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Fiesta28 [93]
2 years ago
6

Write each vector described below in component form and find its magnitude. Draw an arrow originating from (0,0) to

Mathematics
1 answer:
ElenaW [278]2 years ago
8 0

Answer:

a = 3xi - 4yj              b = -6xj      c = -2xi + 2yj  d = 5xi  + 7yj

a ; b ; c ; d vectors

i and j   unit vectors

Step-by-step explanation:

See attached file

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If you can travel 500 miles in 1 hour, how long will it take you to travel 800 miles
zhenek [66]

Answer:

1 hours and 30 minutes

Step-by-step explanation:

7 0
3 years ago
9.
marishachu [46]

Answer:

A. -4-3x>7

Step-by-step explanation:

-4-3(-5)>7

-4-(-15)>7

11>7

3 0
3 years ago
Consider the function f(x)=-2/3x +5 <br> what is f(-6) <br> enter your answer in the box <br> f(-6)=
GaryK [48]

Answer:

f(- 6) = 9

Step-by-step explanation:

to evaluate f(- 6), substitute x = - 6 into f(x)

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4 0
3 years ago
How do you do this question?
likoan [24]

Answer:

a) -7/9

b) 16 / (n² + 15n + 56)

c) 1

Step-by-step explanation:

When n = 1, there is only one term in the series, so a₁ = s₁.

a₁ = (1 − 8) / (1 + 8)

a₁ = -7/9

The sum of the first n terms is equal to the sum of the first n−1 terms plus the nth term.

sₙ = sₙ₋₁ + aₙ

(n − 8) / (n + 8) = (n − 1 − 8) / (n − 1 + 8) + aₙ

(n − 8) / (n + 8) = (n − 9) / (n + 7) + aₙ

aₙ = (n − 8) / (n + 8) − (n − 9) / (n + 7)

If you wish, you can simplify by finding the common denominator.

aₙ = [(n − 8) (n + 7) − (n − 9) (n + 8)] / [(n + 8) (n + 7)]

aₙ = [n² − n − 56 − (n² − n − 72)] / (n² + 15n + 56)

aₙ = 16 / (n² + 15n + 56)

The infinite sum is:

∑₁°° aₙ = lim(n→∞) sₙ

∑₁°° aₙ = lim(n→∞) (n − 8) / (n + 8)

∑₁°° aₙ = 1

8 0
3 years ago
Jerry grows two different types of oranges. He wants to know which type of oranges weighs more. he takes a random sample of oran
earnstyle [38]

The answer is B (There is evidence that a Type BBB  orange typically weighs more than a Type AAA orange.) this is right on edulastic

8 0
3 years ago
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