# Posts by T-perry

Total # Posts: 19

**science**

calculate how many grams of chloride ions are present in 50 grams of ocean salts

**science**

Although the salinity of ocean water varies from place to place, the relative amounts of the different salts do not vary significantly. Briefly explain why this is so?

**Math**

Factor this polynomial a^5b-a

**3rd grade mah**

Divide $5.40 by 6 = 5.40/6. = $0.9.

**Science**

About 10 percent of the earth’s surface are covered with glaciers today. Where are most of these glaciers found

**Science**

1. To a scientist, a river is a kind of stream. True or False. 2. All streams carry sediment. T/F. 3. A delta keeps growing. T/F. 4. Heavy rain always cause flooding. T/F. 5. A river bank is at the end of a river. T/F.

**Earth Science**

Write a paragraph explaining the connections between plate boundaries, forces and faults.

**algebra**

4.782 X 10^13

**Earth Science**

Which horizons are composed of unweathered rocks, weathered rocks, young soil, and q well-developed soil?

**Math**

Simplify t raised to the power -4. (t-4) 3r-5. s-3/t-5

**Math**

7y<2x isolate y

**Economics**

Multiply $5000 by 10 years

**Math**

well you would isolate y and i got s< or equal to -h+36

**Math**

A college student decides that school work limits him to a total of no more than 36 hours per week at his two parttime jobs. He earns $6...

**Math**

please solve it for me please

**Math**

Members of a school boosters club want to sell at least 10 school jackets and at least 21 caps during a fundraiser to cover their regular club expenses.&...

**math**

It means to multiply and the answer is 3081.

**Applied Calculus**

4.00234169288

**math**

75% of teenagers own cell phones. 87% use text messaging. 15%