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LenaWriter [7]
3 years ago
14

Help with 7-9 please

Mathematics
2 answers:
kupik [55]3 years ago
7 0
Answer: -2


Step by Step Explanation: 7-9 is -3. It is easier to do it as 9-7, which is 2. Then you add the subtraction sign. Which will become -2
leva [86]3 years ago
5 0
The answer for that is -2.
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3 years ago
I'm stuck and really need help. I can't figure out the rest.
Ad libitum [116K]

Answer:

The next statements are are;

Statement                                                  {}        Reason

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

\overline {AD} ≅ \overline {BC} and \overline {DC} ≅ \overline {AB}, therefore;

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

The parallelogram side theorem states that a quadrilateral is a parallelogram if it has two pairs or sets of congruent opposite sides.

4 0
2 years ago
Simplify 5(-2)(-11)<br><img src="https://tex.z-dn.net/?f=5%28%20-%202%29%28%20-%2011" id="TexFormula1" title="5( - 2)( - 11" alt
hram777 [196]
5(-2) = -10, so    5(-2)(-11) = (-10)(-11) = 110
3 0
2 years ago
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