Mathematics, 01.12.2021 22:10 carterhoward

Write a system of equations to describe the situation below, solve using elimination, and fill in the blanks. The Dover High School Science Department is purchasing new earth science and physics textbooks this year. Ms. Conley has requested 73 earth science textbooks and 61 physics textbooks for all of her classes, which costs the department a total of $6,227. Mr. Moore has asked for 100 earth science textbooks and 67 physics textbooks, which will cost a total of $7,553. How much do the textbooks cost?

Earth science textbooks cost -$ apiece and physics textbooks cost $ apiece.

please hel

Answers: 1

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 16:50

Kapil needed to buy a long wooden beam. he went to two sawmills that each charge an initial fee plus an additional fee for each meter of wood. the following equation gives the price (in dollars) of a wooden beam from the first sawmill as a function of its length (in meters). p = 5+20xp=5+20x

Answers: 1

Answer

Mathematics, 21.06.2019 21:40

The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?

Answers: 2

Answer

Mathematics, 21.06.2019 22:30

At the beginning of year 1, carlos invests $600 at an annual compound interest rate of 4%. he makes no deposits to or withdrawals from the account. which explicit formula can be used to find the account's balance at the beginning of year 5? what is, the balance?

Answers: 1

Answer

Mathematics, 22.06.2019 02:00

The product of 3 and a number increased by 8 is 31

Answers: 1

Answer

You know the right answer?

Write a system of equations to describe the situation below, solve using elimination, and fill in th...

Questions

Mathematics, 21.01.2021 19:20

can someone bother my teacher she on this site go to my answers and youll see i answered one of her questions that is for a assignment...