2 years ago

I will love and rate 5.0 if done correctly with no images and no trolling for answer.

1 answer:

5 0

The correct answer should 4% because the ratio is 3 out of 75 which would leave 72 non-defective bulbs. So your answer is 4%

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Help needed ASAP will give BRAINLIEST and 5 stars rate

Reil [10]

The answer is 7/5. I attached the work below.

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2 years ago

X^2+y^2+14x+10y=7 <br> center and radius

Sholpan [36]

$(x-a)^2+(y-b)^2=r^2\\\\(a;\ b)-the\ coordinates\ of\ the\ center\\r-the\ radius\\\\==================================\\Use:(k+l)^2=k^2+2kl+l^2\ (*)\\==================================$

$x^2+y^2+14x+10y=7\\\\x^2+14x+y^2+10y=7\\\\x^2+2x\cdot7+y^2+2y\cdot5=7\\\\\underbrace{x^2+2x\cdot7+7^2}_{Use\ (*)}-7^2+\underbrace{y^2+2y\cdot5+5^2}_{Use\ (*)}-5^2=7\\\\(x+7)^2-49+(y+5)^2-25=7\\\\(x+7)^2+(y+5)^2-74=7\ \ \ \ |add\ 74\ to\both\ sides\\\\(x+7)^2+(y+5)^2=81\\\\(x+7)^2+(y+5)^2=9^2$

$Answer:\\\boxed{(-7;-5)-center;\ 9-radius}$

8 0

2 years ago

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All of the following types of graphs are used to represent numerical data except a _____.

tester [92]

I am unsure but i think the answer is c or a but let me know if i'm right or wrong

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2 years ago

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Find a, b, and c please and thank u

storchak [24]

A=80
B=100
C= 11
Is this the I-ready