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nikitadnepr [17]
3 years ago
9

Need help asap answering no 2 and 4

Mathematics
2 answers:
dimulka [17.4K]3 years ago
8 0

Remark

Start by finding the slope of AB.

Then find the slope of CD. If the slopes are the same, you have parallel lines.

Step One

Find the slope of AB

y2 = 7

y1 = 3

x2 = -3

x1 = -7

<u>Formula</u>

m = (y2 - y1)/(x2 - x1)

<u>Solve</u>

m = (7 - 3) / (-3 - - 7)

m = 4/(-3 + 7) = 4/4 = 1

Step Two

Repeat Step One for CD.

<u>Givens</u>

y2 = - 5

y1 = - 1

x2 = 1

x1 = 5

m = (-5 - - 1)/(1 - 5)

m = (-5 + 1)/(-4)

m = - 4/-4 = 1

Conclusion

Since the lines have the same slope, they are parallel.

I can't see number 4

aleksandr82 [10.1K]3 years ago
7 0
For 2, AB is parallel to CD as AD is also parallel to BC

For 3, you can also say AD is parallel to BC
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Please help and thank you​
ziro4ka [17]

Answer:

Step-by-step explanation:

2)  

x + 14 \frac{13}{25}  =  -0.87

x + \frac{363}{25} = - \frac{87}{100}

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x  = - \frac{87}{100} - \frac{1452}{100}

x = - \frac{1539}{100}

3)

x -8 \frac{5}{6} = 1.5

x - \frac{53}{6} = \frac{9}{6}

x =  \frac{9}{6} + \frac{53}{6}

x = \frac{62}{6}

x = \frac{31}{3}

4)

x - \frac{7}{12} = - 7 \frac{7}{16}

x - \frac{28}{48} = - \frac{119}{16}

x = - \frac{357}{48} + \frac{28}{48}

x = - \frac{329}{48}

5)

\frac{8}{9} - x = 6 \frac{1}{15}

\frac{8}{9}  = \frac{91}{15} + x

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-33.754 - x = 28.05

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7 0
3 years ago
Does anyone know this question???
natima [27]

Answer:

B

Step-by-step explanation:

8 0
4 years ago
Read 2 more answers
2. Trapezoid WXYZ is located at W(2.1) X[3.
Nataliya [291]

Point Y is (6, -1)

Subtract 6 from the y coordinate in point y since it is translated down. keep the x coordinate since it is only being translated up and down, or by the y axis

5 0
4 years ago
Rationalize the denominator:<br><img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B1%7D%7B%20%5Csqrt%7B3%7D%20%20-%20%20%20%5Csqrt%7
Vilka [71]

Answer:

________________________________

step\:1

\frac{1}{ \sqrt{3} -  \sqrt{2}  }

write the equation

________________________________

step\:2

\frac{1 \times ( \sqrt{3} +  \sqrt{2})  }{ (\sqrt{3} -  \sqrt{2} ) \times  (\sqrt{3}  +  \sqrt{2})  }

multiply both numerator and denominator by √3+√2

________________________________

step\:3

\frac{ \sqrt{3} +  \sqrt{2}  }{ ( 3 ) - ( 2 ) }

after multiplying numerator with √3+√2 we get→√3+√2

after multiplying denominator we get 3-2

________________________________

step\:4

\frac{ \sqrt{3}  +  \sqrt{2} }{1}

after subtracting 3 with 2 we get →1

________________________________

hence denominater is rationalized✓

hope it helped you:)

3 0
3 years ago
Read 2 more answers
If vertex A is at (-1, 2) and vertex B is at (1, 5), then vertex A' is at and vertex B' is at .
lukranit [14]
The answer would be -0.5

5 0
3 years ago
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