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Irina-Kira [14]
3 years ago
6

2) Solve the following equation for x: 2(x-5) = 36 A) 15.5 В) 23 С) 18 D) 13

Mathematics
2 answers:
UNO [17]3 years ago
7 0

Answer:

i got C

Step-by-step explanation:

2(x-5)=36

divide both sides by 2

x-5=13

add 5 to both sides

x=18

Irina-Kira [14]3 years ago
6 0

Answer:

b

Step-by-step explanation:

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What is the answer? Please explain.<br><br> (5x^2 -3) + (2x^2 - 3x^3)
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Answer:

(5x^2-3) +(2x^2-3x^3)

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= 3x^3 +7x^2 -3

Step-by-step explanation:

hope this is correct cuz I'm not an expert...

5 0
3 years ago
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3 years ago
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PLZ HURRY IT'S URGENT!!!<br> Find the volume of the prism.
Mashutka [201]

Answer:

V = 210 cm³

Step-by-step explanation:

The volume (V) of a cube is calculated as

V = Ah ( A is the area of the base and h is the height )

Here A = 5 × 6 = 30 cm² and h = 7 cm , then

V = 30 × 7 = 210 cm³

7 0
2 years ago
If you create a matrix, C, to show the inventory at the end of July, the value of the entry represented by C22 is ?
Inga [223]

Answer:

C_{22} = 389

Max(A_{31}) =376

Step-by-step explanation:

Given

See attachment for complete question

Solving (a): The entry C22

First, matrix C represents the inventory at the end of July.

The entry of C is calculated as:

C = Inventory - Sales

i.e.

C = \left[\begin{array}{ccc}543&356&643\\364&476&419\\376&903&409\end{array}\right]  -  \left[\begin{array}{ccc}102&78&97\\98&87&59\\54&89&79\end{array}\right]

C = \left[\begin{array}{ccc}543-102&356-78&643-97\\364-98&476-87&419-59\\376-54&903-89&409-79\end{array}\right]

C = \left[\begin{array}{ccc}441&278&546\\266&389&360\\322&814&330\end{array}\right]

Item C22 means the entry at the second row and the second column.

From the matrix

C_{22} = 389

Solving (b): The maximum A31 possible.

From the given data, we have:

Inventory = \left[\begin{array}{ccc}543&356&643\\364&476&419\\376&903&409\end{array}\right]

Unit\ Sales =   \left[\begin{array}{ccc}102&78&97\\98&87&59\\54&89&79\end{array}\right]

From the matrices above.

A31 means entry at the 3rd row and 1st column.

So, the possible values of A31 are:

A_{31} = 376

and

A_{31} = 54

By comparison, 376 > 54

So:

Max(A_{31}) =376  

8 0
2 years ago
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