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ella [17]
3 years ago
7

$12 meal; 4.5% tax find total cost to the nearest cent

Mathematics
2 answers:
Lemur [1.5K]3 years ago
8 0

Answer:

12.54

Step-by-step explanation:

just multiply 12×0.045 and add the 12.

I hope and this helps.

Have a good day.

Good luck

xz_007 [3.2K]3 years ago
8 0
The answer would be 12.54 i believe sorry if i am wrong
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Math work! Plz help!!
Svetllana [295]
180 + 60x = 2,000

180 is how much money she has already, 60 is how much she makes per week, x is the amount of weeks, and 2,000 is her goal.
5 0
3 years ago
Kelli and Karl each have a job. Kelli earns $20 an hour. She also receives a $100 weekly bonus.
Firlakuza [10]
Answer:   When they work 10 hours each, they both make $300.

kelli    y = 20x + 100
karl    y = 25x + 50

substitution:

y = 20x + 100

25x + 50 = 20x + 100
-20x  -50    -20x   -50
--------------------------------
5x = <span>50 
</span>5       5

x = 10

(Then plug into any equation)
y = 25x + 50
y = 25(10)  + 50
y = 300

When they work 10 hours each, they both make $300.


5 0
3 years ago
Simplify 3/4(1/2x + 4) + 1/2(x − 1)
sergejj [24]

3/4(1/2x + 4) + 1/2(x − 1)

First use distributive property to remove the parentheses:

3/8x + 3 + 1/2x -1/2

Now combine like terms:

7/8x + 2 1/2

3 0
3 years ago
Select ALL the correct answers.
skelet666 [1.2K]

Answer:

The statements that are true are:

  • 1.575 was the coffee yield , in thousands of kilograms,before the honeybees were introduced.
  • 1.16 represents the growth factor that reveals the rate at which the coffee yield increases.
  • 2 is the number of times the coffee yield was compounded per year.

Step-by-step explanation:

We are given a function that models The coffee yield, in thousands of kilograms, t years after the introduction of the honeybees.

Also, the coffee yield increases according to a model where the exponential change is compounded semiannually .

The function is given by:

f(t)=1.575(1.16)^{2t}

Here when t=0, i.e. before the honeybees were introduced we have:

f(0)=1.575

Also, the rate of increase i.e. the growth rate is denoted by : 1.16

Also, 2 represents the number of times the coffee yield is compounded per year.

8 0
3 years ago
Write an equation of a line that passes through the point (1. -4) and has a slope of -3
Anna71 [15]
To answer this, you need to know the slope point formula:
y - y1 = m (x - x1)

In this case, (1, -4) represent y1 and x1. m is equal to the slope, which is -3.

y - (-4) = -3 (x - 1)
y + 4 = -3x + 3
y = -3x + 3
-4
y = -3x - 1

Answer: y = -3x -1
3 0
3 years ago
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