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natali 33 [55]
3 years ago
8

Dana is attaching a shelf to a wall and needs the shelf to be perpendicular to the wall. How many degrees should the shelf be re

lative to the wall?
Mathematics
2 answers:
KiRa [710]3 years ago
8 0
90° because perpendicular lines are never ending.
wolverine [178]3 years ago
4 0

Answer:

90°

Step-by-step explanation:

The shelf will be perpendicular to the wall if it intersects the wall at a right angle which is equal to 90°

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On a coordinate plane, a polygon has points (negative 3, 4), (3, 4), (3, negative 3), (negative 3, negative 2).
alexandr1967 [171]

Answer:

(-3,-2)

(-3,4)

(3,4)

(3,-3)

Step-by-step explanation:

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13.7=C

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13.7/0.1=E

137=E

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3 years ago
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Silvia buys 12 steaks that are each 34 of a pound. She spends a total of $90 on steaks. Complete each sentence. Silvia buys a to
scZoUnD [109]
I think in the first sentence, that should have been 3/4 instead of 34. Total amount of steak bought (lb)
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3 years ago
Solve the system of equations by substitution. Show your work in the sketch and write your answer as an ordered pair.
Ede4ka [16]

Let's solve your system by substitution.

−3x+y=−2;y=4x

Rewrite equations:

y=4x;−3x+y=−2

Step: Solvey=4xfor y:

y=4x

Step: Substitute4xforyin−3x+y=−2:

−3x+y=−2

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Step: Substitute−2forxiny=4x:

y=4x

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Answer:

x=−2 and y=−8

3 0
3 years ago
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