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scoray [572]
3 years ago
15

My answer was B is less than or equal to 10, but it was wrong. So what does B equal??

Mathematics
1 answer:
vovangra [49]3 years ago
8 0
B equals 10 :) Hope this helps
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If f(z)= sqrt z2+8z , then how much does f(z) increase as z goes from 7 to 8?
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Answer:

B

Step-by-step explanation:

f(7)=\sqrt{7^2+8*7}=\sqrt{49+56}=\sqrt{105} \approx 10.247\\f(8)=\sqrt{8^2+8*8}=\sqrt{128}=8\sqrt{2} \approx 11.314\\f(8)-f(7)=11.314-10.247=1.067 \approx 1.07

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What is a composite number between 70 and 80 and has a factor of 11
olganol [36]
The ONLY multiple of 11 that's between 70 and 80 is 77 .
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LuckyWell [14K]

Answer:

<u>207.35 inches</u>

Step-by-step explanation:

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C=2\pi r

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Substituting, we get the answer as:

C=2\pi r\\C=2\pi (33)\\C=66\pi\\C=207.35

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