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Ira Lisetskai [31]
2 years ago
5

Next Combining Functions: Mastery Test

Mathematics
1 answer:
dexar [7]2 years ago
6 0

Answer:

D is closest

Step-by-step explanation: Snap add?

1. f(x)*g(x)

\sqrt{x^{2}+12x+36}*x^{3}-12

(x^{2}+2\sqrt{3}x+6)*(x^{3}-12)

(x^{3}-12)(x^{2}+2\sqrt{3}x+6)

(x^{3}-12)(x^{2}+2\sqrt{3}x+6)\\\\x^5+2\sqrt{3}x^4+6x^3-12x^2-24\sqrt{3}x-72\\

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Thę grades on a math midterm at Springer are roughly symmetric with u = 72 and 0 = 4.5.
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6 0
2 years ago
Please show me how to solve for Xsquared - 21.75X = -15.75. I have the solution but do not know how to solve it.
Andreas93 [3]
x^2-21.75x=-15.75 \\
x^2-21.75x+15.75=0

Use the quadratic formula:
x^2-21.75x+15.75=0 \\ \\
a=1 \\ b=-21.75 \\ c=15.75 \\ b^2-4ac=(-21.75)^2-4 \times 1 \times 15.75=473.0625-63=410.0625 \\ \\
x=\frac{-b \pm \sqrt{b^2-4ac}}{2a}=\frac{-(-21.75) \pm \sqrt{410.0625}}{2 \times 1}=\frac{21.75 \pm 20.25}{2} \\
x=\frac{21.75-20.25}{2} \ \lor \ x=\frac{21.75+20.25}{2} \\
x=\frac{1.5}{2} \ \lor \ x=\frac{42}{2} \\
x=\frac{15}{20} \ \lor \ x=21 \\
x=\frac{3}{4} \ \lor \ x=21 \\
\boxed{x=\frac{3}{4} \hbox{ or } x=21}
3 0
3 years ago
What is the least number that 1/3 and 3/4 can be divided by
yanalaym [24]
The correct answer is 4
8 0
2 years ago
Please help ive been stuck!!
Kobotan [32]
I would say no, if you follow the lines on the graph, 12 on the x axis and 5 on the Y axis they are not within the range indicated in gray.
8 0
3 years ago
Is the expression 5 (3m+2p) -4m equivalent to the expression 13p+11m-3p?
Aleksandr [31]
 5 (3m+2p) -4m= 15m +10p -4m
=11m +10p
--------------------------------------------------------
13p+11m-3p=10p -11m
-----------------------------------------------------------
Yes, 5 (3m+2p) -4m is  equivalent to the expression 13p+11m-3p as i worked out for you.. Hope this helps you!!! =')

7 0
3 years ago
Read 2 more answers
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