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Komok [63]
3 years ago
9

Drag the tiles to the correct boxes to complete the pairs.

Mathematics
1 answer:
Elis [28]3 years ago
6 0

Answer:

Each part is solved and working is shown  

Step-by-step explanation:

1)

-6\displaystyle\frac{4}{9}-3\displaystyle\frac{2}{9}-8\displaystyle\frac{2}{9}\\\\= -\displaystyle\frac{58}{9}-\displaystyle\frac{29}{9}-\displaystyle\frac{74}{9}\\\\= -\displaystyle\frac{161}{9}\\=-17\displaystyle\frac{8}{9}

2)

-12.48-(-2.99) -5.62\\=-12.48 + 2.99 -5.62 \\=-15.11

3)

-19\displaystyle\frac{2}{9}-4\displaystyle\frac{1}{9}+3\displaystyle\frac{4}{9}\\\\= -\displaystyle\frac{173}{9}-\displaystyle\frac{37}{9}+\displaystyle\frac{31}{9}\\\\= -\displaystyle\frac{179}{9}\\=-19\displaystyle\frac{8}{9}

4)

-353.92 - (-283.56) - 131.29\\= -353.92 + 283.56 - 131.29\\= -201.65

5)

83\displaystyle\frac{1}{5}-108\displaystyle\frac{2}{5} + 99\displaystyle\frac{1}{5}\\\\= \displaystyle\frac{416}{5}-\displaystyle\frac{542}{5}+\displaystyle\frac{496}{5}\\\\= -\displaystyle\frac{370}{5}\\= 74

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I really need help on this can someone help me please!!!!
Nikitich [7]
It is rational and equal to 0. square root of 28 simplifies to 2 root 7, because you can take out the 4 and leave the 7 under the radical. because sq rt of 28 is 2 root 7, it's the same as the first term so it equals 0
6 0
3 years ago
Solve the inequality. Graph and check your solutions.
Elza [17]

Answer:

I am sorry just today we start this lesson

4 0
2 years ago
Question number 1 You are comparing the costs of producing jewelry at two different manufacturers. Company 1 charges $3.25 per p
Assoli18 [71]

The value of x at equal total cost is 266.67

Here, we want to solve the equation to get the x-value that shows the total costs for the two companies are equal

We proceed as follows;

\begin{gathered} 3.25x\text{ + 400 = 2.50x + 600} \\ 3.25x-2.50x\text{ = 600-400} \\  \\ 0.75x\text{ = 200} \\  \\ x\text{ = }\frac{200}{0.75} \\ x\text{ = 266.67} \end{gathered}

4 0
10 months ago
N = 9
g100num [7]

Answer:

The <em>p</em>-value is 0.809.

Step-by-step explanation:

In this case we need to perform a significance test for the standard deviation.

The hypothesis is defined as follows:

<em>H</em>₀: <em>σ</em>₀ = 4 vs. <em>Hₐ</em>: <em>σ</em>₀ ≤ 4

The information provided is:

<em>n</em> = 9

<em>s</em> = 3

Compute the Chi-square test statistic as follows:

\chi^{2}=\frac{(n-1)s^{2}}{\sigma_{0}^{2}}

     =\frac{(9-1)\cdot (3)^{2}}{(4)^{2}}\\\\=\frac{8\times 9}{16}\\\\=4.5

The test statistic value is 4.5.

The degrees of freedom is:

df = n - 1

   = 9 - 1

   = 8

Compute the <em>p</em>-value as follows:

p-value=P(\chi^{2}_{9}>4.5)=0.809

*Use a Chi-square table.

Thus, the <em>p</em>-value is 0.809.

7 0
3 years ago
The sum of the two numbers is 40 and the difference is 6. What are the numbers?
natita [175]

Answer:

17 + 23 = 40

23 - 17 = 6 the other person did it right.

6 0
3 years ago
Read 2 more answers
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