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LiRa [457]
3 years ago
14

What’s the distance between (-2,0),(-3,-1)

Mathematics
2 answers:
devlian [24]3 years ago
5 0

Answer:

\sqrt{2}

Step-by-step explanation:

You want to use the distance formula: d = \sqrt{(x2 - x1)^{2} + (y2 - y1)^{2}  }

so, to start, fill in what you know. \sqrt{(-3 - -2)^{2}+ (-1 - 0)^{2}  }

now we are going to simplify what we have. if you have minus a negative number, the negatives cancel out, and sow we actually add -3 and  the --2 turns into 2.  (so -3 + 2)

\sqrt{(-1)^{2}+ (-1)^{2}  }

now we can square these \sqrt{1+1}

and now we have to keep going and we get this: \sqrt{2}

so the distance between the two points is \sqrt{2}!

Bumek [7]3 years ago
3 0

<em>h</em><em>o</em><em>p</em><em>e</em><em> </em><em>this</em><em> </em><em>will</em><em> </em><em>help</em><em> </em><em>u</em><em>.</em><em>.</em><em>.</em><em>.</em>

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Jocelyn said that the triangle below is not a right triangle. Her work is shown below. Explain what she did wrong and show Jocel
AfilCa [17]

Complete Question:

Jocelyn said that the triangle below is not a right triangle. Her work is shown below. Explain what she did wrong, and show Jocelyn the correct solution.

We need to check if 27² + 45² = 36² is a true statement. The left side of the equation is equal to 2,754. The right side of the equation is equal to 1,296. That means 272 + 452 = 362 is not true, and the triangle shown is not a right triangle

Answer/Step-by-step explanation:

Jocelyn used a wrong equation and statement.

Here's what she should have stated and done.

Using the converse of Pythagorean Theorem, which says that a triangle with sides a, b, and c is a right triangle if it satisfy the statement: a² + b² = c².

Where, c is the hypotenuse which is the longest leg. While a and b are the side lengths of the other two legs.

Therefore, in this case,

c = 45

b = 27

a = 36

Thus, what we need to check to be true would be:

36² + 27² = 45² (this is where Jocelyn made a mistake. Jocelyn wrote 27² + 45² = 36² rather)

Let's check if it's true.

2,025 = 2,025 (this is true)

Therefore, the triangle is a right triangle.

8 0
2 years ago
3) Graph y=-x2+3 <br> State the vertex and axis of symmetry
klasskru [66]
Vertex (0,3)
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8 0
2 years ago
Read 2 more answers
54 3/11 as a decimal
Sergio [31]
54 3/11...

54 is ur whole number
3/11 = 0.27 with a line over the 27 because it is repeating

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6 0
3 years ago
porfavor ayudenme dare corona a quien responda bien con procedimiento una sustancia tiene un volumen de 20 ml y una densidad de
valentina_108 [34]

Answer:

si

Step-by-step explanation:

6 0
3 years ago
(m+2)(m+3)=(m+2)(m-2)
Anastaziya [24]
(m+2)(m+3)= (m+2)(m-2)
⇒ m^2+ 3m+ 2m+ 6= m^2 -4
⇒ 5m+ 6= -4 (m^2 on both sides cancels out)
⇒ 5m= -4-6
⇒ 5m= -10
⇒ m= -10/5
⇒ m= -2

The final answer is m=-2~
6 0
3 years ago
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