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3 years ago

3ounces cost $2.73?????

Mathematics

1 answer:

nikitadnepr [17]3 years ago

6 0

I don’t know what you want me to solve

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Please help If 25% of some number is 40, then what is 75% of that number?

Nikitich [7]

Explanation : % is the symbol for percentage. It means out of 100. 75% means 75 out of 100 which is represented as 75/100.

8 0

3 years ago

Read 2 more answers

An electronics store receives a shipment of 35 graphing calculators including 7 that are defective. eight calculators are chosen

spin [16.1K]

There are 23535820 combinations that can be made of 35 calculators taken 8 at a time.

$_{35}C_8=\frac{35!}{8!27!}=23535820$

8 0

3 years ago

Please please help me with question 6,, I can’t figure it out.

Norma-Jean [14]

Answer:

The answer is D.) 27

Step-by-step explanation:

This problem forms a right triangle and with the 90ft wire being the hypotenuse, you subtract 63 from 90 and you get 27.

Hope I helped! :)

7 0

3 years ago

Helppp plzzz idk I need help

spin [16.1K]

Answer:

The correct answer is y.

Step-by-step explanation:

hope it works out !!

3 0

3 years ago

Find two positive numbers whose product is 25 and whose sum is a minimum. (if both values are the same number, enter it into bot

pshichka [43]

Let xy = 25, x and y > 0.

$y = \frac{25}{x}$
$\text{Denote S as: } x + y$
$S(x) = x + \frac{25}{x}$

$\text{Minimum: }S'(x) = 0, S''(x) > 0$
$S'(x) = 1 - \frac{25}{x^{2}}$
$1 - \frac{25}{x^{2}} = 0$
$x^{2} = 25$
$x = 5 (x > 0)$

$S''(x) = \frac{50}{x^{3}} > 0, (x > 0)$

Thus, at x = 5, there lies a minimum summation, and this forms a square with side length of 5.

4 0

4 years ago