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GuDViN [60]
3 years ago
12

Nnnnnnnnnnnnn nnnnnn nnnnn 

Mathematics
1 answer:
Serhud [2]3 years ago
5 0
What's the question...?
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Find an explicit formula for the following sequence, an, which starts with a1=7. 7,−14,28,−56,112,…
Digiron [165]

Answer:

simply multiply each number by -2

Step-by-step explanation:

7 * -2 = -14 -14 * -2

brainliest answer plz!

6 0
3 years ago
Read 2 more answers
(WILL GIVE BRAINLIEST) Which of the following exponential functions goes through the points (1, 6) and (2, 12)?
olganol [36]

Answer:

\boxed{a. \: f(x) = 3(2)x} \: is \: correct

Step-by-step explanation:

if \: the  \: points \: are \:  (1, 6) \:  and  \: (2, 12) \to \\ then \to \\ m =  \frac{12 - 6}{2 - 1}  =  \frac{6}{1}  \\  \boxed{m = 6} \\ y - 6 = m(x  - 1) \\ y = 6x - 6 + 6 \\ y = 6x = (3)(2)x \\ but \: y = f(x) \to \: hence \to \\ \boxed{ f(x) = 3(2)x}

4 0
3 years ago
Does anyone know how to do this I need help
baherus [9]

Answer:

NO

Step-by-step explanation:

In order to find the inverse you switch the x and y and solve for y.

x=(3/y )+3

x-3=3/y

y(x-3)=3

y= 3/x-3

no that doesn't equal h(x)

6 0
3 years ago
Find the area of a sector with a central angle of 125 degrees and a radius of 11cm. Express the approximate answer to the neares
White raven [17]
The answer is c I’m pretty aure
5 0
3 years ago
An environmental science teacher at a high school with a large population of students wanted to estimate the proportion of stude
AnnZ [28]

Answer:

60 students

Step-by-step explanation:

The confidence interval of a proportion is given by:

p\pm z*\sqrt{\frac{p*(1-p)}{n} }

Where 'p' is the proportion of students who responded 'yes', 'z' is the z-score for a 95% confidence interval (which is known to be 1.960), and 'n' is the number of students in the sample.

If the confidence interval is from 0.584 to 0.816, then:

p=\frac{0.584+0.816}{2}=0.7 \\0.816-0.584=2*(1.96*\sqrt{\frac{p*(1-p)}{n}}) \\0.116=1.96*\sqrt{\frac{0.7*(1-0.7)}{n}}\\n=16.8966^2*(0.7*0.3)\\n=60\ students

60 students were in the sample.

8 0
3 years ago
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