$proof: \: 3(5x + 1) = 13x + 5 \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: 15x + 3 = 13x + 5 \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: (15x - 13x) + 3 = 5 \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: 2x = (5 - 3) \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: 2x = 2 \\ \: \: \: \: \: \: \: \: \: \: \: \: \: x = (2 \div 2) \\ \: \: \: \: \: \: \: \: \: \: \: \: \: x = 1$

8 0

3 years ago

A stationery store sold 320 of two different types of pens for $190.55. One type of pen costs 25 cents and the other costs 80 ce

Tems11 [23]

Answer:

all work is shown and pictured

3 0

3 years ago

You notice a hot air balloon descending. The elevation h (in feet) of the balloon is modeled by the function h(x)=-8x+360, where

Taya2010 [7]

Answer:

Step-by-step explanation:

Suppose you earned extra money by having a part-time job. You open up a bank account in order to save your money. Your body acts similar to a bank account—you can “deposit” and “store” energy.

8 0

2 years ago

in a school there are 650 girls. It is 26% of the whole students, how many boys are there in the school?​

in a school there are 650 girls. It is 26% of the whole students, how many boys are there in the school?