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2 years ago

How to find which trinomials are perfect square trinomials

Mathematics

1 answer:

astraxan [27]2 years ago

6 0

Answer:

An expression obtained from the square of the binomial equation is a perfect square trinomial. If a trinomial is in the form

$ax 2 + bx + c$

is said to be a perfect square, if and only if it satisfies the condition b 2 = 4ac.

Step-by-step explanation:

hope it will help you have a great day bye and Mark brainlist if the answer is correct 

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Determine the Type I error if the null hypothesis, H0, is: an electrician claims that no more than 10% of homes in the city are

kap26 [50]

Answer : There are no more than 10% of homes in the city are not up to the current electric codes but actually we do not have evidence to accept it.

Explanation:

The Type I error occurs when the null hypothesis is true but we reject it.

Given null hypothesis : $H_0$ : an electrician claims that no more than 10% of homes in the city are not up to the current electric codes.

The Type I error for the given situation is that there are no more than 10% of homes in the city are not up to the current electric codes but actually we do not have evidence to accept it.

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2 years ago

26. Using only digits 0, 1 and 2, this cube has a different

Art [367]

Answer:

Step-by-step explanation:

Possible largest numbers using digit 0 , 1 , 2

222

221

220

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211

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2 years ago

An inequality is shown: −np − 4 ≤ 2(c − 3) Which of the following solves for n?

sesenic [268]

Answer:

$\huge\boxed{n\leq\dfrac{2-2c}{p}\ \text{for}\ p0}$

Step-by-step explanation:

$-np-4\leq2(c-3)\qquad\text{use the distributive property}\\\\-np-4\leq2c-6\qquad\text{add 4 to both sides}\\\\-np\leq2c-2\qquad\text{change the signs}\\\\np\geq2-2c\qquad\text{divide both sides by}\ p\neq0\\\\\text{If}\ p0 ,\ \text{then}\\\boxed{n\geq\dfrac{2-2c}{p}}$

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2 years ago

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k0ka [10]

The number of T-shirt bought by Shilpa from a clothing store = 30
Percentage of T-shirt that were blue = 20%
Then Number of T-shirt that were blue in color = (20/100) * 30
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Number of T-shirts that were black in color = (1/2) * 30
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Then
The total number of T-shirts that were black and blue = (15 + 6)
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Then
The total number of T-shirts that were neither black nor blue = 30 - 21
   = 9
So the number of T-shirts that were neither black nor blue was 9.

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Ghella [55]

Answer:

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Step-by-step explanation:

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