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alexdok [17]
3 years ago
15

I need help with this ASAP!!

Mathematics
2 answers:
Juli2301 [7.4K]3 years ago
8 0

Answer:

45

Step-by-step explanation:

Just plug in 12 wherever "z" is so,

5^2-\frac{12}{3} +2(12)    simplify the equation  ⇒ 25-4+24

25-4=21

21+24=45

subtract and add as needed and finally our answer is

45

stepladder [879]3 years ago
5 0
The answer to this would be 45
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If 10 percent of x is 20 what is 23 percent of x
Zarrin [17]
X = 200 because when finding 10% of s number we divide the number to 10. then you find 23 percent of 200. which is 46, because percentages are found out of 100 and 200 is 100 multiplied by 2. So we have to multiply 23 by 2. the answer is 46.
6 0
3 years ago
On Saturday a library checked out 52 books.if 24 of the books were fiction what is the ratio of nonfiction books to fiction book
alukav5142 [94]
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4 years ago
If 2x+y=8 and x-1=y then what is y? Please be detailed I want to know more then just the answer but how to solve
IgorLugansk [536]
This is Bridge Algebra 2 stuff. Well you see that 2x+y=8 and x-1=y. To slove for y you have to slove for x first to find y. So 2x+x-1=8 ( the reason I did that is because there is a y in that equation and I placed it on that equation) now lets slove this equation for x. So 3x-1=8( I add 2x with x) 3x=9 ( I made -1 a positive one and add it to 8) x=3 ( I divided 9/3 to get 3). Now that you have slove x we will use x to slove for y. So 3-1=y, 2=y. Your answer is y=2.
4 0
3 years ago
What is the x? please answer!
zzz [600]

Answer:

x = 2

Step-by-step explanation:

1. distribute 9 in 9(x+1)

9x + 9 = 25 + x

2. subtract x from the right side to isolate x onto one side

8x + 9 = 25

3. subtract 9 from the left side

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4. divide both sides by 8 to get x alone

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8 0
3 years ago
When 23 is subtracted from the square root of three times a number, the result is 16. find the number?
gizmo_the_mogwai [7]
(√3n)-23=16

Put all of the numbers without a variable on the right side of the equation
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Simplify 
<span>1.732051n</span>=<span>39
</span>
Divide 39 by 1.732051
n=<span>22.516658

Round
n=22.5</span>
8 0
3 years ago
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