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Angelina_Jolie [31]
3 years ago
10

5. Find the total cost to the nearest hundredth. $12.99 T-shirt, 6% tax

Mathematics
1 answer:
Vlada [557]3 years ago
4 0

Answer:

$13.80

Step-by-step explanation:

So we start with 12.99 then we have to multiply that by 0.06 to find what we would add which is 0.7794. After this we add 12.99 with 0.7794 and it becomes 13.7694 round this to the nearest hundredth and it becomes 13.80

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At a cost restaurant the cost for a hot dog and a soft drink is $2.10. The cost for two hot dogs and three soft drinks is $5.15.
Alja [10]

Answer:

The cost of soft drink is $0.95

Step-by-step explanation:

Let the cost of hot dog be x

Cost of 2 hot dogs = 2x

Let the cost of soft drink be y

Cost of 3 soft drinks = 3y

At a cost restaurant the cost for a hot dog and a soft drink is $2.10.

So, x+y=2.10

The cost for two hot dogs and three soft drinks is $5.15

So, 2x+3y=5.15

Plot the lines on the graph:

x+y=2.10 --Purple line

2x+3y=5.15 --- Black Line

Intersection point =(x,y)=(1.15,0.95)

Hence The cost of soft drink is $0.95

7 0
3 years ago
Calculate the average rate of change for the function f(x)=x^4+3x^3-5x^2-2, from x=-1 to x=1
PSYCHO15rus [73]

1

∫ f(x) dx = x⁵/5 + 3x⁴/4 - 5x³/3

-1

[1⁵/5 + 3⁴/4 - 5³/3] - [ -1⁵/5 -3⁴/4 +5³/3]

plug that into your calculator and that's your rate of change

5 0
3 years ago
PLEASE HELP!? Not that hard.
kobusy [5.1K]
Y = 4x - 1

// Plug this in for variable y in equation [1]

[1] 20x - 5•(4x-1) = 5
[1] 0 = 0 => Infinitely many solutions
8 0
3 years ago
Read 2 more answers
there is a group of 4 people ordering pizza. each person gets 6 slices and there are 8 slices in each. how many pizzas should th
labwork [276]
They should get 3 pizzas.

4*6=24

24/8=3
4 0
3 years ago
Goran rented a truck for one day. There was a base fee of $17.99 , and there was an additional charge of 75 cents for each mile
Vikki [24]
Cost of the total miles travelled
= $191.24 - $17.99
= $173.25

Miles travelled
= $173.25 ÷ 0.75
= 129.9375 miles
≈ 130 miles (3s.f)
8 0
3 years ago
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