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vlada-n [284]
3 years ago
10

F(x) = 9x - x2 + 3x F(1) =

Mathematics
1 answer:
mojhsa [17]3 years ago
4 0

Answer:

f(1) = 10

Step-by-step explanation:

Here you can just replace any x with 1.

f(1) = 9(1) - (1)2 + 3(1)

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In 1985 there were 275 cell phone subscribers in the small town of China grove. Subscribers increased by 40% each year after 198
emmasim [6.3K]
1985year ->275cell phones->100%
1994year -> x cell phones ->100%+360%
40% • (1994-1985)= 40% • 9= 360%

275 cell phone 100%
X cell phones. 100+360%=460%
x=275•460%/100%
x=12420/100
x=1265
99% sure this is a correct answer


x=275 • 460%/100%
x=12,420/100
x=1265

1994-1985= 9 yrs • 40%= 360%

5 0
2 years ago
Johnson’s Hardware randomly selects 125 of its customers and questions them to determine their overall customer satisfaction rat
Sphinxa [80]

Answer:

a. 92%

b. 4425

Step-by-step explanation:

So there are 5000 customers in total, and 100 were completely satisfied, and 15 were satisfied and 10 weren't satisfied a bit. so 100+15 is 115 so 115 people in total were satisfied out of 125 because there were 125, and 115+10 is 125 anyways. So 115/125 is .92, and you can convert that into a percentage, 92% of the 250 customers were satisfied so then 250*5 is 5000, so then just multiply 115 by 5 as well. You get 575. So 575 were satisfied out of the 5000 customers and 5000-575 are the people not satisfied, so 4425.

probably wrong because it doesnt sound right but just try it

4 0
2 years ago
Given the function defined in the table below, find the average rate of change, insimplest form, of the function over the interv
Reil [10]

To find the average rate of change in a interval

a\leq x\leq b

We use the following formula:

\frac{f(b)-f(a)}{b-a}

Applying this to our interval

6\leq x\leq15

We have the following rate of change:

\frac{f(15)-f(6)}{15-6}=\frac{107-53}{9}=\frac{54}{9}=6

We have an average rate of change equals to 6.

4 0
1 year ago
Divide 70 in the ratio of 4:10
Lelechka [254]
Easy! just compare then cross multiply 70:1 × 10:4 because you need to use the negative reciprocal of either one to create division with ratios/fractions
\frac{70}{1}  = \frac{10}{4}
8 0
3 years ago
Which of the following equations correctly represents the law of sines?
nignag [31]
It seems as if D is the answer
The law of sines is usually written as
[sin (A) / a] = [sin (B) / b] which can be manipulated algebraically as
[b * sin (A) / sin (B)] = a


8 0
2 years ago
Read 2 more answers
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