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2 years ago

15

2% of the ducks in a pond have a fluffy tail. If 4 ducks have a fluffy tail, how many ducks are in the pond. Please answer best

answer gets brainliest.

1 answer:

loris [4]2 years ago

3 0

Answer:

200

Step-by-step explanation:

just look up 2% of 4 is what and you will get the same answer

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What is the answer to -5+1-5+1

stellarik [79]

Answer:

the answer is -8

Step-by-step explanation:

U take - 5 and u put one, so it goes -4, then u go 5 down so - 9 and +1 is - 8

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2 years ago

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Please help!!!! I need this to be done and I don't know how to do it.

Harman [31]

Q2) 58.08
Q3) I got 180 but not sure.
Q4) I got 138
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Hope this helps.

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2 years ago

What is the sum of the expression (8 − 4i) + (−2 + 7i)?

Lemur [1.5K]

Answer:

Your answer is: $6+3i$

Simplify by combining the real and imaginary parts of each expression.

Step-by-step explanation:

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2 years ago

What structural decition does a translator make when translating an original text

lys-0071 [83]

Answer:

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Step-by-step explanation:

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2 years ago

Find the range of p in equation p(x+1) (x-3)=x-4p-2 has no real roots.

Tanya [424]

Answer:

$\displaystyle p > \frac{1}{4}$ .

Step-by-step explanation:

Expand the left-hand side of this equation:

$p\, (x + 1)\, (x - 3) = p\, \left(x^2 - 2\, x - 3\right) = p\, x^2 - 2\, p\, x - 3\, p$ .

Collect the terms, so that this quadratic equation is in the form $a\, x^2 + b\, x+ c = 0$ :

$p\, x^2 - 2\, p\, x - 3\, p = x - 4\, p - 2$ .

$p\, x^2 - (2\, p + 1)\, x + (p + 2) = 0$ .

In this equation:

$a = p$ .
$b = -(2\, p + 1)$ .
$c = p + 2$ .

Calculate the quadratic discriminant of this quadratic equation:

$\begin{aligned}b^2 - 4\, a\, c &= (-(2\, p + 1))^2 - 4\, p\, (p + 2) \\ &= 4\, p^2 + 4\, p + 1 - 4\, p^2- 8\, p = -4\, p + 1\end{aligned}$ .

A quadratic equation has no real root if its quadratic discriminant is less then zero. As a result, this quadratic equation will have no real root when $-4\, p + 1 < 0$ . Solve for the range of $p$ :

$\displaystyle p > \frac{1}{4}$ .

4 0

2 years ago