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Andrej [43]
2 years ago
5

6. Find the slope. Make sure to reduce.

Mathematics
1 answer:
zaharov [31]2 years ago
5 0

Answer:

the slope is -1/7 hope this helps

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The perimeter of a rectangle is 36m. If its length is increased by 1m and the width is increased by 2m, its area will increase b
maw [93]

Answer:

  80 m^2

Step-by-step explanation:

The given information lets you write two equations involving length (x) and width (y).

  • 2(x +y) = 36 . . . . the perimeter is 36 m
  • (x+1)(y+2) -xy = 30 . . . . increasing the length and width increases area

The second of these equations simplifies to another linear equation, giving a system of linear equations easily solved.

  xy +y +2x + 2 -xy = 30

  2x +y = 28 . . . . . . . subtract 2

Dividing the first equation by 2 gives

  x +y = 18

and subtracting this from the above equation gives ...

  (2x +y) -(x +y) = 28 -18

  x = 10

Then

  y = 18 -10 = 8

The area of the original rectangle is xy = 10·8 = 80 m^2.

4 0
3 years ago
What is the location of F on the decimal number line below?<br> Write your answer as a decimal
Masja [62]

Answer:

6.45

Step-by-step explanation:

Every part is 0.01 bigger or smaller

You can find it out by subtraction and then division

6.5 - 6.4 = 0.1

0.1 : 10 = 0.01

There are 10 parts that's why you divide it by 10.

If there will be 2 parts you will divide by 2

4 0
2 years ago
(12x - 2y + 3/5) - (1/4 - 8x + 6y)
Neko [114]

Answer:

20x-8y+ 7/20

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Need Help!
Nezavi [6.7K]

Answer:

fraction 1 and 3 over 5

Step-by-step explanation:

2:3 is equal to 8 blocks

5:12 is equal to 5 blocks

if you divide them, the result is:

8/5 which is the same as 1 3/5

because 5 is contained 1 time in 8 and the rest is 3

7 0
3 years ago
Which of the following best describes a rational exponent
bija089 [108]
The answer I think is B
3 0
3 years ago
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