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MaRussiya [10]
2 years ago
7

Which of the following is a valid reason why the quadrilateral shown below is

Mathematics
2 answers:
TiliK225 [7]2 years ago
4 0
The diagonals bisect eachother
natima [27]2 years ago
3 0
Answer: B

Explanation:
Definition of congruency for a rhombus
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Hunter-Best [27]
<span> y-2 > 1
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2 years ago
A wire 15 cm long is cut into two pieces. The longer piece is 3.cmidonger than the shorter piece.Find the length of the shorter
Andre45 [30]

A piece of wire is cut into two pieces. That means each part would be assigned an unknown variable. Let one part be x and the other part be y.

That means,

x+y=15\operatorname{cm}

If the longer part is x, and the longer part is 3cm longer than the shorter part, then we would have the following;

\begin{gathered} x+y=15 \\ x=y+3 \\ \text{This is because x is 3cm longer,} \\ So\text{ the length of x would be y+3} \end{gathered}

We can now refine the equation as follow;

\begin{gathered} \text{Where;} \\ x=y+3 \\ x+y=15 \\ y+3+y=15 \\ 2y+3=15 \\ \text{Subtract 3 from both sides;} \\ 2y+3-3=15-3 \\ 2y=12 \\ \text{Divide both sides by 2;} \\ \frac{2y}{2}=\frac{12}{2} \\ y=6 \\ \text{When;} \\ x+y=15 \\ x+6=15 \\ \text{Subtract 6 from both sides;} \\ x+6-6=15-6 \\ x=9 \end{gathered}

ANSWER:

The length of the shorter piece of wire is 6cm

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1 year ago
The table below shows the average yearly balance in a savings account where interest is compounded annually. no money is deposit
djverab [1.8K]
A. Linear with a negative rate of change
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Give 3 expressions equivalent to the expression 24x+60
kirill [66]
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Graph the solution of 2 ≥ 4 - v
vazorg [7]

Good evening ,

Answer:

2 ≤ v

Look at the photo below for the graph.

Step-by-step explanation:

2 ≥ 4 - v

2 - 4 ≥ - v

-2 ≥ -v

2 ≤ v.

:)

6 0
3 years ago
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