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chubhunter [2.5K]
3 years ago
14

21-x=13 telllllllllll mee​

Mathematics
2 answers:
lina2011 [118]3 years ago
7 0

Answer:

x = 8

Step-by-step explanation:

21 - x = 13 \\  - x = 13 - 21 \\  - x =  - 8 \\ x = 8

BaLLatris [955]3 years ago
4 0

Answer:

x = 8

Step-by-step explanation:

21-x=13 \\ x = 21 - 13 \\ x = 8

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Please help me! And please no scam answers
Yuri [45]

Answer:

Average rate of change: -3

Step-by-step explanation:

<u>Remember:</u>

The average rate of change of a function over an interval [a,b] is \frac{f(b)-f(a)}{b-a}

<u>Given:</u>

[a,b]=[1,7]

f(b)=f(7)

f(a)=f(1)

<u>Calculation:</u>

f(b)=f(7)=-(7)^2+5(7)+14=-49+35+14=-49+49=0

f(a)=f(1)=-(1)^2+5(1)+14=-1+5+14=4+14=18

\frac{f(b)-f(a)}{b-a}=\frac{0-18}{7-1}=\frac{-18}{6}=-3

Therefore, the average rate of change of the function g(x)=-x^2+5x+14 over the interval 1\leq x\leq7 is -3.

6 0
2 years ago
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77julia77 [94]

Answer:

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Step-by-step explanation:

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= 2.55316 + 20.59

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I hope this helps.

8 0
2 years ago
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Step-by-step explanation:

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semoga bermanfaat

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