3 years ago

72.3/0.6 What’s the answer?

Mathematics

1 answer:

Oxana [17]3 years ago

4 0

Answer:

120.5

Step-by-step explanation:

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3 years ago

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Determine the type and number of solutions of x^2 + 10x − 25 = 0. A two real solutions B one real solution C two imaginary solut

klemol [59]

Answer:

two real solution

Step-by-step explanation:

x^2 + 10x − 25 = 0

we can solve this by finding out the value of x

lets assume the equation is a\times x^{2}+b\times x+c=0

x=-b\pm \sqrt{(b^{2}-4ac)}\div 2a

x=-10\pm\sqrt{100+4*25}\div2

x=-5\pm5\sqrt2

then we get both real value of x

so two real solution

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4 years ago

Which of the following is equivalent to the given equation 7x2 = 98x - 343

professor190 [17]

Answer:

(x-7)

Step-by-step explanation:

i guessed and got it right

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3 years ago

The CBS’ television show 60 Minutes has been successful for many years. That show recently had a share of 20, which means that a

xxMikexx [17]

Given:
p = 20% = 0.2, sample proportion
n = 5000, sample size.
Confidence level = 95%

The confidence interval is
(p - 1.96k, p + 1.96k)
where
$k=\sqrt{ \frac{p(1-p)}{n} }=\sqrt{ \frac{0.2*0.8}{5000}} =0.00566$

Therefore the 95% confidence interval is
(0.1943, 0.2057) = (19.4%, 20.6%)

Answer: The 95% confidence interval is (19.4%, 20.6%)

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4 years ago

(10 points) Please help out! I'm trying to pass this important test to graduate! :)

Sauron [17]

Answer:

0.625

Step-by-step explanation:

Experimental probability is (times an event occurred)/(times experiment was tried).

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45/72=0.625

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4 years ago

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