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NikAS [45]
3 years ago
15

3.

Mathematics
2 answers:
Nutka1998 [239]3 years ago
3 0

Answer:

the answer is 12

Step-by-step explanation:

erma4kov [3.2K]3 years ago
3 0

Answer:

12

Step-by-step explanation:

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<img src="https://tex.z-dn.net/?f=%5Cint%5Climits%5E2_1%20%7Bx%5E%7B2%7D-8x%2B8%20%7D%20%5C%2C%20dx" id="TexFormula1" title="\in
12345 [234]

Answer:

{ \underline{ \sf{\int\limits^2_1 {x^{2}-8x+8 } \, dx}  \: =  \:  - 1}}

Step-by-step explanation:

{ \tt{\int\limits^2_1 {x^{2}-8x+8 } \, dx}} \\  \\ =  { \tt{[ \frac{ {x}^{3} }{3}  - 4 {x}^{2}  + 8x ] {}^{2} _{1}}}

Substitute x with the limits:

= { \tt{( \frac{ {2}^{3} }{3}  - 4( {2)}^{2} + 8(2)) - ( \frac{ {1}^{3} }{3}  - 4( {1)}^{2}  + 8(1)) }} \\  = { \tt{( \frac{8}{3}  -  \frac{11}{3} )}} \\  \\  = { \tt{ - 1}}

4 0
3 years ago
What is f(0) for the function f(x) =2x+3
PolarNik [594]

Answer:

3

Step-by-step explanation:

f(x) =2x+3

Let x=0

f(0) =2*0+3

Multiply

f(0) =0+3

Add

f(0) =3

4 0
2 years ago
Read 2 more answers
if the nth term of a sequence is 2n+2n squared, find the first 3 terms and the 10th term please help​
marishachu [46]

Answer:

3rd term: 24

10th term: 220

Step-by-step explanation:

<em>For the 3rd term</em>

2*3 + 2*(3^2) = 6 + 2*9 = 6 + 18 = 24

<em>For the 10th term</em>

2*10 + 2*(10^2) = 20 + 2*100 = 20 + 200 = 220

8 0
3 years ago
Find the value of x.<br> 105° /15xº
pogonyaev

Answer:

X=7

Step-by-step explanation:

I am so sorry if this is not correct. I don´t know why there are 0s next to each number. I hope this helped. Again, I am sorry if this is incorrect

8 0
3 years ago
Make a number line and show all values of x. x≤2 and x&lt; -5
Roman55 [17]

Answer:

x = -6/ -7/ -8/ -9/ -10/ -11...... every number less -5

Step-by-step explanation:

3 0
2 years ago
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