Help me please!?!?!?!

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Answer 1

Answer: The answer would be A

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Subtract -5/18 - (-1/4) -1/36 -19/36 -1/18 1/36

Jan bought a blazer for $39.90. The price of the blazer was $38. What sales-tax rate was she charged for this blazer percentage wiese

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Answer:

5% sales-tax rate was she charged for this blazer

Step-by-step explanation:

As per the statement:

Jan bought a blazer for $39.90.

The price of the blazer was $38.

Sales tax price = 39.90 - 38 = $1.90

We have to find the sales-tax rate was she charged for this blazer percentage wise.

Using formula:

$\text{Sales tax rate} = \frac{\text{Sale tax}}{\text{Price of the blazer}} * 100$

Substitute the given value we have;

$\text{Sales tax rate} = (1.90)/(38) * 100 = 5\%$

Therefore, 5% sales-tax rate was she charged for this blazer percentage wise

The question asks for sales tax rate. Sales tax is 39.90-38=1.90 and that's taxed onto the original $38 so 1.9/38=0.05
5% tax on the blazer

I need help as soon as possible with the problem bellowSimplify each of the following with justifications for your answer:
a. 290 mod 26
b. 9^{-1} mod 26
c. -15 mod 26

Answers

a) 290 mod 26

We subtract the largest multiple of 26 which is less than 290. The answer we get after the subtraction is the answer.

Largest multiple of 26 is 286, because 26 * 11 = 286

290 - 286 = 4.

290 mod 26 = 4.

b). 9^(-1) mod 26 = 0.111 mod 26.

0 * 26 = 0.
The largest multiple of 26 which is less than 0.111 is 0.
We subtract this from 0.111

0.111 - 0 = 0.111

9^(-1) mod 26 = 9^(-1) = 0.111

c). -15 mod 26.

Take note this is negative numbers. But same rules applies here.

The largest multiple of 26 which is less than -15 is -26.

We subtract this from -15

-15 - (-26) = -15 + 26 = 11

-15 mod 26 = 11

Final answer:

The results of the modulo operations are: 290 mod 26 results in 2; 9^{-1} mod 26 is equivalent to 3; and -15 mod 26 equals 11.

Explanation:

To simplify each of the following with justifications:

290 mod 26: When you divide 290 by 26, the remainder is 2. Therefore, 290 mod 26 = 2.
9^{-1} mod 26: First, you need to find the multiplicative inverse of 9 in mod 26. The multiplicative inverse of an integer a modulo m is an integer b such that (ab) mod m = 1. For 9, the multiplicative inverse is 3, since (9*3) mod 26 = 27 mod 26 = 1. Therefore, 9^{-1} mod 26 = 3.
-15 mod 26: In modular arithmetic, if you end up with a negative number, you add the modulus until you get a positive result. Here, adding 26 once to -15 gives you 11. Therefore, "-15 mod 26 = 11".

Learn more about Modulo Operations here:

brainly.com/question/30264682

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Please helpThese are Honors Geometry problems that I don't understand. Please explain how you got your answers and show you work so I can understand what to do

Please don't erase any answers. I really need help

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First we know that a circle is 360 degrees. From the center of the pentagon if you draw a segment to each point M N P Q R, you create 5 triangles from the center. So 360/5 = 72 degrees. Each 'turn' from letter to letter is a 72degree rotation about the center O.
Moving N 72 degrees maps it onto M. Moving N 144 degrees maps it onto P. Mapping P to Q would be a 72 degree rotation since they are one rotation away from each other. I hope you understand.

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