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Sunny_sXe [5.5K]
3 years ago
5

- There are 24 bottles of water in a case.

Mathematics
1 answer:
muminat3 years ago
7 0

Answer:

96

Step-by-step explanation:

No. Of bottles in a case × No. Of cases bought

24 × 4

= 96

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Please, help and please answer my questions Lately, no-one's answering my questions-
evablogger [386]

Answer:

I think the last you already have is right. I wasn’t very good at this but I try

Step-by-step explanation:

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2 years ago
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Use matrix inversion to solve the collection of systems of linear equations. HINT [See Example 4.] (a) −x − 4y + 2z = −10 x + 2y
omeli [17]

Answer:

Step-by-step explanation:

given is a system of linear equations in 3 variables as

-x - 4y + 2z = −10\\ x + 2y - z = 11 \\x + y - z = 14

This can be represented in matrix form as

AX=B Or

\left[\begin{array}{ccc}-1&-4&2\\1&2&-1\\1&1&-1\end{array}\right] *\left[\begin{array}{ccc}x\\y\\z\end{array}\right] =\left[\begin{array}{ccc}-10\\11\\14\end{array}\right]

So solution set

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|A|=-1(-1)+4(0)+2(-1)=--1

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-2   -1     -3

0     1      2

So inverse of A is

1    2   0

0   1     -1  

1     3      -2

Solution set would be

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8 0
3 years ago
Calculate the area of the shaded region between the regular polygons. Round to the nearest hundredth.
wolverine [178]

Answer:

I hope I'll help you with this but I am not sure of it all...

The area of the shaded region is 46,77

Step-by-step explanation:

To determine the area of the shaded hexagon, we must first calculate te area of the whole shaded hexagon and minus that by the white little hexagon.

The formula to calculate the area of a hexagon is (3√3 s2)/ 2

(where s = one side of the hexagon)

if one side a the little white hexagon equals 6 ft;

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3√3 12 ft.2/2 = 72√3/2 = 36√3

now the area of the bigger one minus the area of the smaller one;

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3 0
2 years ago
How do you solve this question<br><br> /
Alinara [238K]

Answer:

5/18

Step-by-step explanation:

Parentheses next to each other mean to multiply. So, this problem means you need to multiply -4/9 and -5/8. To multiply fractions, you just have to multiply across. To make it easier to understand what I mean...

<u>-4 </u>x <u>-5</u>  = <u>20</u> (when you multiply two negatives, it makes a positive)

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20/72 simplifies to 5/18.

Hope this helps!! Have a wonderful day C:

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3 years ago
An airplane cruises 1 kilometer in 1 12 of a minute. What is its cruising speed?
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