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3 years ago

Simplify this algebraic expression completely 5y - 3(y+2)

Mathematics

1 answer:

Umnica [9.8K]3 years ago

4 0

Answer: 2y - 6

Step-by-step explanation:

This problem utilizes the Distributive Property of Multiplication. It states that: a(x + y) = ax + ay.

Thus, utilizing this property (distributing -3), change the equation into:

5y - 3y - 6

Then, simply combine like terms to get:

2y - 6

Hope it helps :) and let me know if you want me to elaborate.

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Keith_Richards [23]

AD that is the answer

6 0

2 years ago

Parallelogram RSTU is rotated 180° clockwise

julia-pushkina [17]

Answer:

Two pairs of parallel sides

Step-by-step explanation:

The given transformation performed on parallelogram RSTU = 180° clockwise rotation

Given that a rotation is a form of rigid transformation, the shape and size of the preimage RSTU will be equal to the the shape and size of the image R'S'T'U'

Therefore, RSTU ≅ R'S'T'U' and R'S'T'U' is also a parallelogram with two pairs of parallel sides.

4 0

3 years ago

Prove this trigonometric identity sin 3x/sin x - cos 3x/cos x =2

Sveta_85 [38]

Step-by-step explanation:

LHS= sin 3x/sin x - cos 3x/cosx

Taking LCM,

=sin3xcosx- cos3xsinx

sinxcosx

=sin(3x-x)

sinxcosx

= 2sin2x

2sinxcosx

= 2sin2x

sin2x

= RHS.

Proved.

8 0

4 years ago

The value of y varies directly with x. If x = 6, then y = 27. What is the value of y when x = 10 ?

Alik [6]

B - 45 because 27 divided by 6 is 4.5 and then 10x4.5=44

7 0

3 years ago

WILL GIVE BRAINLIEST IMMEDIATELY!!!!!!!

Bas_tet [7]

Answer:

Step-by-step explanation:

When flipping, the y-levels of E' and F' do not change, meaning that as they are transferred across the y-axis, they keep their parallel to the original points.

6 0

3 years ago