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spayn [35]
2 years ago
7

2 1/4 - 1 2/3 as a mixed number?

Mathematics
1 answer:
Gnom [1K]2 years ago
5 0
Answer:

7/12

Step-by-step explanation:

2 1/4 - 1 2/3 =

2 3/12 - 1 8/12 =

7/12
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Kira looked through online census information to determine the average number of people living in the homes in her city. What is
Goshia [24]
First we need to identify if the data is qualitative or quantitative.

The data is average number of people living in the homes.

Qualitative data as its name indicates is an attribute or characteristic. It can not be measured e.g color. Quantitative data is such a data which can be counted or measured.

Since the average number of people can be counted and measured, the data is Quantitative.

In an observational study the individuals are observed. In the given case, Kira did not observed the individuals to gather the data, rather she used an Online resource to gather the data.

Therefore, the correct answer will be:
Kira used published data that is quantitative.
4 0
3 years ago
Read 2 more answers
7987.1569 to the nearest thousandth
natima [27]

Answer:

7987.1569 to the nearest thousandths is 7987.157

Step-by-step explanation:

7 0
3 years ago
an aquarium is on sale for $59.50 if this price represents a 15% discount from the oringanl price what is the origanl price
Veronika [31]
Question: An aquarium is on sale for $59.50. If this price represents a 15% discount from the original price, what is the original price? 

First, you multiply the sale price and the 15% discount

$59.50*.15 = [tex]$8.92 [/tex] (To change the percent to a decimal, you take out the percentage sign and divide by 100)

Now add $59.50 to $8.92

59.50+8.92=$68.43

Answer:

$68.43 (when rounded to the nearest cent)
or
$68 (when rounded to the nearest dollar)
or
$70 (when rounded to the nearest ten dollar)
5 0
3 years ago
let a = (a1, a2) and b = (b1, b2) and c = (c1,c2) be three non zero vectors. if a1b2 - a2b1 is not equal to 0. then show three a
Ksenya-84 [330]

Consider the contrapositive of the statement you want to prove.

The contrapositive of the logical statement

<em>p</em> ⇒ <em>q</em>

is

¬<em>q</em> ⇒ ¬<em>p</em>

In this case, the contrapositive claims that

"If there are no scalars <em>α</em> and <em>β</em> such that <em>c</em> = <em>α</em><em>a</em> + <em>β</em><em>b</em>, then <em>a₁b₂</em> - <em>a₂b₁</em> = 0."

The first equation is captured by a system of linear equations,

\begin{cases}c_1 = \alpha a_1 + \beta b_1\\ c_2 = \alpha a_2 + \beta b_2\end{cases}

or in matrix form,

\begin{pmatrix}c_1\\c_2\end{pmatrix} = \begin{pmatrix}a_1&b_1\\a_2&b_2\end{pmatrix}\begin{pmatrix}\alpha\\\beta\end{pmatrix}

If this system has no solution, then the coefficient matrix on the right side must be singular and its determinant would be

\begin{vmatrix}a_1&b_1\\a_2&b_2\end{vmatrix} = a_1b_2-a_2b_1 = 0

and this is what we wanted to prove. QED

3 0
3 years ago
Please help me with this math question and thank you to those who can and will help me.
Roman55 [17]

Answer: B plz mark me bralny

Step-by-step explanation:

3 0
3 years ago
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