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Zarrin [17]
3 years ago
14

A rotating sprinkler waters the lawn outside the lodge at Oak Tree State Park. The sprinkler rotates in a full circular path and

normally sprays water over a 4-meter radius. Due to a water main break near the park, the water pressure decreased slightly and the sprinkler only sprayed water over a 3-meter radius. How many square meters of lawn were not watered because of the decrease in water pressure? *
A, 5π square meters
B, 7π square meters
C, 9π square meters
D, 11π square meters
Mathematics
1 answer:
ki77a [65]3 years ago
7 0

Answer:

it is 7squere meters

Step-by-step explanation:

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lenny left home wih 2 hundred dollar bill he purchased 3 t-shirts each costing 39.50. how much change did he have left
vekshin1

Answer:

Change left = $81.50

Step-by-step explanation:

Total cost of 3 Tshirts = 3×39.50

= $118.50

To find the change

$200.00

- $118.50

= $81.50

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Step-by-step explanation:


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Thomas calculates 9×7 by thinking avout it as 70-7=63. Explain thomas' strategy.
madam [21]
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3 years ago
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I need help wit one & two please help
seropon [69]

23 is less than 25 which means it's closer to 20, so you would round it down to 20. 1.75 is over 0.50, 1/2, so you would round it up to 2. If you multiply 2 and 20 you would get 40.

Number two gets the same explanation just with different numbers.

3 0
3 years ago
Please help me 33/2 + 3y/5 = 7y/10 + 15
8090 [49]

We are given with an equation in <em>variable y</em> and we need to solve for <em>y</em> . So , now let's start !!!

We are given with ;

{:\implies \quad \sf \dfrac{33}{2}+\dfrac{3y}{5}=\dfrac{7y}{10}+15}

Take LCM on both sides :

{:\implies \quad \sf \dfrac{165+6y}{10}=\dfrac{7y+150}{10}}

<em>Multiplying</em> both sides by <em>10</em> ;

{:\implies \quad \sf \cancel{10}\times \dfrac{165+6y}{\cancel{10}}=\cancel{10}\times \dfrac{7y+150}{\cancel{10}}}

{:\implies \quad \sf 165+6y=7y+150}

Can be <em>further written</em> as ;

{:\implies \quad \sf 7y+150=165+6y}

Transposing <em>6y </em>to<em> LHS</em> and <em>150</em> to<em> RHS </em>

{:\implies \quad \sf 7y-6y=165-150}

{:\implies \quad \bf \therefore \quad \underline{\underline{y=15}}}

8 0
2 years ago
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