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Amiraneli [1.4K]
4 years ago
14

calculate the volume of a cylinder whose height is (2x-5) inches and whose base has a radius of (x-5) inches round your answer t

o the nearest tenth of a cubic inch
Mathematics
1 answer:
Natasha_Volkova [10]4 years ago
8 0
V=(1/3)hpir^2
aprox pi to 3.14 fo this problem
v=(1/3)(2x-5)(3.14)(x-5)^2
v=(1/3)(2x-5)(3.14)(x^2-10x+25)
v=(1/3)(3.14)(2x^3-25x^2+100x-125)
v=(1/3)(6.28x^{3}-78.5x^{2}+314x-392.5)
v=\frac{6.28x^{3}-78.5x^{2}+314x-392.5}{3}
and since we don't know what x,height, or radius or diameter or surface area or anything about the cylinder, we can't solve

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If Toni is trying to calculate her net worth, which of the following items would go on the liabilities list? *
Bezzdna [24]

Answer:

B.Her Mortgage

Step-by-step explanation:

The net worth is the value that left after deducting the liabilities from the assets

Here as per the given options, the original sale price of the car, saving account balance and the value of her 401(k) plan is an asset

While the liabilities is the mortgage that took by her as she has to repay the amount taken by the financial insititution. It is her responsibility to pay back all the dues to the bank

Therefore the option B is correct

8 0
3 years ago
Please help me out please
N76 [4]
You can solve this since you can develop 3 equations for your 3 unknowns. Each equation is made using the Pythagorean theorem:

1) x^2 = y^2 + 16^2
2) z^2 = y^2 + 4^2
3) (16 + 4)^2 = z^2 + x^2

Simplifying the above we get:

1) x^2 = y^2 + 256
2) z^2 = y^2 + 16
3) 400 = z^2 + x^2

We want to solve for z. There are several ways but an easy one is with substitution. Start by rearranging 2) and 3) like this:

2’) y^2 = z^2 - 16
3’) x^2 = 400 - z^2

Now we have expressed x and y in terms of z. Plug these values into the unused equation, 1), to solve for z:

1’) 400 - z^2 = z^2 - 16 + 256
2z^2 = 160
z^2 = 80
z = √80
z = √(16)(5)
z = 4√5
3 0
3 years ago
Please help me ASAP!
Snezhnost [94]

Answer:

y = 6.5

Step-by-step explanation:

     When triangles are similar, we can set up a proportion to compare the sides. I will have the "left" side on the bottom of the fractions, and the side I am solving for on the top.

 \frac{y}{6} =\frac{13}{12}

[Cross multiply]

12y = 78

y = 6.5

Have a nice day!

     I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly.

- Heather

7 0
3 years ago
A piece of equipment is purchased for $18,000 & has a salvage value of $2,000. The estimated life is 10 years & the meth
Travka [436]

Answer:

The total value would be 17,210.

8 0
3 years ago
What is the center and radius of the circle with the equation x2 + y2 – 10x – 12y + 36 = 0 ?
Gennadij [26K]
X² + y² - 10 x - 12 y + 36 = 0
( x² - 10 x + 25 ) + ( y² - 12 y + 36 ) - 25 - 36 + 36 = 0
( x - 5 )² + ( y - 6 )² = 25
( x - 5 )² + ( y - 6 )² = 5²
Answer:
The center:  ( 5, 6 ),  the radius:  r = 5 
5 0
4 years ago
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