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UNO [17]
3 years ago
5

Solve the system of equations. Simplify your answer. Write the solution as an

Mathematics
1 answer:
Irina-Kira [14]3 years ago
8 0

Answer:

(-29,-27.4)

Step-by-step explanation:

2p+59=1

     -59 -59

2p=-58

/2     /2

p=-29

5p+139=2

     -139 -139

5p=-137

/5      /5

p=-27.4

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Find the area of a regular decagon with perimeter 100 units. Show all work.
Slav-nsk [51]
A regular polygon has ten (10) equal sides ( since it is regular).
We are given with the perimeter value which is 100 units and the perimeter formula is P = 10a
Solving for a (the side measurement), we have:
100 = 10a
a= 100/10
a =10

We can now proceed in solving the area and the formula is shown below:
Area = 5/2 a√ (5+2√5)
Area = 5/2 * 10√(5+2√5)
Area = 76.94 square units

The answer is 96.94 square units.
4 0
4 years ago
The temperature is -3°F at 7:00 A.M. During the next 4 hours, the temperature increases 21°F. What is the temperature at 11:00 A
3241004551 [841]

Answer: 18°F

Step-by-step explanation: if you add 21 and -3 you get 18

4 0
4 years ago
Please help! I need help on this one!
gregori [183]

Answer:

-4< (with line underneath) x <(with line underneath) 4

Step-by-step explanation:

8 0
4 years ago
HELP FAST I’LL MARK YOU BRAINLIEST What is the slope of a line perpendicular to the line whose equation is 6x+4y=72. Fully reduc
denis23 [38]

Answer:

2/3

Step-by-step explanation:

6x + 4y = 72

-6x         -6x

4y = 72 - 6x

/4         /4

y = 18 - 6/4x

y = -6/4x + 18

perpidicular slope is the opposite reciprical of the original line:

-6/4 is the slope of the line above.

4/6  or 2/3 would be the desired slope

check:

the two slopes mutplied would equal -1

-6/4 x 2/3 = -12/12 = -1

4 0
3 years ago
The sum of two numbers is 27. The larger number is 6 more than twice the smaller number. What are the numbers?
yawa3891 [41]

Answer:

Let the smaller number be x

Then the sum is

(6 + 2x) + x = 27

We now find for x

2x + x + 6 = 27

3x + 6 = 27

3x = 27-6

3x = 21

x = 21/3

x = 7

Therefore the smaller number is 7

The larger number is (2×7) + 6 = 20

6 0
3 years ago
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