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s344n2d4d5 [400]
3 years ago
5

Sammy is classifying quadrilateral EFGH. How can she use coordinate geometry to determine whether EFGH is a rhombus? E(2, 5), F(

1, 3), G(2, 1), H(3, 3)
Sammy can use the distance formula to show that the opposite sides have equal slopes.
Sammy can use the distance formula to show that all sides are equal.
Sammy can use the slope formula to show that the opposite sides have equal slopes. Sammy can use the slope formula to show that all sides are equal.
Mathematics
1 answer:
IgorC [24]3 years ago
3 0

Answer:

I think A.

Solution:

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Find the distance between (-8,-2) and (6,-1)
katen-ka-za [31]

Answer:

\boxed{ \bold{ \huge{ \boxed{ \sf{ \sqrt{197} \:  \:  units}}}}}

Step-by-step explanation:

Let the points be A and B

Let A ( -8 , -2 ) be ( x₁ , y₁ ) and B ( 6 , - 1 ) be ( x₂ , y₂ )

<u>Finding the distance between these points </u>

\boxed{ \sf{distance =  \sqrt{ {(x2 - x1)}^{2} +  {(y2 - y1)}^{2}  } }}

\dashrightarrow{ \sf{ \sqrt{ {(6 - ( - 8))}^{2} +  {( - 1 - ( - 2))}^{2}  } }}

\dashrightarrow{ \sf{ \sqrt{ {(6  + 8)}^{2} +  {( - 1 + 2)}^{2}  } }}

\dashrightarrow{ \sf{ \sqrt{ {(14)}^{2}  +  {(1)}^{2} } }}

\dashrightarrow{ \sf{ \sqrt{196 + 1}}}

\dashrightarrow{ \boxed{ \sf{ \sqrt{197 \:} \: units}}}

Hope I helped!

Best regards! :D

3 0
3 years ago
Please help me easy points
leva [86]

Answer:

The Sales taxes rate is 4%!

Step-by-step explanation:

<u>Price times tax rate = sale</u>

<em>370 (x) = 14.80</em>

<em>14.80 divided by 370 = 0.04</em>

<em>X= 0.04 = 4%</em>

Checking my work.

<em>370 times 0.04 = 14.80!</em>

Hope this helps!

3 0
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Zolol [24]

Answer:

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6 0
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Lynna [10]

Answer:

x = 183°

Step-by-step explanation:

5 0
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Write the equation in standard form. 2y + 3 = -1/3 (x-2)
garik1379 [7]
-1/3(x-2)=2y+3
hope that helped?
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3 years ago
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