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max2010maxim [7]
3 years ago
11

Find the surface area of a cylinder with a diameter of 4 cm, and a height of

Mathematics
1 answer:
4vir4ik [10]3 years ago
3 0

Answer:

125.66

Step-by-step explanation:

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Please help me with this
Ne4ueva [31]

Answer:

Option c

Step-by-step explanation:

A system of equations are given to us. And we need to solve them . The given system is

\begin{cases} y = 2x - 3\dots 1 \\ y = x^2 - 3\dots 2 \end{cases}

We numbered the equations here . Now put the value of equation 1 in equation 2 that is substituting y = 2x - 3 in eq. 2 .

\implies y = x^2 - 3 \\\\\implies 2x - 3 = x^2 - 3 \\\\\implies x^2 - 2x = 0 \\\\\implies x(x-2) = 0 \\\\\implies\red{ x = 0 , 2 }

We got two values of x as 0 & 2 . Alternatively substituting these values we have ,

\implies y = 2 x - 3 \\\\\implies y = 2(0)-3 \qquad or \qquad y = 2(2)-3 \\\\\implies y = 0-3 \qquad or \qquad 4 - 3 \\\\\implies \red{ y = -3 , 1 }

Thefore the required answer is ,

\red{Option\:c} \begin{cases} (0,-3) \\ (2,1) \end{cases}

4 0
2 years ago
Read 2 more answers
Pls help<br> Picture in down here
Liula [17]

Answer:

1/7 is less than 7/12

Step-by-step explanation:

please mark me as brainlest

6 0
2 years ago
Read 2 more answers
Which is a true statement about the data shown in the tables?
myrzilka [38]

Answer:

D

Step-by-step explanation:

Neither table os a linear relation

8 0
2 years ago
Read 2 more answers
Solve |t+4| &gt; 10
diamong [38]
For
|a|>b
assume
a>b and a<-b

|t+4|>10
assume
t+4>10 and t+4<-10
solve each
minus 4 both sides

t>6 and t<-14


A is answer

7 0
3 years ago
The formula for the perimeter, P, of a rectangle is P = 2L + 2w, where L is the length and W is th width sovle the formula for t
vichka [17]

                                 P  =  2L + 2w

Subtract  2L
from each side:          P - 2L  =  2w

Divide each side
by  2 :                        (P - 2L) / 2  =  w

You could also write it as      (P/2  -  L)  =  w
Both answers are the same.

4 0
3 years ago
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