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allochka39001 [22]
2 years ago
15

Please help ME I NEED THIS also theres a photo

Mathematics
2 answers:
kondaur [170]2 years ago
5 0
I would put d for the answer
JulsSmile [24]2 years ago
5 0
The answer is x=cd-by/a
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What is the first step in solving for zin equation 5z - 4 = 26
aksik [14]

Answer:

add 4 on both sides

Step-by-step explanation:

7 0
3 years ago
Prove that the recurring decimal 0.39 = 13/33
Tcecarenko [31]
x=0.\overline{39}\\100x=39.\overline{39}\\
100x-x=39.\overline{39}-0.\overline{39}\\
99x=39\\
x=\dfrac{39}{99}=\dfrac{13}{33}

8 0
3 years ago
Find g^−1 (x) when g(x) = 3/5 x −9.<br><br>5/3x − 1/9<br>5/3 x + 9<br>−3/5 x+ 9<br>5/3 x + 15
Cerrena [4.2K]

Answer:

5/3 x + 15

Step-by-step explanation:

The inverse of a function is the reflection across the line y = x. As such, algebraically it is found by switching y and x in the equation and isolating to solve for y.

g(x) = 3/5 x - 9

x = 3/5 y - 9

x + 9 = 3/5 y

5(x+9) = 3y

(5x + 45)/3 = y

5/3x + 15 = y

8 0
3 years ago
Which of the following are roots of the following polynomial x^3-11x^2+33x+45
Mandarinka [93]
For x^3-11x^2+33x+45 , we can make it an equation so <span>x^3-11x^2+33x+45=0. Next, we can find out if -1 or -3 is a factor. If -1 is a factor, than (x+1) is factorable. Using synthetic division, we get 

      x^2-12x+45
       ___ ________________________
x+1 | x^3-11x^2+33x+45

      - (x^3+x^2)
       _________________________
            -12x^2+33x+45
          - (-12x^2-12x)
          ______________
            45x+45
         -(45x+45)
___________
0


Since that works, it's either B or D. We just have to figure out when
</span> x^2-12x+45 equals 0, since there are 3 roots and we already found one. Using the quadratic formula, we end up getting (12+-sqrt(144-180))/2=
(12+-sqrt (-36))/2. Since sqrt(-36) is 6i, and 6i/2=3i, it's pretty clear that B is our answer
8 0
3 years ago
It is estimated that each guest at a party will eat 4/9 pounds of chocolates. How many guest can be served
Alex_Xolod [135]
7 out of 12 pounds of chocolate
5 0
2 years ago
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