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Andreas93 [3]
3 years ago
8

To test whether a table represents a direct variation, we must

Mathematics
1 answer:
erastova [34]3 years ago
3 0

Answer:

D

Step-by-step explanation:

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sweet-ann [11.9K]

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Step-by-step explanation:

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3 years ago
Please tell me? thx for ur help <3
motikmotik

Answer:

x = 63, y = 27

Step-by-step explanation:

x and 117 are adjacent angles and sum to 180°

x + 117 = 180 ( subtract 117 from 180 )

x = 63

x and y sum to 90°

x + y = 90

63 + y = 90 ( subtract 63 from both sides )

y = 27

4 0
3 years ago
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Question 5 (1 point)
fredd [130]

Answer:

a)   x² + 6x + 9

Step-by-step explanation:

When we square something, we multiply it by itself:

⇒ (x + 3)² = (x + 3)(x + 3)

Using the FOIL method:  (a + b)(c + d) = ac + ad + bc + bd

⇒ (x + 3)(x + 3) = x² + 3x + 3x + 9

                        = x² + 6x + 9

4 0
2 years ago
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Diego works at a warehouse that ships two types of packages, a red package weighing 4 pounds and a blue package weighing 6 pound
Misha Larkins [42]

Answer:

Step-by-step explanation:

Red =x   Blue = y

1)  4x + 6y = 180

2)  x + y = 40

solve for x in eq. 2 and plug into eq. 1

2a)  x=40-y

1a)  4(40-y) + 6y = 180

160-4y +6y = 180

2y=20

y=10

plug into eq. 2

x + 10 =40

x=30

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3 years ago
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