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3 years ago

BRAINLIESTT ASAP! PLEASE HELP ME :) thanks!

Mathematics

2 answers:

VashaNatasha [74]3 years ago

5 0

Since 3x+17=5x-3, x= 10. so angles

azamat3 years ago

4 0

In the parallelogram shown in the image, the opposite angles are the same.

So, ∠D = ∠B (3x + 17 = 5x - 3)

Solve for x.

3x + 17 = 5x - 3

~Subtract 17 to both sides

3x + 17 - 17 = 5x - 3 - 17

~Simplify

3x = 5x - 20

~Subtract 5x to both sides

3x - 5x = 5x - 5x - 20

~Simplify

-2x = -20

~Divide -2 to both sides

-2x/-2 = -20/-2

~Simplify

x = 10

Substitute x with 10 for ∠B

5(10) - 3

50 - 3

47°

Parallelograms have adjacent angles which are supplementary.

So, ∠A + ∠B = 180°

We know that ∠B = 47°, so, solve for ∠A.

∠A + 47 = 180

∠A + 47 - 47 = 180 - 47

∠A = 133°

Therefore, the measure of ∠DAB is 133°

Best of Luck!

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3 years ago

Simplify the expression. Assume all variables are positive. <br> (r/32s)^8/5

balandron [24]

Answer:

Step-by-step explanation:

Alright, lets get started.

The given expression is :

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Hope it will help :)

6 0

3 years ago

Emily's younger brother, Kenny, begged her to make him a superhero costume for Halloween this year, so of course Emily did! Emil

iris [78.8K]

Answer:

20 inches

Step-by-step explanation:

Since the cape is trapezoid shaped and has an area of 600 in², the area of a trapezoid is given by

A =1/2(a + b)h where a = length along the top of the cape = 24 in, b = length along the bottom of the cape = 36 in and h = height of the cape

So, h = 2A/(a + b)

= 2 × 600 in²/(24 in + 36 in)

= 1200 in²/60 in

= 20 in

So, the height of the cape is 20 inches

6 0

2 years ago