3 years ago

Solve 3(x + 2) > x.

Mathematics

2 answers:

valkas [14]3 years ago

8 0

Answer:

x > -3

Step-by-step explanation:

Kamila [148]3 years ago

6 0

Answer:

3x + 6 > x

2x > -6

x > -3

answer is d

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Solve for the values of x and y.

Alekssandra [29.7K]

Answer:

x = 20

y = 7.2

Step-by-step explanation:

12/x = 9/15

9x = 180

x = 20

12/x= y/12

12/20 = y/12

144 = 20y

y = 7.2

y = 20

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3 years ago

What is (7-3b)(7+3b)

lidiya [134]

The answer i got was 49-9b^2

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2 years ago

Marie is bringing bagels and cream cheese to school as a birthday snack for her class. The cost of b bagels and c packages of cr

Julli [10]

Answer:

30.5 is the answer

Step-by-step explanation:

price of 1 bagels=0.85

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30*0.85+2*2.5

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2 years ago

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Can anyone do this without seeing the whole thing?

Slav-nsk [51]

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A or B (It can be any)

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3 years ago

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A carpenter has a rectangular wooden board. The diagonal of the board is 18 inches long and one side of the board is 12 inches l

BaLLatris [955]

In this question, it is given that the diagonal of the board is 18 inches long and one side of the board is 12 inches long.

Let the other side is of length b inches .

Now we use pythagorean identity, which is

$a^2 + b ^2 = c^2$

Here, a = 12 and c=18

Substituting these values, we will get

$12^2 + b^2 = 18^2 \\ 144 + b ^2 = 324 \\ b^2 = 324-144 \\ b^2 = 180 \\ b= \sqrt{180} \\ b = 13.4164 inches$

And the formula of perimeter is

$Perimeter = 2(Sum\ of \ legs)$

Substituting the values of the two legs, we will get

$Perimeter = 2(12+13.4164) = 50.83 inches$

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3 years ago

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