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Rasek [7]
4 years ago
15

How much water will be needed to fill a cubic hot tub that has one side with an

Mathematics
1 answer:
ale4655 [162]4 years ago
3 0

Answer:

Step-by-step explanation:

A pool calculator, or a few simple equations, will give you the ... chemicals into your pool willy nilly, you need to know how much to use. .... key part of your equations is this: One cubic foot of water contains 7.5 ... Rectangular or Square Pool Volume ... 3.14 × 144 × 4 × 7.5 = 13,564.8 gallons ...

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Anthony cut a piece of metal that weigh 2700 grams Diane cut a piece of metal that weighs 3200 grams how much heavier was Diane
Lyrx [107]
2700 grams is 2.7 kilograms 
3200 grams is 3.2 kilograms 
3.2-2.7=.5 kilograms 
Hope this helped!
5 0
3 years ago
Jared also gathered data from a competing real estate broker's office.
Rudiy27

Answer:

heyy

Step-by-step explanation:

6 0
3 years ago
Serenity used an iPhone to take a photo of the flagpole. In the photo, the flag pole has a height of 3 inches. If the photo used
sergejj [24]
The flag pole is 9.75 feet tall
3 0
3 years ago
Read 2 more answers
Which polar equation represents an ellipse?
tatuchka [14]

Answer:

r=\frac{1}{3+2cos\theta}

Step-by-step explanation:

Let us write the equations in standard form:

r=\frac{1}{3+2cos\theta} \implies r=\frac{\frac{1}{3} }{1+\frac{2}{3}\cos \theta }

We have

e=\frac{2}{3}\: and

 ep=\frac{1}{3}

Since the eccentricity  of this conic is less than 1, the conic represents an ellipse.

The second equation is r=\frac{3}{2+3\sin \theta}.

This is a hyperbola, because eccentricity is more than 1.

The third equation is r=\frac{5}{2+2\sin \theta}.

This is a parabola, because eccentricity is  1.

The fourth equation is r=\frac{2}{2-3\sin \theta}.

This is also a hyperbola, because eccentricity is more than 1.

5 0
4 years ago
Does anyone know how to do number 18????
AnnyKZ [126]

Answer: angle ITU = 145 degrees

===============================================

Explanation:

Angle STU is the largest angle composed of the smaller angles STI and ITU.

In other words, the two smaller angles add up to the larger one.

(angle STI) + (angle ITU) = angle STU

( 20 ) + ( 12x+1 ) = 13x + 9

20+12x+1 = 13x+9

12x+21 = 13x+9

21-9 = 13x-12x

12 = x

x = 12

Using this x value, we find that,

angle ITU = 12x+1 = 12(12)+1 = 145 degrees

----------

As a side note,

angle STU = 13x+9 = 13(12)+9 = 165 degrees

This is confirmed with

(angle STI) + (angle ITU) = (20) + (145) = 165 = angle STU

3 0
3 years ago
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