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worty [1.4K]
3 years ago
9

If coefficients aren’t equal or opposite, you can do a little manipulation so that you can still use the elimination

Mathematics
1 answer:
Neporo4naja [7]3 years ago
5 0

Answer: True

Step-by-step explanation

A-p-e-x

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Tyler is building a fish tank in the shape of a sphere that has a diameter of 14 inches. Based on Tyler's research, it is recomm
Charra [1.4K]

Answer:

Tyler should buy 2 goldfishes for his fish tank,

Step-by-step explanation:

First let's find the volume of the sphere, using the following equation:

Volume = (4/3) * \pi * radius^3

The radius is half the diameter, so the radius is 14/2 = 7 inches

Now, finding the volume, we have:

Volume = (4/3) * \pi * 7^3

Volume = 1436.75\ in^3

Now, we know that we need to have 1 goldfish for every 693 in3 of water, so to find the number of goldfishes, we just need to divide the volume of the sphere by 693 (and round down the result if needed):

Number\ of\ goldfishes = 1436.75 / 693 = 2.07 = 2\ goldfishes

Tyler should buy 2 goldfishes for his fish tank,

3 0
3 years ago
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Please help with math question!!
mihalych1998 [28]
The answer to this problem is C.
Here's why:
The area of a triangle = 1/2 * (base) * (height) (Note: a triangle is half of a rectangle, and rectangles have Area = (base) * (height)) 

<span>Because the base of ΔAED is half of ΔACB (2 = (1/2) * 4), and height of ΔAED is half of ΔACB (3 = (1/2) * 6), we know that the area of ΔAED will be half of ΔAED. 
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So, it's C. I am sure =)
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Have a nice day!

5 0
3 years ago
What is the approximate area of a circle whose radius is 3 m long? (Use 3.14 for pi.)
VashaNatasha [74]
Area of a circle (formula) = \pir²
                                        =(3)²\pi
                                        =9\pi    (using 3.14 as \pi)
                                        =28.26 m²
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3 years ago
Find the value of x in the given
qwelly [4]

Answer:

x=8

Step-by-step explanation:

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3 years ago
On earth, a kilogram is equivalent to 2.2 pounds.<br><br> [True]<br> or<br> [False]
Bond [772]
False one pound is equal to less than one kilo
3 0
3 years ago
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