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marysya [2.9K]
3 years ago
8

Help mee please i want to pass

Mathematics
2 answers:
erik [133]3 years ago
7 0

Answer:

Before tax are $538.45

Step-by-step explanation:

549.22 / 1.02 = 538.45

Before tax are $538.45

jekas [21]3 years ago
5 0

Answer:$538.45

Step-by-step explanation: let x be the price before tax was added.

x+0.02x=549.22 1.02x=549.22 x=538.45 (rounded)

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1.6 - 1.3 mathematics
elena-14-01-66 [18.8K]
Answer: 0.3 :) :) :) :)
8 0
3 years ago
What is the measure of the arc from A to B that does not pass through C?
sergeinik [125]

Applying the inscribed angle theorem, the measure of the arc from A to B is: 100 degrees.

<h3>What is the Inscribed Angle Theorem?</h3>

The inscribed angle theorem states that an inscribed angle in a circle is half the central angle.

Angle BAC = 40 degrees, so, central angle = 80 degrees. Arc BC would also be 80 degrees.

Measure of arc AC through point B = 180 degrees.

Arc AB = 180 - 80 = 100 degrees.

Learn more about the inscribed angle theorem on:

brainly.com/question/3538263

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3 0
2 years ago
Given the equation 2^2-^1=8^x-1 what is the value of x
Lady bird [3.3K]

Answer:

i can't solve it because it's not complete

you need something 2^2 (right here) -^1=8^x-1

Step-by-step explanation:

5 0
2 years ago
Do 5/7 and 30/42 form a proportion
GREYUIT [131]
5/7
6*5/6*7
30/42

30/42 = 30/42

Yes, 5/7 and 30/42 form a proportion.
4 0
3 years ago
Nine voltage measurements in a circuit have produced the following values: 12.09, 12.05, 11.94, 11.99, 12.12, 12.05, 12.02, 11.9
Debora [2.8K]

Answer:

we can not reject any value

Step-by-step explanation: From data we can test the highest and the lowest value to evaluate if one of these values are out of certain confidence Interval

If we established CI = 95 % then  α = 5 % and  α/2 = 0,025

From data we find the mean of the values

μ₀  = 12,03   and σ = 0,07

From z table we find z score for 0,025 is  z(c) = ± 1,96

So limits of our CI are:

12,03 + 1,96 =  13,99

12,03 - 1,96 = 10,07

And all our values are within  ( 10,07 , 13,99)

So we can not reject any value

4 0
3 years ago
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