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Assoli18 [71]
3 years ago
12

Brian says that the expression 8n + 2 is equal to 83 when n=1. Explain why Brian’s answer is incorrect?

Mathematics
1 answer:
GalinKa [24]3 years ago
5 0

Answer:

8n+2 first let’s plug in n which is 1

8(1)+2=10

The answer is 10 but Brian said the expression is equal to 83. He is incorrect because 8 times 1 is 8 and then plus 2 is 10.

I hope it helps.

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Kaylib’s eye-level height is 48 ft above sea level, and addison’s eye-level height is 85 and one-third ft above sea level. how m
GalinKa [24]

The addison see to the horizon at 2 root 2mi.

We have given that,Kaylib’s eye-level height is 48 ft above sea level, and addison’s eye-level height is 85 and one-third ft above sea level.

We have to find the how much farther can addison see to the horizon

<h3>Which equation we get from the given condition?</h3>

d=\sqrt{\frac{3h}{2} }

Where, we have

d- the distance they can see in thousands

h- their eye-level height in feet

For Kaylib

d=\sqrt{\frac{3\times 48}{2} }\\\\d=\sqrt{{3(24)} }\\\\\\d=\sqrt{72}\\\\d=\sqrt{36\times 2}\\\\\\d=6\sqrt{2}....(1)

For Addison h=85(1/3)

d=\sqrt{\frac{3\times 85\frac{1}{3} }{2} }\\d\sqrt{\frac{256}{2} } \\d=\sqrt{128} \\d=8\sqrt{2} .....(2)

Subtracting both distances we get

8\sqrt{2}-6\sqrt{2}  =2\sqrt{2}

Therefore, the addison see to the horizon at 2 root 2mi.

To learn more about the eye level visit:

brainly.com/question/1392973

5 0
3 years ago
One number is 4 more than another. The difference between their squares is 56. What are the numbers?
kompoz [17]

The answer is 7 and 11 :)


3 0
3 years ago
Read 2 more answers
Help I need this done fast!
wolverine [178]
B

Sorry if I’m wrong...
5 0
3 years ago
Find the number n that fits all of the conditions
finlep [7]
Your answer would be 12
7 0
3 years ago
Four root of five<br><img src="https://tex.z-dn.net/?f=4%20%5Csqrt%7B5%20%3D%20%7D%20" id="TexFormula1" title="4 \sqrt{5 = } " a
Georgia [21]

Answer:

8.94427191

:)

Step-by-step explanation:

7 0
3 years ago
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