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3 years ago

4x²y + 3y²z - 2xy² - 3x²y + 4y²z

Mathematics

1 answer:

pochemuha3 years ago

7 0

Answer:

=x2y−2xy2+7y2z

Step-by-step explanation:

Simplify

Let's simplify step-by-step.

4x2y+3y2z−2xy2−3x2y+4y2z

=4x2y+3y2z+−2xy2+−3x2y+4y2z

Combine Like Terms:

=4x2y+3y2z+−2xy2+−3x2y+4y2z

=(4x2y+−3x2y)+(−2xy2)+(3y2z+4y2z)

=x2y+−2xy2+7y2z

Answer:

=x2y−2xy2+7y2z

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Step-by-step explanation:

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3 years ago

Read 2 more answers

Weather

prisoha [69]

The total snowfall for listed 10 days is 349 cm.

Further explanation:

The sum of snow fell each day will give us the total snowfall for 10 days.

Given:

Snow fell on 10 days:

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Keywords: Addition, Word problems

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3 years ago

the length of a rectangle is 3 feet more than twice the width. if the width is increased by four feet the perimeter of the new r

densk [106]

Answer:

The area of the original rectangle = 189 sq ft.

Step-by-step explanation:

Let, the width of the rectangle = m feet

So, the length of the rectangle = (2 m + 3) ft

Now, new width w' = (m + 4)

Perimeter of new rectangle (P') = 68 ft

Perimeter of a rectangle = 2 (LENGTH + WIDTH)

⇒68 ft = 2( L + W')

or, 68 ft = 2 [( 2m + 3) + (m + 4)]

or, 2 (3m + 7) = 68

or, 3m + 7 = 68/2 = 34

⇒ 3m = 34 - 7 = 27

⇒ m = 27/3 = 9

or, m = 9 ft

Hence, the original width of the rectangle = 9 ft

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Now, Area of the Rectangle = LENGTH X WIDTH

= 21 ft x 9 ft = 189 sq ft

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3 years ago

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zubka84 [21]

Answer:

27 degrees

Step-by-step explanation:

they have relation with vertical opposite angle

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3 years ago