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Lesechka [4]
3 years ago
6

Answer and solution in 2xy-5yz-4x+10z

Mathematics
1 answer:
xxTIMURxx [149]3 years ago
5 0

Answer:

2xy+10z-5yz-4x

Step-by-step explanation:

Just put the positives and negatives together. You can't add or subtract any of them because they aren't like terms.

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melomori [17]

Answer:

The number pattern is that the decimal point moves one place to the left each time.

Next three numbers: 7.3456, 0.73456, 0.073456

Step-by-step explanation:

8 0
2 years ago
What are the solutions of the following system? StartLayout Enlarged left-brace 1st row 10 x squared minus y = 48 2nd row 2 y =
jeyben [28]

Answer:

<u>The solutions of the system ⇒ (-6 , 312) and (6 , 312)</u>

Step-by-step explanation:

Given:

10x² - y = 48  ⇒(1)

2y = 16x² + 48 ⇒(2)

From eq.(1) ⇒ y = 10x² - 48 ⇒(3)

By substitution with y from eq.(3) at eq.(2)

∴ 2(10x² - 48) = 16x² + 48

Solve for x

∴ 20x² - 96 = 16x² + 48

∴ 20x² - 16x² = 48 + 96

∴ 4x² = 144

∴ x² = 144/4 = 36

∴ x = ±√36 = ±6

By substitution with x at eq.(3)

when x = 6 ⇒ y = 10x² - 48 = 10 * 6² - 48 = 10 * 36 - 48 = 312

when x = -6 ⇒ y = 10x² - 48 = 10 * (-6)² - 48 = 10 * 36 - 48 = 312

<u>So, there are two solutions of the system which are (-6,312) and (6,312)</u>

3 0
3 years ago
Write an expression for the calculation double the product of 4 and 7.
Setler [38]

Answer:

2(4+7)

Step-by-step explanation:

The answer is above

8 0
3 years ago
What is the volume of the item described? A capsule consisting of a cylinder of radius 3 mm and height 6 mm with a hemisphere on
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The answer is e because the volume is 54 pi mm^3. This is because the volume of a cylinder is pi * r^2 * h. 
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2 years ago
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