Please need HELP with A, B, and C!!

1 answer:

7 0

Answer:

as in pic below

Step-by-step explanation:

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Digiron [165]

In order to make them perpendicular, their dot product must result in zero. so:

$4 \times 2 - 2a - 2 \times 1 = 0$

$2a = 8 - 2 = 6$

$a = 3$

7 0

2 years ago

Lina20 [59]

2x + 21 = 35
hope this helps

3 0

3 years ago

Natasha2012 [34]

Yes because,
8×1 = 8
8×2 = 16
8×3 = 24
8×4 = 32
8×5 = 40

So 40 is a multiple of 8

4 0

3 years ago

zubka84 [21]

In slope Intercept for it is ...y=2x+3

4 0

2 years ago

11Alexandr11 [23.1K]

Answer:

5/6

Step-by-step explanation:

6 0

2 years ago