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geniusboy [140]
3 years ago
14

Solve for X!? PLEASE HELP MEE!!!!!!!

Mathematics
2 answers:
IgorC [24]3 years ago
7 0
4x = 2x + 30
6x = 30
x = 5
zepelin [54]3 years ago
3 0

Answer:

x=15

Step-by-step explanation:

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What is the equation of the circle center (0, 3) and radius 4?
Sunny_sXe [5.5K]

Answer:

( x )² + ( y - 3 )² = 16

Step-by-step explanation:

The general format for circular equations is ( x - a )² + ( y - b )² = r²

3 0
3 years ago
Read 2 more answers
PLEASE HELP!! what is the surface area of a cylinder with a radius of 7 and a height of 32? Note: Answer must not be fraction or
Anton [14]

Area = 2pi*r*h + 2pi*r^2
Area = 2pi*r(h + r)
 
radius of 7 in and a height of 32 in


 Area = 14pi*39 = 546pi in^2

8 0
4 years ago
What does 4m^2 +5m if m=-2 equal?
Crazy boy [7]

Answer:

-26

Step-by-step explanation:

tell me if im right and please brainliest

5 0
3 years ago
Find the value of each determinant
Ksenya-84 [330]

Answer:

−4304

Step-by-step explanation:

1. The given determinant is :

\begin{vmatrix}7 &31 \\  142& 14\end{vmatrix}

We need to find its determinant . It can be solved as follows :

\begin{vmatrix}7 &31 \\  142& 14\end{vmatrix}=7(14)-142(31)\\\\=-4304

So, the value of determinant is equal to −4304.

6 0
3 years ago
Pleaeeeeeeeeeeeeeeeeeeeeeeeeeeee
LekaFEV [45]
4.) 2(x-1)+3= 2x+1

Distribute the 2, multiply the 2 by x and -1.

2*x= 2x (all you need to do is put 2 in front of x)

2*-1= -2

2x-2+3= 2x+1

Combine like terms. 

2x+1=2x+1

Subtract one on both sides. 

2x=2x

Divide by 2 into both sides. 

x=1

We can check this by plugging it in. 

2(1-1)+3= 2(1)+1
2(0)+3= 2+1
0+3=3
3=3 <== this works

I hope this helps!
~kaikers

4 0
3 years ago
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