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3 years ago

What is 3(x+2)-4= -(x-6)?? I need the answer to x??

Mathematics

2 answers:

IgorC [24]3 years ago

8 0

Answer:

x = 1

Step-by-step explanation:

3(x+2) - 4 = -(x-6) | Given

3x + 6 - 4 = -x + 6 | Distribute.

On the right side, where there is a minus on the outside of the parenthesis you can assume there is a 1. Flip the signs and multiply everything inside by -1.

3x + 2 = -x + 6 | Add the numbers

3x = -x + 4 | Subtract 2 from both sides

4x = 4 | Add x to both sides

x = 1 | Divide both sides by 4.

Nataly_w [17]3 years ago

4 0

Answer:

x=1

Step-by-step explanation:

3x+2= -x+6

4x=4, x=1

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Work out the area of the trapezium ABDE. B 9 cm 6 cm 8 cm →D E

Evgen [1.6K]

Answer:

Area of the trapezium ABDE = 30 cm²

Step-by-step explanation:

Area of a trapezium = $\frac{1}{2}(b_1+b_2)h$

Here, $b_1$ and $b_2$ are the parallel sides of the trapezium

h = Distance between the parallel sides

From the picture attached,

ΔCAE and ΔCBD are the similar triangles.

So by the property of similarity their sides will be proportional.

$\frac{AE}{BD}= \frac{CE}{CD}$

$\frac{9}{6}=\frac{CE}{8}$

CE = $\frac{9\times 8}{6}$

CE = 12 cm

Therefore, DE = CE - CD

DE = 12 - 8 = 4 cm

Now area of trapezium ABDE = $\frac{1}{2}(AE+BD)(DE)$

= $\frac{1}{2}(6+9)4$

= 30 cm²

Therefore, area of the trapezium ABDE = 30 cm²

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3 years ago

Does any know this answer

vichka [17]

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3 years ago

Express the measurement 4.29478416 kg with 8, 6, 4, and 2 significant figures

ira [324]

Significant figures refers to digits within a number which must be included in other depict correct quantity of the figure.

4.29478416 = 4.2947842 ( 8 significant figures)
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4.29478416 = 4.3 (2 significant figures)

To round a number to a certain number of significant figures,

Only leading 0 which comes before the decimal Point are regarded as insignificant.
Once the number of significant figures have been identified, the next number after this is either rounded up to 1 and added to the last value(if number is ≥5) or rounded to 0 (if number is less than 5)

Learn. More : brainly.com/question/13386983?referrer=searchResults

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2 years ago

Need a Quick answer please

rusak2 [61]

Answer:

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Step-by-step explanation:

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3 years ago

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lianna [129]

Answer:

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Step-by-step explanation:

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3 years ago

What is 3(x+2)-4= -(x-6)?? I need the answer to x??​

What is 3(x+2)-4= -(x-6)?? I need the answer to x??