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denis-greek [22]
3 years ago
6

Two number have a sum of 71 and a difference of 37

Mathematics
2 answers:
larisa86 [58]3 years ago
6 0
The right answer for the question that is being asked and shown above is that:

Two numbers have a sum of 71 and a difference of 37
x + y = 71
x - y = 37

So in order to get the two numbers, here it is:
x + y = 71
x - y = 37
------------
2x = 108
x = 54
y = 71 - 54
y = 17

<span>So the two numbers are 54 and 17</span>
ladessa [460]3 years ago
6 0
17+54=71 and have a difference of 37.
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Solve the following system: <br> 3x + 2y = 7 <br> -4.5x - 3y = -10.5
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Answer:

<u>infinitely many solutions</u>

Step-by-step explanation:

The system of equations :

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Multiplying Equation 1 times 3 and Equation 2 times 2 :

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Putting the equations in standard form after simplifying :

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4 0
2 years ago
How do you simplify -2x(x+3)-(x+1)(x-2)
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So far it should look like (-2x^2 -6x) - (x^2-x-2)
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Should look like this -2x^2 -6x - x^2+x+2
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Your result should be:
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8 0
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Answer:

The next statements are are;

Statement                                                  {}        Reason

Segment \overline {DC} ≅ Segment \overline {AB}                        {}   CPCTC

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ABCD is a parallelogram                    {}               Parallelogram side theorem

Step-by-step explanation:

Statement                                                  {}        Reason

Segment \overline {DC} ≅ Segment \overline {AB}  by Congruent Parts of Congruent Triangles are Congruent (CPCTC)

Given that \overline {AD} ≅ \overline {BC} and we have that \overline {DC} ≅ \overline {AB}, we get;

ABCD is a parallelogram                    {}               Parallelogram side theorem

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