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strojnjashka [21]
3 years ago
5

Need help solving these 3 equations, please help.

Mathematics
1 answer:
pantera1 [17]3 years ago
3 0
1.) r=-1/3
2.) x=-33/29
3.) x=-4/5 x=2/5
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I need help with this function
viva [34]
f(x)=3x^2+1\\
g(x)=2x+2\\\\
y=2x+2\\
2x=y-2\\
x=\dfrac{1}{2}y-1\\
g^{-1}(x)=\dfrac{1}{2}x-1\\\\
(f\cdot g)(x)=f(x)\cdot g(x)\\\\
(f\cdot g^{-1})(2)=(3\cdot2^2+1)(2\cdot2+2)\\
(f\cdot g^{-1})(2)=(12+1)\cdot6\\
(f\cdot g^{-1})(2)=13\cdot6\\
(f\cdot g^{-1})(2)=78

5 0
3 years ago
Simplify the algebraic expression:<br><br> 5(x + 2) + 2(x - 3)
aliya0001 [1]

Answer:

7x+4

Step-by-step explanation:

3 0
3 years ago
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Combine the like terms in the expression. Drag the item from the item bank to its corresponding match.
Andrei [34K]
A ) 5x^3 - 6x^4
B ) 11x^4 - 13x^3
C ) 14^x3 - 2x^4
D ) 2x^4 - 12x^3
E) 5x^4 - 3x^3
I believe this is all right!
8 0
3 years ago
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Why is P(A) •P(B/A) = P(B) • P(A/B)<br> HELP ME QUICK ASAP
Gala2k [10]

Answer:

rawrrrrrrrrrrrrrrrrr

Step-by-step explanation:

Why is P(A) •P(B/A) = P(B) • P(A/B)

P/B + P = A

P/B/P

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6 0
2 years ago
Write 1.49 x 10^-7 in standard form
Eduardwww [97]

Answer:

1.49

Step-by-step explanation:

1.49 \times 0.0000001 = 0.000000149 = 1.49

in this problem you also need to use scientific notation period to do scientific notation you need to go to the first non-zero digit after the decimal . and in this case that is one next thing you do is put the next numbers after the decimal that you just put in front of the one which is 49 in this case and that gives you your answer of 1.49

6 0
4 years ago
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