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3 years ago

Find the area of the shape

Mathematics

2 answers:

ella [17]3 years ago

6 0

Answer:

21,87ft

Step-by-step explanation:

area of square: 6×6=36

circle:

π×r^2

(radius is 3)

π×3×3= 28,26

half of the circle:

28,26÷2=14,13

so green area: 36 - 14,13 = 21,87 ft

nadya68 [22]3 years ago

5 0

Answer:

36 ft

Step-by-step explanation:

you have to do length times by your width

6x6=36

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Katie works part-time at a Fallbrook riding stable she makes $5 an hour for exercising horses and $10 an hour for cleaning stall

Nookie1986 [14]

In order to at least earn $90, Katie can work exercising horses for 6 hours and cleaning stalls for 6 hours.

Step-by-step explanation:

Let hours of exercising horses be x --> $5 per hour = 5x

Let hours of cleaning stalls be y --> $10 per hour = 10y

Total earning = $\geq 90$

Total hours = 12

Equation 1:

5x + 10y = $\geq 90$

Equation 2:

x + y $\leq 12$

1. Multiply equation 2 by -5

x + y $\leq 12$ (*-5)

5x + 10y = $\geq 90$

-5x - 5y $\leq -60$

5x + 10y = $\geq 90$

2. Solve

-5x + 5x -5y + 10y = -60 + 90

5y = 30

y = 6

x + y = 12

x + 6 = 12

x = 6

Therefore, in order to at least earn $90, Katie can work exercising horses for 6 hours and cleaning stalls for 6 hours.

Keywords: Simultaneous, hours, equations

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4 years ago

Given cscx =-5/2 between 270 and 360 find sin2x

ICE Princess25 [194]

Hello :
cscx = -5/2
1/sinx =-5/2
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but : sin2x =2sinx cosx
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sin2x = (-4√21)/25

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Georgia [21]

Answer:

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Step-by-step explanation:

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