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Zielflug [23.3K]

4 years ago

6

If he simplifies the expression, which statements are true about the parts of the simplified expression? Check all that apply. 3

x + x + 5 – 2x

1 answer:

frutty [35]4 years ago

6 0

<span>3x + x + 5 – 2x =

= 3x + x - 2x + 5

= 2x + 5
</span>

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In quadrilateral ABDC, AB ∥ CD. Which additional piece of information is needed to determine that ABDC is a parallelogram? AB ≅

torisob [31]

Answer:

Step-by-step explanation:

For any quadrilateral to be a parallelogram

i) either both the pairs of opposite sides must be equal

ii) Both the pairs of opposite sides must be parallel

iii) Opposite pairs of angles must be equal

iv) Diagonals must bisect each other.

v) A pair of opposite sides must be parallel and equal

Here we are already given that AB || CD

So either we should be given that AD || BC

or we must be given that AB = CD

Here it is given AB = CD as an option.

So Option A) or the first option is the right answer that AB ≅CD is needed to prove ABCD is a parallelogram.

6 0

2 years ago

6x+1 = -8x-13<br> pleasee

DiKsa [7]

Answer: $x=-1$

<u>Add 8x to both sides</u>

<u></u> $6x+1+8x=-8x-13+8x\\14x+1=-13$ <u></u>

<u></u>

<u>Subtract 1 from both sides</u>

<u></u> $14x+1-1=−13-1\\14x=-14$ <u></u>

<u></u>

<u>Divide both sides by 14</u>

<u></u> $14x/14=-14/14\\x=-1$ <u></u>

5 0

4 years ago

Read 2 more answers

PLEASE HELP!! Pleaseee

zhenek [66]

$▪▪▪▪▪▪▪▪▪▪▪▪▪ {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪$

The given angles are forming alternate interior pair, so :

$4x - 2 = 3x + 6$

$4x - 3x = 6 + 2$

$x = 8$

hence, value of x = 8°

6 0

3 years ago

When constructing parallel lines with a compass and straightedge, how should you start the construction?

kykrilka [37]

I believe its d because that was what I was doing 2days ago

6 0

4 years ago

Read 2 more answers

Need answer this urgent and fast

Karo-lina-s [1.5K]

Answer:

56

Step-by-step explanation:

Hey There!

so this is a parallelogram so opposite angles are congruent

So basically what i am saying is that angle P is congruent to angle R

So we need to solve for x

We know that angle P and angle Q are supplements meaning that they will add up to 180

so we setup the equation

$180=3x+5+8x-12\\$

step 1 combine like terms

$3x+8x=11x\\5-12=-7$

now we have

180=11x-7

step 2 add 7 to each side

180+7=187

-7+7 cancels out

now we have

187=11x

step 2 divide each side by 11

187/11=17

x=17

now we plug in 17 to (3x+5) to get the value of angle R

17x3=51

51+5=56

therefore m∠R = 56

5 0

3 years ago