$-5x+6(4x+15)=242\qquad|\text{use distributive property}\\\\-5x+(6)(4x)+(6)(15)=242\\\\-5x+24x+90=242\qquad|\text{subtract 90 from both sides}\\\\19x=152\qquad|\text{divide both sides by 19}\\\\x=8$

4 0

2 years ago

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Dave plans on installing molding around the ceiling of his formal 15’ x 20’ living room. How much molding should he purchase?

aliya0001 [1]

How much does the molding paper cost. Work out the area of the ceiling which is 15 x 20 and multiply it by the price of the molding paper

8 0

2 years ago

Find the percent decreased original price: $40 sale price: $30

stich3 [128]

Answer:

25 percent

Step-by-step explanation:

Percent decrease = (original - new)/original * 100 percent

= (40-30)/40 * 100 percent

= 10/40 * 100 percent

= .25 * 100 percent

=25 %

4 0

2 years ago

Elliot wants to compare the density of four objects to the density of water. Elliot knows that if an object sinks in water, it h

matrenka [14]

Answer: A would be the best answer

Step-by-step explanation:

3 0

2 years ago