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77julia77 [94]
3 years ago
9

Which second degree polynomial function has a leading coefficient of –1 and root 4 with multiplicity 2?

Mathematics
1 answer:
Firlakuza [10]3 years ago
4 0

Answer:

f(x) = -x² + 8x - 16

Step-by-step explanation:

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$ 20,000 is invested at a rate of 5% compounded quarterly. Identify the compound interest function ta model the situation. Then
liq [111]

Answer:

the balance after 5 years is: 26540.744

Step-by-step explanation:

Given the information:

  • P = initial balance  = $ 20,000
  • r = interest rate (decimal)  = 5% = 0.05
  • n = number of times compounded annually  = 4
  • t = time  = 5

We have the compound interest function ta model the situation is:

A=P(1+\frac{r}{n} )^{nt}

<=> A = 20000(1+\frac{0.05}{4} )^{4*5}

<=> A = $26540.744

Hence, the balance after 5 years is: $26540.744

7 0
3 years ago
HELP HELP HELP HELP HELLPP
Veronika [31]
The rectangular prism has the greatest volume

Rectangular Prism Volume= 72
Triangular Prism Volume = 70

Volume formulas:
(R.Prism) V=l•w•h
(T. Prism) V= b•h

Work:
(R.Prism)

V= 4•6•3
V= 72

(T.Prism)

V= (1/2•4•5)(7)
V= 70

Hope this helps
4 0
3 years ago
Given that ABCD~JKLM <br> find the ratio of the perimeter of ABCD to JKLM
Westkost [7]

Answer:

The ratio of the perimeter of ABCD to JKLM is;

b. 3/5

Step-by-step explanation:

Given that ABCD ~ JKLM, where;

DC and ML are corresponding sides

AD and JM are corresponding sides

AB and JK are corresponding sides

Therefore;

DC/ML = AD/JM = AB/JK

Plugging in the values of the variables gives;

9/15 = z/10 = x/12

∴ z = 10×9/15 = 6

x = 12×9/15 = 7.2

9/15 = 6/y

y = 6 ×15/9 = 10

The perimeter of the quadrilateral ABCD = AB + BC + DC + AD

∴ The perimeter of the quadrilateral ABCD = 6 + 6 + 9 + 7.2 = 28.2

The perimeter of the quadrilateral JKLM = JK + JM + ML + LK

∴ The perimeter of the quadrilateral JKLM = 12 + 10 + 15 + 10 = 47

The ratio of the perimeter of ABCD to JKLM = 28.2/47 =0.6 = 3/5.

4 0
3 years ago
A tablet and a digital camcorder are both on sale for 30% off. The regular price of the tablet is $185. The regular price of the
Katarina [22]

Answer:

355

Step-by-step explanation:

185+140= 325

325+20= 355

3 0
3 years ago
Read 2 more answers
Show that the function f(x)= integral from x to 3x 1/t ft is constant on the interval (0, positive infinity)
jarptica [38.1K]
\int\limits^{3x}_x { \frac{1}{t} } \, dt
integrate to get
[ln|t|]^{3x}_x=ln|3x|-ln|x|=ln| \frac{3x}{x}| =ln |3|=ln(3)
this only is true when x>0
when x turns negative, we get -ln(3) because of math
5 0
3 years ago
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