Let k represent the cost of supplies, b the number of bottles, and c the number of cans. You know that the total cost is found by adding the number of bottles multiplied by the price of each to the number of cans multiplied by their unit price. (This is the computation performed anytime you purchase something.)

$\boxed{k}=\underline{3.99}\boxed{b}+\underline{1.50}\boxed{c}$

There are no constants in this equation.

4 0

2 years ago

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2x-6y=12 and -5x+15y=-30 elimination

Reptile [31]

Answer:

unsolvable because the second equation is just -2.5 times the first equation.

Step-by-step explanation:

2x-6y=12 then 2x=12+6y x=6+3y

-5x+15y=-30

substitute x

-5(6+3y)+15y=-30

-30-15y+15y=-30

y=y

8 0

2 years ago

The diameter of a round patio is 16 feet.Which expression can be used to find the patio’s circumference in feet?

Delicious77 [7]

Answer: 16*pi

Step-by-step explanation: The equation for diameter is pi*diameter. Since you already know the diameter, just plug it in.

8 0

3 years ago

Evaluate the function when x = -3

Marta_Voda [28]

Answer:

Step-by-step explanation:

f(-3)=-2(-3)+4=6+4=10

3 0

3 years ago