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Ainat [17]
3 years ago
5

the length of a rectangular goals is represented by the expression 14x-3x^2+2y. the width of the field is represented by the exp

ression 5x-7x^2+7y. how much greater is the length of the field than the width
Mathematics
1 answer:
lozanna [386]3 years ago
3 0
Answer: 9x + 4x²


Explanation:


1) Length = 14x - 3x² + 2y


2) Width = 5x - 7x² + 7y


3) Length - width = [14x - 3x² + 2y] - [5x - 7x² + 7y]

4) Calculate:


i) Distributive property


14x - 3x² + 2y - 5x + 7x² - 2y

ii) Combine like terms:


9x + 4x²


5) Answer: 9x + 4x²
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PLZ HELP 50B please Please Please
Marysya12 [62]

Answer:

$40

$32

Step-by-step explanation:

It says that both your friend's monthly allowance and your monthly allowance together is $72. To find out how much one box is worth, we need to divide $72 by 9 because there are 9 boxes. 72 ÷ 9 = 8.

We know that each box is equal to $8.00, so to find out how much your monthly allowance is, we multiply 8 by 5 because you have five squares.        8 x 5 = 40.

To find out how much money your friend's monthly allowance is, we multiply 8 by 4 because your friend has four squares. 8 x 4 = 32.

We can check our work by adding 40 and 32 together. 40 + 32 = 72. Which means that it is correct. :)

I hope that this helps!

7 0
3 years ago
Identify the slope in -4x+3y=26​
Strike441 [17]
-4 is the slope in the equation
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3 years ago
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Write these lengths in order of size, starting with the smallest. 0.043 km 433cm 4340mm 4.3m
Ahat [919]

The order of length measurement starting with the smallest is 4.3 m, 433 cm, 4340 mm, and 0.043 km.

To compare the given measurements of length, they should have similar units. In this case, we can convert each length measurement to meter. The following conversion of different units to meter is listed below:

  • 1 km = 1000 m
  • 1 cm = 0.01 m or 100 cm = 1 m
  • 1 mm = 0.001 m or 1000 mm = 1 m

Conversion of units to m:

  • 0.043 km * (1000 m/km)= 43 m
  • 433 cm * (0.01 m/cm) = 4.33 m
  • 4340 mm * (0.001 m/mm)= 4.34 m
  • 4.3 m

Lengths in order of size starting with the smallest:

  1. 4..3 m
  2. 433 cm or 4.33 m
  3. 4340 mm or 4.34 m
  4. 0.043 km or 43 m

For more information regarding unit conversion, please refer to brainly.com/question/2555957.

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7 0
2 years ago
Drag the tiles to the correct boxes to complete the pairs. Not all tiles are used.
Sati [7]

Answer:

a) aₙ = 4.(2)^n-1

b) aₙ = 2+3(n-1)

c) aₙ = 3+4(n-1)

d) aₙ = 3.(4)^n-1

Step-by-step explanation:

a) a geometric sequence with first term of 4 and a common ratio of 2

aₙ = ar^n-1

where a is the first term and r is the common ratio

aₙ = 4.(2)^n-1

Comparing with the standard form:

1st term = 4

Common ratio = 2

b) an arithmetic sequence with a first term of 2 and a common difference of 3

The standard form of arithmetic sequence is:

aₙ = a₁ + d(n-1)

where a₁ is the first term and d is the common difference

Given: aₙ = 2+3(n-1)

Comparing with standard equation

First term = 2

Common difference = 3

c) an arithmetic sequence with a first term of 3 and a common difference of 4

The standard form of arithmetic sequence is:

aₙ = a₁ + d(n-1)

where a₁ is the first term and d is the common difference

Given: aₙ = 3+4(n-1)

Comparing with standard equation

First term = 2

Common difference = 3

d) a geometric sequence with first term of 3 and a common ratio of 4

aₙ = ar^n-1

where a is the first term and r is the common ratio

aₙ = 3.(4)^n-1

Comparing with the standard form:

1st term = 3

Common ratio = 4

6 0
4 years ago
The last step in a proof
Rasek [7]
This doesn’t make sense what do u mean by this
3 0
4 years ago
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