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2 years ago

5

A machinist uses a special tool to measure the diameter of a small pipe. The measurement tool reads 0.276 inch. What is this mea

sure rounded to the nearest tenth?

1 answer:

Oliga [24]2 years ago

4 0

I believe it should be .3 because its rounded to the nearest tenth

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oksian1 [2.3K]

Given :-

a² - 2a - b² = 0
2b + 2ab = 0

To find :-

Value of a and b .

Solution :-

<u>Taking</u><u> </u><u>second</u><u> </u><u>equation</u><u>:</u><u>-</u>

2b + 2ab = 0
2b ( 1 + a ) = 0
2b = 0 or (1+a) = 0
b = 0 , a = -1

<u>Substitute</u><u> </u><u>in </u><u>first </u><u>equation</u><u> </u><u>:</u><u>-</u><u> </u>

a² - 2a - b² = 0

<u>When </u><u>b </u><u>=</u><u> </u><u>0</u><u> </u><u>,</u>

a² - 2a - 0² = 0
a² - a = 0
a( a -1) =0
a = 0 , 1

<u>When </u><u>a </u><u>=</u><u> </u><u>-</u><u>1</u><u> </u><u>,</u>

(-1)² - 2*(-1) - b² = 0
1 + 2 - b² = 0
b² = 3
b = ±√3

<u>Answer </u><u>:</u><u>-</u><u> </u>

a = 0,1 ; b = 0
a = -1 , b = ±√3

8 0

2 years ago

Help please.<br><br><br><br> Thank you.

Tom [10]

Answer:

A,D,C would be your answers

Step-by-step explanation:

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3 years ago

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MN is translated 4units down and 3units to the right to formPQ

yanalaym [24]

7 that is what t should be

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3 years ago

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frozen [14]

Answer is HM. Hope this helps

7 0

1 year ago

4/5 miles in 1/5 hour unit rate

eduard

Answer:

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Step-by-step explanation:

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2 years ago