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11111nata11111 [884]
3 years ago
7

Find the total surface of a cylinder with a diameter of 8km and height of 7km

Mathematics
1 answer:
Pani-rosa [81]3 years ago
4 0

Answer:

A≈276.46km²

d Diameter

8

km

h Height

7

km

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(9)/(16) x^(2)+7.5x=-25
almond37 [142]

Answer:

Move all terms to the left side and set equal to zero. Then set each factor equal to zero.

Exact Form:

x= −20/3

Decimal Form:

x= −6.66...

Mixed Number Form:

x= −6  2/3

Step-by-step explanation:

6 0
3 years ago
Which is the solution set to the inequality (4x-3)(2x-1)>0?
Lapatulllka [165]
Set each factor equal to 0
4x-3 = 0
2x-1 = 0

Solve for x.
4x-3=0
4x=3
x= 3/4

Solve for x. 
2x-1= 0
2x= 1
x= 1/2

Eventually after a few more steps, your answer should be 1/2 is less than or equal to x and 3/4 is greater than or equal to x

4 0
3 years ago
Read 2 more answers
What value of x is in the solution set of 3(x – 4) = 5x + 2?
yan [13]

Answer:

-5?

Step-by-step explanation:

3(x - 4) = 5x - 2

3x - 12 = 5x - 2

3x - 5x = -2 + 12

-2x = 10

x = -5

4 0
4 years ago
Read 2 more answers
Help please and thank you!
Usimov [2.4K]

Answer:

Option A

Explanation:

\rightarrow \sf sin\left(\dfrac{7\pi }{6}\right)

\rightarrow \sf \sin \left(\pi +\dfrac{\pi }{6}\right)

\rightarrow \sin \left(\pi \right)\cos \left(\dfrac{\pi }{6}\right)+\cos \left(\pi \right)\sin \left(\dfrac{\pi }{6}\right)

\rightarrow \sf 0 *  \dfrac{\sqrt{3}}{2}+\left(-1\right) * \dfrac{1}{2}

\rightarrow \sf -\dfrac{1}{2}

7 0
2 years ago
F(x)=2x-1<br> g(x)=3<br> h(x)=x²+1<br><br> Compute the following:<br> Find f(3)
inn [45]
If f(x)=2x-1 just plug in the 3 where x is. So it would be 2(3)-1=5
6 0
3 years ago
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