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Nuetrik [128]
3 years ago
6

Write 2.31*10-^3 using scientific notation

Mathematics
1 answer:
Ludmilka [50]3 years ago
6 0
<span>2.31*10-^3 using scientific notation 
= 0.00231</span>
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Solve for x 12x/5 a.x=-71/2 b. x=71/2 c. x= 43 1/5
babunello [35]

Answer:

x  = - 12 6/7

Step-by-step explanation:

x - 12x/5= 18

Get a common denominator on the left

5/5 x -12/5x = 18

Subtract

-7/5 x = 18

Multiply each side by -5/7 to isolate x

-5/7 *-7/5 x = -5/7 *18

x = -5*18/7

x = -90/7

Changing this to a mixed number

7 goes into 90   1 2 times with 6 left over

x  = - 12 6/7


8 0
3 years ago
Read 2 more answers
Solve to find x and y in the diagram.
lesantik [10]

15x = 90

   x = 6


5(6) + 12y = 90

30 + 12y = 90

12y = 60

  y = 5

Answer: 3rd option

x =6, y = 5

5 0
4 years ago
According to the Rational Root Theorem, which function has the same set of potential rational roots as the function g(x) = 3x5 –
elena55 [62]

Answer:


Step-by-step explanation:

Given is an algebraic polynomial of degree 5.

g(x) = 3x^5-2x^4+9x^3-x^2+12\\

Here leading term is p=3 and constant term is q =12

Factors of p are ±1,±2,±3

Factors of q are \frac{±1,±2,±3,±4,±6,±12} \\

Possible forms of p/q will be the same for any other polynomial of degree 5 with leading term =3 and constant term = 12

Hence any other polynomial

g(x) = 3x^5+ax^4+bx^3+cx^2+12

will have same possible zeroes of p/q, when a,b,c are rational.

Hence any polynomial of this type would have the same possible rational roots.

7 0
4 years ago
Combine like terms.<br> 9y2 + 9(7y2-5) =<br> I need this for now please
nataly862011 [7]

Answer:

72y2-45

Step-by-step explanation:

9y2 + 9(7y2 - 5)

you multiply the 9 by the stuff in the parentheses

9y2 + 63y2 - 45

72y2-45

7 0
3 years ago
What are the solutions for the equation (x-3)^2+2(x-3)-8=0
Slav-nsk [51]

IIIIIIIIIIIIIIIIIIIIIIIIII HHHHHHHHHHAAAAAAAAAAAVE NOOOO CLUE

8 0
3 years ago
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