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3 years ago

Nick went to McDonalds four times this week. Each time he ordered fries from the dollar menu and

1 answer:

3 0

First, since its $1 per fry, do 19.96-4 = 15.96, then divide that by four because of the number of days, and the big mac cost will be 3.99 :)

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If the interval (a, oo) describes all values of x for which the graph of f(x) =

zysi [14]

Answer:

Answer:

a = - 1.1

Step-by-step explanation:

Condition for a single variable function f(x) to be decreasing is f'(x) < 0.

So, in our case, .

Then, differentiating with respect to x on both sides we get,

⇒

{Dividing both sides with - 1 and hence the inequality sign changes}

⇒

⇒ 8 > - 6x³ {Multiplying both sides with x³}

⇒ 6x³ > - 8 {Interchanging the sides}

⇒

⇒ x > - 1.1

Therefore, a = - 1.1. (Answer)

Step-by-step explanation:

3 0

3 years ago

Buying with credit cards can cause major problems? true or false

barxatty [35]

Answer:

True

Step-by-step explanation:

It's so as people who use credit cards to pay for stuff rather than regular cash end up in debt.

8 0

2 years ago

Read 2 more answers

Which statement accurately describes the number and type of solutions for this quadratic, x^(2)-5x+1=0

topjm [15]

Answer:

Hope this helps :] look at the picture

Step-by-step explanation:

5 0

2 years ago

mridul jogs around a rectangular park of 100m by 80m at the rate of 9km per hour. how much time will he take in jogging 6 rounds

anyanavicka [17]

Answer:

14minutes

Step-by-step explanation:

first you need to find the distance which you must find the perimeter P=100+80+100+80

=360 so you multiple it by 6 to get

=2160meters

so you need to convert the meters to kilometers

which is 1000m =1km

what about 2160m you cross multiply

to get 2.16km.

so the distance represent D=2.16 km

and speed represent S=9km

now you need to find time represented by T

T=D/S

T=2.16km/9km/h

so the km cancels each other

you get 0.24h for this isn't the solution

you know that 1 hour= 60 minutes

 what about 0.24h you cross multiply

to get 14.4 so you round it off to get 14 minutes

3 0

3 years ago

A school district signs a contract to purchase 50 of the electric typewriters (normally selling for $129.95) from ABC at a quant

zaharov [31]

The price the school district pays for each typewriter is $106.56.

<h3>What is the price for each typewriter?</h3>

A quantity discount is the discount given for bulk purchases. It reduces the purchase price of a good or service.

Total purchase price of the typewriters before the discount = (50 x 129.95) = 6,497.50

Total purchase price of the typewriters after the discount = (100 - 18) x 6,497.50

= $5,327.95

Purchase price of one typewriter = $5,327.95 / 50 = $106.56

To learn more about how to calculate discounts, please check: brainly.com/question/26061308

5 0

2 years ago