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mr_godi [17]
3 years ago
6

Solve the equation negative 3X +9 equals three(2x+3) + 3(x-4) + 1

Mathematics
1 answer:
timofeeve [1]3 years ago
5 0

Answer:

1

Step-by-step explanation:

-3x+9=3(2x+3)+3(x-4)+1

Distributive property in the parenthesis

-3x+9=6x+9+3x-12+1

Combine Like Terms

-3x+9=9x-2

Get the x’s on one side

-3x+9=9x-2

+3.  +2    +3. +2

11=11x

Divide by 11 on both sides

11/11=1

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The length of a iron-sheet and copper-sheet is 672 cm and 960 cm respectively.what will be the length of the highest piece of eq
marissa [1.9K]
In order to calculate the length of highest piece, You need to calculate the Greatest common divisor of 672 & 960 which is 96

So, the length of highest piece would be 96 cm

Now, Number of pieces of Iron-sheet = 672 / 96 = 7
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Hope this helps!
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Determine whether each quadrilateral is a parallelogram. Justify your answer. Yes/No? Reason... opposite side congruent, opposit
Alex_Xolod [135]

Answer:

Yes! The given quadrilateral represents Parallelogram.

Reason: The given quadrilateral has opposite sides congruent.

Step-by-step explanation:

Given the quadrilateral with the four vertices.

  • Now in order to determine whether the given quadrilateral is a parallelogram or not, we need to check whether the opposite sides are congruent or not.

  • It is clear that the given quadrilateral has opposite sides congruent.

Therefore, the given quadrilateral represents Parallelogram.

Hence,

Yes! The given quadrilateral represents Parallelogram.

Reason: The given quadrilateral has opposite sides congruent.

7 0
3 years ago
A cheesecake recipe says, “Mix 12 oz of cream cheese with 15 oz of
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Answer:

1.5

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If y varies directly as x, find the direct variation equation for the situation
Phantasy [73]

Answer:

y = x / 7

Step-by-step explanation:

For us to get direct variation equation, we must introduce a constant term.

If y varies directly as x:

y ~ x

y = Kx

Where K, is the introduced constant.

Now let's solve to get a direct variation equation.

When y=3 , x=21

We substitute, y=3 and x=21 in the

y = Kx

3 = K 21

Divide both sides by 21

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Therefore, we introduce K = 1 / 7 into the mother equation.

y = 1/7 * x

y = x / 7

The direct variation equation for the situation:

y = x / 7

8 0
3 years ago
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