# give an equation for each sentence. use n to represent the unknown number.

1.six increased by a number os twenty

2.a number decreased by seven is four

3.two more than a number is twelve

4.one less than a number is eighteen

5.twice a number is a hundred

6.twice a number os one-half

7.rhe square of a number increased by four is twice by four is twice the number

8.the cube of a number decreased by seven is four times the number

9.the sum of twice a number and two is thirteen

10.the product of a number and its half is eighteen

Answers: 1

Math, 28.10.2019 16:29

If z varies jointly as x and the square of y find the percentage change in z if x is increased by 40% and y is decreased by 20%

Answers: 2

Math, 28.10.2019 18:29

Scientific notation 1. physicist measuring the quantity of electric charge in coulombs (c) found that one coulomb is equal to 6.24x10^18 electrons. about how many electrons are there in 10^3 coulombs? 2. r.millikan, a physicist, found out in his oil drop experiment that 1 electron unit (eu) is equal to 1.602x10^-19. how many coulombs are there in 10^5 eu? 3. one mole of water has a mass of 18g and contains about 6.02x10^23 molecules of water. what is the molecule content of 10^2 moles of water? what is it's mass? 4. a light year, the distance light travels in one year is about 9.44,10^12 km. if polaris is about 64 000 000 000km from earth, about how long will it take light from this star to reach earth? (include solutions please)

Answers: 3

Math, 28.10.2019 19:28

The sum of twice the length of fence and 250 feet must be less than 2000 feet

Answers: 1

give an equation for each sentence. use n to represent the unknown number.

1.six increased by a...

1.six increased by a...

Math, 23.10.2020 11:56

Filipino, 23.10.2020 11:56

English, 23.10.2020 11:56

Technology and Home Economics, 23.10.2020 11:56

Music, 23.10.2020 11:56

Edukasyon sa Pagpapakatao, 23.10.2020 11:56

Math, 23.10.2020 11:56

Technology and Home Economics, 23.10.2020 11:56

English, 23.10.2020 11:56

Math, 23.10.2020 11:56

Economics, 23.10.2020 11:56

Araling Panlipunan, 23.10.2020 11:56

English, 23.10.2020 11:56

Science, 23.10.2020 11:56

Health, 23.10.2020 11:56

Filipino, 23.10.2020 11:56

Science, 23.10.2020 11:56