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RideAnS [48]
3 years ago
12

A pool has 3,500 gallons of water in it. it is draining at a rate of 30 gallons per minute and is now left with 25 gallons. how

long did the pool drain for? write and solve an equation.
can someone help with this? i don't know how to solve it. ^
Mathematics
1 answer:
eduard3 years ago
7 0

Answer:

this is garbage you will never use

Step-by-step explanation:

#fuuuuuckmath

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One interior angle of a parallelogram is 65 degrees . If the remaining angles have measures of a,b and c, what is the value of a
Irina18 [472]

Answer:

65 + 65 = 130

360 - 130 = 230 degrees

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antoniya [11.8K]
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The figure the Floor Plan of a balcony ,it consists of △ABC and semi-circle ,
ivanzaharov [21]

Step-by-step explanation:

(a) In right triangle ABC,

AC^2 =AB^2 +BC^2  \\  =  {12}^{2} +  {5}^{2}   \\  = 144 + 25 \\  = 169 \\  AC =  \sqrt{169}  \\  \therefore \: AC =  13\: m \\  \\ AC \: is \: the \: diameter \: of \: semicircle \\  \therefore \: r =  \frac{1}{2} \times  AC = \frac{1}{2} \times 13 = 6.5 \: m \\  Circumference \:of \:semi-circle \\ C = \pi \: r = 3.14 \times 6.5 = 20.41 \:m\:

Perimeter of Balcony = 12 + 5 + 20.41 = 37.41 m

(b) Area of balcony

=\frac{1}{2}\times 12\times 5+\frac{1}{2} \pi r^2 \\\\=\times 6\times 5+\frac{1}{2} \times 3.14\times (6.5)^2 \\\\=30+\frac{1}{2} \times 3.14\times42.25\\\\= 30+\frac{1}{2} \times 132.665\\\\= 30 + 66.3325\\\\= 96.3325 \:m^2 \\\\\approx 96. 33\:m^2

8 0
4 years ago
A square tablecloth covers an area of 256 sq in it is folded in half some times until the area it covers is 8 sq in how many tim
Mazyrski [523]

Answer:              

8

Step-by-step explanation:

I solved it meantally, sorry if it’s wrong, if it is, I’ll give you the correct answers, let me know in the chat if it’s right or wrong.

4 0
3 years ago
The average length of a dolphin is 111 inches. What is this length in feet and inches whoever get it right first gets brainlest
umka2103 [35]

Answer:

C

Step-by-step explanation:

9 foot = 108 inches

108 + 3 inches = 111

Brainliest pls

3 0
3 years ago
Read 2 more answers
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