4 years ago

Y=(3x+4)(-2x-3) determine if the function is linear, quadratic, or constant

1 answer:

7 0

It's quadratic
(3x+4)(-2x-3)
expand using FOIL:
-6x^2-14x-12=0
remember -6x^2 term means its quadratic since it's powered by 2

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Jack has two jobs. One job is at a gas station where he earns $11.00/hr and works 8 hours per week. His other job is walking dog

defon

Answer:

$208

Step-by-step explanation:

Jack has two jobs

The first one, he works at a gas station where he earns $11/hr, he works for 8 hours in a week

= 11×8

= 88

The second one he earns $120/week for walking dogs

Therefore the total money Jack earns in a week can be calculated as follows

= 120+88

= 208

Hene jack earns $208 in a week

8 0

3 years ago

Durante la settimana visiteranno il parco 72 bambini.per ogni bambino viene preparata una scatola rettangolare,in cui sistemare

Mnenie [13.5K]

Answer:

$4,320\ cm$ or $43.2\ m$

Step-by-step explanation:

The question in English is

During the week 72 children will visit the park. For each child is prepared a rectangular box, in which to arrange what will be collected during the visit. Each box is 18 cm long and 12 cm wide. How long is the strip of cardboard that is used to make the edge of all boxes.

Let

x ----> the length of the box

y -----> the width of the box

we know that

The perimeter of the box is equal to

$P=2(x+y)$