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KIM [24]
3 years ago
10

1. Change into decimal number.

Mathematics
1 answer:
alexdok [17]3 years ago
7 0
Naguguluhan ako sa tanong mo po
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3(x+4)=5(x-2) I really need help i have no idea how to do it
Oksana_A [137]

<u>answer:</u>  x = 11

<u>work:</u>

3(x+4)=5(x-2)  | distribute 3 and 5 into the parentheses.

3x + 12 = 5x - 10  | subtract 5x and move it over to 3x, and solve.

-2x + 12 = -10  | subtract 12 and move it over to -10, and solve.

-2x = -22  | divide by -2.

x = 11  | final answer.

hope this helps! ❤ from peachimin

6 0
3 years ago
Read 2 more answers
Hello can someone explain to me how to do this?
wel
A)
you square both sides
by squaring the left side, you get rid of the square root leaving only x one that side. But you also need to square the other side because whatever you do to one side you have to do to the other.

Answer: x=o/a^2

b)
To get o on its own on one side you multiply a. You basically do the opposite of what a originally does to cancel it out. So originally, a is dividing o so if you do the opposite, a will multiply on both sides.

a X o cancels out the a, leaving only o.
But whatever you do to one side, you have to do to the other. so Vx (square root of x) has to also be multiplied by a.

Answer: Vx X a=o

c) this is basically the same as b).

apply what i said in b) to this and you will get your answer

to cancel out o, you multiply both sides by o.
because o is getting divided, you will have to do the opposite which is multiply o.

Answer: Vx X o=a





3 0
3 years ago
A2 +152=252<br> 225=625<br> i am stuck her i forgot the rest
SIZIF [17.4K]
Not sure about the second part but

2a+152=252
subtract 152 from both sdies
2a=100
divide both sdies by 2
a=50
5 0
3 years ago
If a gymnasium is 80 feet long and 60 feet wide, what will the distance be between opposite corners
Advocard [28]

Answer:

140

Step-by-step explanation:

5 0
3 years ago
The table below shows four systems of equations:
fredd [130]
<span>System 1 and system 2, because the second equation in system 2 is obtained by adding the first equation in system 1 to two times the second equation in system 1

This is the correct answer because not only is it true but it also follows the property of solving systems of equations with adding the equations. To prove that it is true:

2nd equation in system #2 = 1st equation in system #1 + 2(2nd equation in system #1)

 </span>10x − 7y = 18 == 4x − 5y = 2 + 2(<span>3x − y = 8)
10x - 7y = 18 == 4x - 5y = 2 + 6x - 2y = 16
10x = 7y = 18 == 10x - 7y = 18</span>
5 0
3 years ago
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