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blondinia [14]
3 years ago
8

NEED HELP ASAP! I'll mark brainliest as well. Line l has the equation y=3x–4. Write the equation of the image of I after a dilat

ion with a scale factor of 2, centered at the origin. Write your answer in slope-intercept form.
y =
Mathematics
1 answer:
faust18 [17]3 years ago
8 0

Answer:

y=3x-8

Step-by-step explanation:

All you do is multiply the y-intercept which is -4 with the dilation of 2 which means multiply it by 2.

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I need help on #12 please
Novosadov [1.4K]
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8 0
3 years ago
"In quadrilateral QRST, m∠Q is 68°, m∠R is (3x + 40)°, and m∠T is (5x − 52)°. What are the measures of ∠R , ∠S , and ∠T ? Write
34kurt
TQRS is an inscribed quadrilateral.
5 x - 52° + 3 x + 40° = 180°
8 x - 12° = 180°
8 x = 180° + 12°
8 x = 192°
x = 192° : 8 = 24°
m∠ R = 3 · 24° + 40° = 112°
m∠ T = 5 · 24° - 52° = 68°
m∠ S = 360° - ( 68° + 68° + 112° ) = 112°
Answer:  
m∠R, m∠S, m∠T = 112°, 112°, 68°.
4 0
3 years ago
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Write an equation of the line that passes through the given points. (-1,7) (3,-9)
Novay_Z [31]

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Semmy [17]

Answer:

x=(4y)/(3)+4

Step-by-step explanation:                  hope this helps :D

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