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statuscvo [17]
3 years ago
15

Solve the system using elimination.

Mathematics
1 answer:
yan [13]3 years ago
8 0

Answer:

y=-3

Step-by-step explanation:

5x+7y=-31

(-) 5x-9y+17

-----------------

16y=-48

------------

16       16

y=-3

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96 sq meters
Vsevolod [243]

Answer:

84 sq meters

Step-by-step explanation:

1. Approach

In order to solve this problem, one will have to divide the figure up into simple shapes. A picture is attached showing how the shape is divided up for this answer. Find the area of each region, then add up the results to find the total area.

2. Area of Region 1

As one can see, the length of (Region 1), as given is (6), the width is (3). To find the area multiply the length by the width.

Length * width

6 * 3

= 18

3. Area of Region 2

In (Region 2), the length is given, (12). However, one must find the width, this would be the size of the total side, minus the width of (Region 1). Multiply the length by the side to find the area.

Length * width

= 12 * (8 - 3)

= 12 * 5

= 60

4. Area of Region 3

In (Region 3), the length of the figure is (2), the width is (3). To find the area, multiply the length by the width.

Length * width

= 2 * 3

= 6

5. Total area

Now add up the area of each region to find the total rea,

(Region 1) + (Region 2) + ( Region 3)

= 18 + 60 + 6

= 84

7 0
3 years ago
Which equation has the least steep graph?
MAVERICK [17]

Answer:

y=\frac{1}{4}x+6

Step-by-step explanation:

y=\frac{1}{4}x+6 is the least steeped graph

  1. The greater the slope, the steeper the line.
  2. Also you use the absolute values of the slopes when determining the steepness.
  • So here it would be: \frac{3}{4},7,\frac{1}{4},2
  • Now, arrange them from least to greatest: \frac{1}{4},\frac{3}{4},2,7

As you can see, \frac{1}{4} is the smallest number/slope.

Hope this helps!

7 0
3 years ago
Solve all please, thank you!
Mariana [72]

Answer:

Step-by-step explanation:

5 0
3 years ago
What is 2 2/3 + 3 2/3
Tanya [424]

Answer:

6 1/3

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Use function notation to write a recursive formula to represent the sequence: 4, 8, 12, …
kogti [31]

Answer:

  • f(1) = 4
  • f(n) = f(n - 1) + 4

Step-by-step explanation:

Given the sequence:

  • 4, 8, 12, …

The first term is 4 and common difference is 4

<u>Recursive formula:</u>

  • f(1) = 4
  • f(n) = f(n - 1) + 4

7 0
3 years ago
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