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vlabodo [156]
3 years ago
8

Help plz..And No links!! I repeat No links!!

Mathematics
1 answer:
loris [4]3 years ago
3 0

Answer:

The answer is 276.32 square yards.

Step-by-step explanation:

To solve for the surface area of a cylinder, use the surface area of a cylinder formula, which is SA= 2\pirh + 2\pir^{2}. However, instead of using (\pi), 3.14 will be used.

Next, plug in the information from the question into the formula. The formula will look like SA= 2(3.14)(4)(7) + 2(3.14)(4^{2}). Then, solve the equation, and the final answer will be 276.32 square yards.

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An official NBA basketball has a circumference of 29.5 inches. Determine how much leather is required to make an NBA basketball.
tekilochka [14]

Answer:

To first find the volume of the sphere, you need to first find the radius. To find this, you take the circumference of 29.5 inches and divide by pi to get the diameter.

Then divide the diameter by 2 to get the radius.

So we get a radius of about 4.70.

Then we use the formula for the volume of a sphere which is

Substituting in R for 4.69........, we get

Rounded to the nearest inch, we get 434 inches cubed.

Step-by-step explanation:

so the awnser is 434 pleaase mark me brainliest

3 0
2 years ago
What is the relationship between the lines determined by the following two equations?
-BARSIC- [3]

Answer:

D

Step-by-step explanation:

to determine the relationship between these two lines you have to find the slope.

=> if they have the same slope ,then they are parallel.

=> if they have negative inverse slope relative to each other ,then they are perpendicular.

=> if the slope for both equations is neither of the above cases ,then the two equations are neither parallel nor perpendicular.

so if we divide the first equation by 3 which is the commen factor for the whole equation and arrange it in the form y=mx +b it would give us y =5x +4. and since the two have the same slope which is 5 ,then we can conclude they are <u>parallel lines.</u>

6 0
2 years ago
Let f(x) = - 4x + 5. Find and simplify f(3a-4).<br> f(3a-4)=<br> (Simplify your answer.)
ludmilkaskok [199]

Answer:

-12a+21

Step-by-step explanation:

-4*(3a-4)+5

-12a+16+5

-12a+21

4 0
3 years ago
Pls help me on this i don't know what to do ​
Katarina [22]

Answer:

\text{A. The zeroes are 8 and -4, because }y=(x-8)(x+4)

Step-by-step explanation:

x^2-4x-32=0,\\(x-8)(x+4)=0,\\\begin{cases}x-8=0, x=\boxed{8},\\x+4=0, x=\boxed{-4}\end{cases}

8 0
4 years ago
Please help! Serious answers only or I will report
Kazeer [188]

Step-by-step explanation:

Opposite means opposite sign.

Reciprocal means inverse (flip the fraction).

The opposite reciprocal of 2/5 is -5/2.

4 0
3 years ago
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