Can be Simplified = 3 1/4

Take the number of pies Petra Ate and subtract it by the number of pies Pauline ate

Change the numbers to a common factor. (multiply 3/5 by 4 and 1/4 by 5 to have common denominators)

5 \frac{12}{20} - 3 \frac{5}{20}

Make These Into a Mixed Fraction

\frac{112}{20} -\frac{65}{20}

Subtract 112-65

\frac{47}{20}

Simplify (divide 47 into 20 how many times to get into a mixed fraction)

2 \frac{7}{20}

I think this is right. Hope This Helps

7 0
2 years ago
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Please can anyone help?
saul85 [17]

Answer:

coefficient

Step-by-step explanation:

6 0
3 years ago
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If a number is odd, then it has a remainder of 1 when divided by 2.
Dominik [7]

Answer:

A number is odd

Step-by-step explanation:

8 0
3 years ago
What is the equation of the line?
VikaD [51]

The equation is "x=0", because the x intercepts at the x axis with no y-intercept.

6 0
3 years ago
A crawling tractor sprinkler is located as pictured below, 100 feet South of a sidewalk. Once the water is turned on, the sprink
deff fn [24]

Answer:

  a) see below

  b) 32 minutes after turn-on

  c) 52 minutes after turn-on

  d) 20 minutes

  e) 6856.6 ft²

Step-by-step explanation:

a) We have elected to put the origin at the point where the hose crosses the south edge of the sidewalk. Units are feet. Then the sprinkler starts at (0, -100). After 1 hour, 3600 seconds, the sprinkler is 1800 inches, or 150 ft north of where it started, so stops at (0, 50).

The lines forming the sidewalk boundaries are y=0 and y=10.

__

b) Water will first strike the sidewalk when the sprinkler is 20 feet south of it, or 80 feet north of where it started. The sprinkler travels that distance in ...

  (80 ft)(12 in/ft)/(1/2 in/s)(1 min/(60 s)) = 32 min . . . time to start sprinkling sidewalk

__

c) The sprinkler has to travel to a point 130 ft north of its starting position for the water to fall north of the sidewalk. That distance is traveled in ...

  (130 ft)(2/5 min/ft) = 52 min . . . time until end of sprinkling sidewalk

Note that we have combined the scale factors in the expression of part b into one scale factor of (2/5 min/ft).

__

d) The difference of times in parts b and c is the time water falls on the sidewalk: 20 minutes.

__

e) In one hour, the sprinkler travels a distance of ...

  (60 min)(5/2 ft/min) = 150 ft

Of that distance, 10 feet is sidewalk. So, the sprinkler covers an area of grass that is a 140 ft by 40 ft rectangle and a circle of 20 ft radius. The total area of that is ...

  A = LW + πr² = (140 ft)(40 ft) +π(20 ft)² = (14+π)(400) ft² ≈ 6856.6 ft²

The area of grass watered in 1 hour is about 6856.6 ft².

5 0
3 years ago
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