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3 years ago

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

2 answers:

7 0

There are several information's already given in the question. based on those given information's the answer can be easily deduced.

Price at which Jan bought the blazer = $39.90
Actual price of the blazer = $38
Then
Sales tax charged on the blazer = 39.90 - 38.00
= 1.90 dollars
I hope the above procedure is clear enough for you to understand and this was the answer that you were looking for.

dezoksy [38]3 years ago

7 0

Answer:

$1.90?

Explanation:

im not sure but it seems close

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Explanation:

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3 years ago

The ability to use technology and commitment to stay informed on the latest technological developments is calledb

cluponka [151]

Answer:

Management of organizations

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3 years ago

Gilberto's Performance Pizza is a small restaurant in Chicago that sells gluten-free pizzas. Gilberto's very tiny kitchen has ba

Leno4ka [110]

Answer:

However, Gilberto's decision regarding how many workers to use can vary from week to week because his workers tend to be students. Each Monday, Gilberto lets them know how many workers he needs for each day of the week. In the short run, these workers are VARIABLE inputs, and the ovens FIXED inputs.

Explanation:

In the long run, all inputs are variable. E.g. in 5 years Gilberto might build his own pizza place and he will be able to make the kitchen as large as he wants.

But in the short run, some inputs are variable because they can be changed immediately, e.g. the number of workers changes on a weekly basis. While other inputs are fixed, and cannot be changed, e.g. Gilberto has a two yer lease contract for the ovens, so he will continue to use these ovens until the lease expires (in 2 years).

The long run and short doesn't depend on time, but on the ability of being able to change the inputs consumed by a business. The long run might represent 10 years for a company that signed a 10 year lease contract.

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3 years ago

Let $S$ be the set of complex numbers of the form $a + bi,$ where $a$ and $b$ are integers. We say that $z \in S$ is a unit if t

lakkis [162]

Answer:

Number of units possible in S are 4.

Explanation:

Given S is a set of complex number of the form $a+bi$ where a and b are integers.

$z\in S$ is a unit if $w\in z$ exists such that $zw=1$ .

To find:

Number of units possible = ?

Solution:

Given that:

$zw = 1$

Taking modulus both sides:

$|zw| = |1|$

Using the property that modulus of product of two complex numbers is equal to their individual modulus multiplied.

i.e.

$|z_1z_2|=|z_1|.|z_2|$

So,

$|zw| = |1|\\\Rightarrow |zw| =|z|.|w| =1\\\Rightarrow |z|=\dfrac{1}{|w|}$ ......... (1)

Let $z=a+bi$

Then modulus of z is $|z| = \sqrt{a^2+b^2}$

Given that a and b are integers, so the equation (1) can be true only when $|z| = |w| =1$ (Reciprocal of 1 is 1). Modulus can be equal only when one of the following is satisfied:

(a = 1, b = 0) , (a = -1, b = 0), (a = 0, b = 1) OR (a = 0, b = -1)

So, the possible complex numbers can be:

$1.\ 1 + 0i = 1\\2.\ -1 + 0i = -1\\3.\ 0+ 1i = i\\4.\ 0 -1i = -i$

Hence, number of units possible in S are 4.

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3 years ago

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Stolb23 [73]

Answer:

Imports.

Explanation:

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3 years ago