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3 years ago

Please answer this correctly

Mathematics

2 answers:

Phoenix [80]3 years ago

3 0

There is a 3 in four chance you’ll get pink or green. therefore times 44 by 3/4 and get 33

raketka [301]3 years ago

3 0

Answer:

Step-by-step explanation:

The probability you will pick a green or a pink marble is:

3/4

Multiply 3/4 with 44.

3/4 × 44

= 33

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What are the solutions for x to the equation (x-3)(x+8)=0

hichkok12 [17]

For this case we have a factored expression, of a second degree equation:

( $(x-3) (x + 8) = 0$

To find the solutions:

$x-3 = 0$

we add 3 to both sides of the equation:

$x=3$

$x+8=0$

We subtract 8 on both sides of the equation:

$x = -8$

Thus, the solutions of the equation are:

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Answer:

$x_ {1} = 3\\x_ {2} = - 8$

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3 years ago

Can a pair of straight angles also be adjacent?

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3 years ago

A travel company sells holidays and wants to survey 500 customers stratified by country visited, complete the table.

OlgaM077 [116]

Answer:

$\left|\begin{array}{c|c|c|c|c||c}$Country Visited&$UK& $France& $Spain& $Italy &$Total\\&&&&&\\$Number of Customers &968& 248& 2042& 742& 4000\\&&&&&\\$Number of sample&121&31&255&93&500\end{array}\right|$

Step-by-step explanation:

$\left|\begin{array}{c|c|c|c|c||c}$Country Visited&$UK& $France& $Spain& $Italy &$Total\\$Number of Customers &968& 248& 2042& 742& 4000\\$Number of sample&&&&&&\end{array}\right|$

Since the company wants to survey 500 customers by the countries visited, the number of samples from each country will be proportional to the number of customers.

For UK, Number of Samples $=\dfrac{968}{4000}X500=121$

For France, Number of Samples $=\dfrac{248}{4000}X500=31$

For Spain, Number of Samples $=\dfrac{2042}{4000}X500\approx 255$

For Italy, Number of Samples $=\dfrac{742}{4000}X500\approx 93$

The completed table therefore is:

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