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pickupchik [31]
2 years ago
8

The sales tax for a certain state can be found by multiplying the purchase price by . What is the sales tax on an item that is $

19.49? Express your answer as a decimal rounded to the nearest hundredth.
Mathematics
1 answer:
Tamiku [17]2 years ago
6 0
Ok any more details or is that the question?
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Point B of a triangle ABC is at (4,5). If triangle ABC is reflected about the x-axis and then translated 3 units to the right, w
rosijanka [135]

Answer:

(7,-4)

Step-by-step explanation:

7 0
3 years ago
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Solve 1/2x - 12 = 12
cluponka [151]

Answer:

x = 28.

Step-by-step explanation:

1/2x - 12 = 12

Add 12 to both sides:

1/2x - 12 + 12 = 12 + 12

1/2x = 24

Now, to isolate x  we multiply both sides by 2:

1.2 x * 2 = 24 * 2

x = 48.

6 0
3 years ago
The vertex of this parabola is at (-5, -2). When the x-value is -4, the y-value is 2. What is the coefficient of the squared exp
Montano1993 [528]

Answer:

The coefficient of the squared expression in the parabola equation is a=4

Step-by-step explanation:

The equation of a parabola in its vertex form is:

y = a(x-h) ^ 2 + k

Where the vertex of the parabola is the point (h, k)

a is the ceoficiente of the term to the square.

We need to find the equation of a parabola that has its vertex in the point:

(-5, -2)

So:

h = -5\\\\k = -2

Therefore the equation is:

y = a(x - (-5)) ^ 2 -2\\\\y = a(x + 5) ^ 2 -2

We know that the point (-4, 2) belongs to this parable. Then we can find the value of a by replacing the point in the equation of the parabola

(2) = a((-4) + 5) ^ 2 -2\\\\2 = a(1) ^ 2 -2\\\\2 = a -2\\\\a = 4

Finally the coefficient is a = 4

7 0
3 years ago
Help needed
lora16 [44]

Answer: 570

Step-by-step explanation:

3 0
3 years ago
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2. Red light: Pedro drives the same route to work on Monday through Friday. His route includes one traffic light.
Nataly [62]

Answer:

So, the probability is P=0.018.

Step-by-step explanation:

We know that Pedro drives the same route to work on Monday through Friday.  

We know that  there is a 55% chance that the light will be red.  

We get that p=55%=0.55.

We conclude that the probability of not being a red light:

q=1-p=1-0.55=0.45.

We can calculate the probability that from Monday to Friday when Pedro goes to work there will be no red light, as follows:

P=q^5\\\\P=0.45^5\\\\P=0.018

So, the probability is P=0.018.

8 0
3 years ago
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