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Sloan [31]
3 years ago
15

Let p=x^2-2 which equation is equivalent to (x^2-2)^2+18=9x^2-18 in terms of p

Mathematics
1 answer:
Bad White [126]3 years ago
6 0

Answer:

The equivalent equation is p^2 + 18 = 9p

Step-by-step explanation:

p is given by the following relation:

p = x^2 - 2

And we are given the following equation:

(x^2 - 2)^2 + 18 = 9x^2 - 18

On the right side, we can simplify. So

(x^2 - 2)^2 + 18 = 9(x^2 - 2)

Replacing x^2 - 2 by p, the equation is:

p^2 + 18 = 9p

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How do you work out 2/3 of 15? 4/5? of 20? 1/5 of 85? 1/8 of 96 2/5 of 65? 3/5 135? 4/5 of 200? 3/10 of 30? 3/10 of 25?
solniwko [45]

Answer:

Take your numerator times the whole number, then divide by the denominator. For example,

2x15= 30

30/3= 10

2/3 of 15 would be 10


8 0
3 years ago
Find the indicated term of the given arithmetic sequence.
Evgen [1.6K]
a_n=a_1+(n-1)d\\\\a_1=45;\ d=-6\\\\a_n=45+(n-1)\cdot(-6)=45-6n+6=51-6n\\\\\boxed{a_n=51-6n}\\\\n=8\\\\a_8=51-6\cdot8=51-48=3\\\\\boxed{a_8=3}\to\fbox{c.}
4 0
3 years ago
SoMeone do this pleaseeeee
Neporo4naja [7]

Answer:

0.33=33%

0.07=70%

5.43=543%

1.5%=1/5

3%=3

38%=3/8

Step-by-step explanation:

hope this helps if not please let me know

8 0
3 years ago
Help me again, please. ;w;
Alborosie

5x - 7y =58

y =-x +2


Using the substitution method, replace y in the first equation with the second equation:

5x - 7(-x+2) = 58

Simplify by using the distribution property:

5x - (-7x) - 14 = 58

Simplify by combining like terms:

12x -14 = 58

Add 14 from each side of the equation:

12x = 72

Divide both sides by 12:

X = 72/12

x = 6


Now you have x, replace x in the second equation and solve for y:

y = -x +2

y = -6 +2

y = -4


X = 6, y = -4




3 0
4 years ago
If 32% of a number is 64, what is the number?<br> A. 50<br> B. 96<br> C.<br> 100<br> D. 200
mote1985 [20]
Let’s call the number “n.” 0,32n=64 (32% is 32 per cent-, or per hundred), and n=64*100/32=100*2=200. Therefore, the answer’s D.
3 0
4 years ago
Read 2 more answers
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