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Alex_Xolod [135]
4 years ago
5

Зу - 2(5y - 7) = -9y + 6​

Mathematics
1 answer:
Iteru [2.4K]4 years ago
4 0

Answer:

y = -4

Step-by-step explanation:

3y - 2(5y - 7) = -9y + 6 (Given)

3y - 10y + 14 = -9y + 6 (Distribute)

-7y + 14 = -9y + 6 (Add like terms)

2y + 14 = 6 (Add 9y on both sides)

2y = -8 (Subtract 14 on both sides)

y = -4 (Divide 2 on both sides)

You can check by substituting the solution for y:

3(-4) - 2(5(-4) - 7) = -9(-4) + 6

-12 - 2(-20 - 7) = 36 + 6

-12 - 2(-27) = 42

-12 + 54 = 42

42 = 42

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Vlada [557]

Answer:

Dear User

Answer to your query is provided below

X = 2/7 or X = -3/2

Step-by-step explanation:

Explanation for the same is attached in image

8 0
3 years ago
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A. 5/12
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Solve (x − 2) = 3<br> Give your solutions correct to 3 significant figures.
Pachacha [2.7K]

Answer:

(x − 2) = 3

Remove the bracket

x - 2 = 3

Group the constants at one side of the equation

x = 2 + 3

x = 5

Therefore x = 5.00 to 3 significant figures.

Hope this helps

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4 years ago
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bearhunter [10]

I will mark you brainly Answer the following questions. Questions What is an amount between $2 and $10? (A) __________ What is an amount between $10 and $20? (B) __________ What is an amount greater than $50? (C) __________ What is your name? (D) _________________ What is the name of an item that you will buy only once? (E) _________________ What is the name of an item that you will buy more than once? (F) _________________ Create a word problem that leads to an inequality by filling in the blanks with your corresponding answers. Word Problem (D) _________________ is going shopping for (E) _________________ and (F) _________________. The cost of (E) _________________ is (B) __________ and the cost of each (F) _________________ is (A) __________. If (D) _________________ can spend at most (C) __________, how many (F) _________________ can be purchased? Write an inequality of the form Ax + B ≤ C to represent the word problem using your answers for A, B, and C. Solve the inequality and show your work. Graph the solution to your inequality on a number line or describe, in words, how to graph the inequality on a number line. Explain what the solution means in the context of the word problem.

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3 years ago
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Which has the greater surface area? A 6-centimeter cube or a rectangular prism with a 3 centimeter square base and a height of 1
bazaltina [42]

Answer:

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Step-by-step explanation:

The surface area of a cube is:

A=6L^2

where

L is the length of the side

For the cube in this problem,

L = 6 cm

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where

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h = 12 cm

Therefore,

A=2\cdot 3^2 + 4(3)(12)=162 cm^2

So, the prism has a greater surface area.

3 0
3 years ago
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