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nexus9112 [7]
3 years ago
5

Please help, urgent​

Mathematics
2 answers:
Mariana [72]3 years ago
6 0

Answer:

Step-by-step explanation:

Use Pythagoras theorem

12 /2 = 6 inches

l^2 = 15^2 + 6^2

LenKa [72]3 years ago
3 0
Answer- 261. L^2=15^2+(12:2)^2 pyphagoris teorym
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What is the solution to this system of equations?<br> y = -3x - 2<br> 6x +2y = -4
stepan [7]

Answer:

There are infinite solutions

Step-by-step explanation:

Both of these equations are the exact same. 6x+2y=-4 in y=mx+b form is y = -3x - 2. This means that since they are exactly the same, there are infinite solutions.

5 0
3 years ago
Rational numbers and irrational numbers defination
Zina [86]

Answer:

rational numbers- In mathematics, a rational number is a number that can be expressed as the quotient or fraction p/q of two integers, a numerator p and a non-zero denominator q. Since q may be equal to 1, every integer is a rational number.

Example: π (Pi) is a famous irrational number.

We cannot write down a simple fraction that equals Pi. The popular approximation of 22/7 = 3.1428571428571... is close but not accurate. Another clue is that the decimal goes on forever without repeating.

8 0
3 years ago
Help with question 17 please
qaws [65]
I believe this is the answer.

6 0
3 years ago
Need help ASAP. i forgot all the steps after the Area is solved with 5. or if 25pi is the right answer.
maxonik [38]

Answer:

42.5\:\mathrm{m^2}

Step-by-step explanation:

The area of a sector with measure \theta in degrees is given by r^2\pi\cdot\frac{\theta}{360}, where r is the radius of the sector.

What we're given:

  • r of 5
  • \theta of 195^{\circ}

Solving, we get:

A_{sector}=5^2\pi\cdot \frac{195}{360}=13.5416666667\pi=42.5424005174\approx \boxed{42.5\:\mathrm{m^2}}

*Notes:

  • units should be in square meters (area)
  • the problem does not say whether to round or leave answers in term of pi, so you may need to adjust the answer depending on what your teacher specifically wants
7 0
3 years ago
What is the value of r?
Harrizon [31]
The answer is (B) -5. 
4 0
4 years ago
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