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DiKsa [7]
3 years ago
6

Use the circular mirror shown.

Mathematics
1 answer:
ANTONII [103]3 years ago
5 0

Answer:

907.46 in²

Step-by-step explanation:

mirror = 3.14x15x15=706.5

mirror with frame = 3.14x17x17 = 907.46 in²

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F(x+1)+f(x+2)=2x+3; f(x)=?
Rama09 [41]

Answer:

F=\frac{-xf+f+2x}{x+1};\quad \:x\ne \:-1

Step-by-step explanation:

1. \mathrm{Subtract\:}f\left(x+2\right)\mathrm{\:from\:both\:sides}\\
F\left(x+1\right)+f\left(x+2\right)-f\left(x+2\right)=2x+3f-f\left(x+2\right)



2. \mathrm{Simplify}\\
F\left(x+1\right)=-xf+f+2x\\


3. \mathrm{Divide\:both\:sides\:by\:}x+1;\quad \:x\ne \:-1\\
\frac{F\left(x+1\right)}{x+1}=-\frac{xf}{x+1}+\frac{f}{x+1}+\frac{2x}{x+1};\quad \:x\ne \:-1

4. \mathrm{Simplify}\\
F=\frac{-xf+f+2x}{x+1};\quad \:x\ne \:-1

Final Answer: F=\frac{-xf+f+2x}{x+1};\quad \:x\ne \:-1

4 0
3 years ago
A book sold 41,600 copies in its first month of release. Suppose this represents 9.8% of the number of copies sold to date. How
oksano4ka [1.4K]

Answer:

480,247

Step-by-step explanation:

0.081 x = 38,900, so x (# sold to date) = 480,247 (rounded)

7 0
3 years ago
The unit rate of change of yyy with respect to xxx is the amount yyy changes for a change of one unit in xxx.
baherus [9]

Answer:

9514 1404 393

Answer:

 C  The unit rates are the same.

Step-by-step explanation:

The rate of change for the equation is the coefficient of x: 4.5.

The rate of change for the table is computed as described in the problem statement:

 unit rate of change = ∆y/∆x = (18-9)/(4 -2) = 9/2 = 4.5

The unit rates are the same.

Step-by-step explanation:

4 0
3 years ago
4. The Smoothie Stand is selling their small smoothies for $4 for 16
noname [10]

Answer:

$8

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Actor the following expressions:<br> 10n + 15<br> GCF:<br> Check:<br> 1
ZanzabumX [31]

Answer: GCF = 5 (5 goes into both 10 and 15)

Step-by-step explanation:

10n/5= 2n

15/5=3

if we factor it out it would be:

5(2n+3)

5 0
3 years ago
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