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Oxana [17]
3 years ago
10

Find the common difference in the arithmetic sequence, an, in which a3=11 and a12=74.​

Mathematics
1 answer:
lana66690 [7]3 years ago
3 0

Answer:

d=7

Step-by-step explanation:

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Math-Limits and Derivative. Could anybody help me,please ?
Serhud [2]

Answer:

Step-by-step explanation:

Hello, please consider the following.

\displaystyle f'(0)=\lim_{x\rightarrow0} {\dfrac{f(x)-f(0)}{x-0}}\\\\=\lim_{x\rightarrow0} {\dfrac{\dfrac{\sqrt{1+x}-1}{x}-k}{x}}\\\\=\lim_{x\rightarrow0} {\dfrac{\dfrac{\sqrt{1+x}-1-kx}{x}}{x}}\\\\=\lim_{x\rightarrow0} {\dfrac{\sqrt{1+x}-1-kx}{x^2}}\\

Thank you

7 0
3 years ago
Write a linear equation in slope intercept form that passes through the points (4,7) and (-2,-1)
Burka [1]
Equation is y=mx+b so solve for m with the equation m=y2-y1/x2-x1. so m= -1-7/-2-4. m=4/3.
y=4/3x+7
3 0
4 years ago
write the equation of a line that is perpendicular to the given kine and that passes through the given point. -x+5y=14;(-5, -2)
Inga [223]
X + 5y = 14
5y = -x + 14
y = -1/5x + 14/5.....the slope here is -1/5. A perpendicular line will have a negative reciprocal slope. All that means is flip the slope and change the sign. So our perpendicular slope will be 5. See how I flipped -1/5 making it -5/1...and then changed the sign, making it 5.

y = mx + b
slope(m) = 5
(-5,-2)....x = -5 and y = -2
now we sub and find b, the y int
-2 = 5(-5) + b
-2 = -25 + b
-2 + 25 = b
23 = b

so ur perpendicular equation is : y = 5x + 23 <==

7 0
3 years ago
Help please this is due today
dangina [55]

The experimental probability that in a group of 4 students, at least one of them has brown eyes is 95%.

<h3>What is Experimental Probability?</h3>

Experimental probability is a probability that is determined on the basis of a series of experiments. A random experiment is done and is repeated many times to determine their likelihood and each repetition is known as a trial. The experiment is conducted to find the chance of an event to occur or not to occur.

Here , Favorable Outcome = 19

          Total outcomes = 20

Probability = Favorable Outcome/ Total Outcome

                   = 19 / 20

                   = 95%

Thus, the experimental probability that in a group of 4 students, at least one of them has brown eyes is 95%.

Learn more about Experimental Probability from:

brainly.com/question/15729871

#SPJ1

5 0
2 years ago
What is the value of y in the equation 5x + 2y = 20, when x = 0.3?
vlada-n [284]
Y=9.25 because inorder to solve this we need to first take 5*.3 which equals 1.5 now that we have this we can move on we now have the equation 1.5 + 2y = 20 so now we need to continue working on getting y by it self so we subtract 1.5 from each side and then that leaves us with 2y=18.5 now we divide by 2 which leaves us with y=9.25 
5 0
3 years ago
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