# Math

posted by .

In a science fair experiment, 2 units are selected for testing from every 500 units produced. How many ways can these 2 units be selected?

• Math -

Uh what is your problem dude i was trying to ask for help no need to be rude

## Similar Questions

1. ### precalculus

a shipment of 10 microwaves contains 3 defective units. in how many ways can a vending company choose 4 units if: a)all units are good b)2 units are good c) at least 2 units are good
2. ### math

How do you do this question? A shipment of 25 television sets contains three defective units. In how many ways can a vending company purchase four of these units and receive (a) all good units, (b) two good units, and (c) at least
3. ### college math

16. A study of a manufacturing process indicates that 120 of 6,000 units produced are defective. If a sampler selected 100 units, how many defective units would he expect to be present?
4. ### economics

With a fixed amount of resources, 20 units of computers or 30 units of food can be produced. Also, the combinations of computer and food can be produced. Combinations are 25 units of food and 4 units of computers, 20 units of food …

A firm has the following inventory information for the first quarter: 01/01 Beginning Inventory 50 units @ \$5 01/15 Purchases 80 units @ \$5.50 02/15 Purchases 60 units @ \$5.25 02/15 Purchases 40 units @ \$5.75 Sales 170 units @ \$10 …
6. ### math

A rectangle has a perimeter of 24 units. If the width is 4 units, which of the following is the length?
7. ### Accounting

If fixed costs are \$240,000, the unit selling price is \$32, and the unit variable costs are \$20, what are the old and new break-even sales (units) if the unit selling price increases by \$4?
8. ### Math

Rectangles ABCD and EFGH are similar figures because angles A, B, C, and D are congruent to angles E, F, G, and H, respectively. If DA equals 19 units, AB equals 8 units, and HE equals 133 units, what does EF equal?
9. ### math

. A rectangle has a perimeter of 24 units. If the width is 4 units, which of the following is the length?
10. ### Math

The cost of producing x units of a certain commodity is given by P(x)=1000+ int(MC(s))ds from 0 to x, where P is in dollars and M(x) is marginal cost in dollars per unit. A. Suppose the marginal cost at a production level of 500 units …

More Similar Questions