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Travka [436]
2 years ago
7

72 + 8x + 18x = 36x

Mathematics
1 answer:
ArbitrLikvidat [17]2 years ago
4 0
72 + 8x + 18x = 36x
 

72+26x=36x
 

72=36x-26x
  \text{Subtract 26x from both sides} 

72=10x
 

\text{Divide both sides by 10} 

x=36/5
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How many solutions does the following system of equations have y=5/2x+2 2y=5x+8
irakobra [83]

Answer:

No solutions.

Step-by-step explanation:

If you normalize the second one by dividing by 2, you get:

y = 5/2x+4.

Now you see that both have the same slope (5/2). They are parallel lines that never intersect.

7 0
3 years ago
HELP WHAT IS THE ANSWERS
Temka [501]

Answer:   Letter Choice, (B)  ====>  4,256 pi cm^2


Step-by-step explanation:

<u>Formula: Surface Area of Cylinder  =   (2pi ) (r^2 )   +  2pi (r) (h)</u>



<u>Showing Work:</u>

<u>Radius  of the Base ===>  28cm</u>

<u>Height  =====>  48cm </u>

(2pi ) (r^2)    +   2pi (28)(48)

2 (pi) (r^2)     +    (circumference) (height)

2( pi) (r^2      +    2)( pi)(r)(h)

2 pi * (2) (r^2      +    (2)(r)(h)

2pi * (r^2        +       rh)

2(r)(pi)(r           +         h)

2( 28)(pi)(28       +       48)

56(pi)(76)

4256(pi)^2

<u>Therefore, Your Answer  ======>   Letter Choice; (B)  ======>  4,256pi cm^2</u>





Hope that helps!!!!!                                       : )


3 0
3 years ago
Find the equation of the line with slope 7 which goes through the point (-2,-9).
nexus9112 [7]

Answer:

y=7x+5

Step-by-step explanation:

y-y1=m(x-x1)

y-(-9)=7(x-(-2))

y+9=7(x+2)

y+9=7x+14

y=7x+14-9

y=7x+5

Please mark me as Brainliest if you're satisfied with the answer.

8 0
2 years ago
Exhibit 12-4 In the past, 35% of the students at ABC University were in the Business College, 35% of the students were in the Li
snow_lady [41]

Answer:

b. multinomial population

Step-by-step explanation:

The data is categorical and non-overlapping. That is, there are multiple options(either the student is in the Liberal Arts College, Business College or Education College), and he cannot be in more than one option.

So this is an example of a multinomial population.

The correct answer is:

b. multinomial population

7 0
3 years ago
Solve the system by substitution.<br> - 8x + y = -32<br> - 3x – 10 = y<br> (,)
agasfer [191]

Answer:

x=2,\:y=-16

Step-by-step explanation:

\begin{bmatrix}-8x+y=-32\\ -3x-10=y\end{bmatrix}\\\\\mathrm{Isolate}\:x\:\mathrm{for}\:-8x+y=-32:\quad x=-\frac{-32-y}{8}\\\\\mathrm{Subsititute\:}x=-\frac{-32-y}{8}\\\begin{bmatrix}-3\left(-\frac{-32-y}{8}\right)-10=y\end{bmatrix}\\\\Simplify\\\begin{bmatrix}\frac{3\left(-32-y\right)}{8}-10=y\end{bmatrix}\\\\\mathrm{Isolate}\:y\:\mathrm{for}\:\frac{3\left(-32-y\right)}{8}-10=y:\quad y=-16\\\\\mathrm{For\:}x=-\frac{-32-y}{8}\\\\\mathrm{Subsititute\:}y=-16\\x=-\frac{-32-\left(-16\right)}{8}\\

-\frac{-32-\left(-16\right)}{8}=2\\x=2\\x=2,\:y=-16

3 0
3 years ago
Read 2 more answers
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