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frosja888 [35]
2 years ago
7

Please help I’ll give you brainiest :)

Mathematics
2 answers:
KatRina [158]2 years ago
7 0
Your answer will be b
juin [17]2 years ago
4 0

Answer:

i think its b

Step-by-step explanation:

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210÷5 first u break it down and divide it step by step and it =42
Artyom0805 [142]
That is the correct answer
6 0
2 years ago
Help me answer this plzzz
Dvinal [7]

Answer:

true

Step-by-step explanation:

8 0
2 years ago
Find the radius of convergence, R, of the series. ∞ (−1)n (x − 6)n 4n + 1 n = 0 R =
Rina8888 [55]

I'm guessing the series is

\displaystyle\sum_{n=0}^\infty\frac{(-1)^n(x-6)^n}{4n+1}

Use the ratio test: we have

\displaystyle\lim_{n\to\infty}\left|\frac{\frac{(-1)^{n+1}(x-6)^{n+1}}{4n+5}}{\frac{(-1)^n(x-6)^n}{4n+1}}\right|=|x-6|\lim_{n\to\infty}\left|\frac{4n+1}{4n+5}\right|=|x-6|

The series converges for

|x-6|

which has a radius of convergence of 1.

3 0
3 years ago
A student likes to use the substitution method for systems of equation. How can he use it with a system that is not in the prope
Kay [80]

Answer:

Step-by-step explanation:

We have given:

-2x+y=4     ---------equation1

3x+4y=49 ---------equation 2

We will solve the 1st equation for y and substitute the value into the 2nd equation.

-2x+y=4     ---------equation1

Move the values to the R.H.S except y

y = 2x+4

Now substitute the value of y in  2nd equation:

3x+4y=49

3x+4(2x+4)=49

3x+8x+16=49

Combine the like terms:

3x+8x=49-16

11x=33

Now divide both the sides by 11

11x/11 = 33/11

x= 3

Now substitute the value of x in any of the above equations: We will substitute the value in equation 1:

-2x+y=4

-2(3)+y=4

-6+y=4

Combine the constants:

y=4+6

y = 10

Thus the solution set of (x,y) is {(3,10)}....

8 0
3 years ago
A class of 50 students
Harman [31]

Answer:

19

Step-by-step explanation:

because u do 50 times

7 0
2 years ago
Read 2 more answers
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