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Phoenix [80]
2 years ago
9

Help me please!!! I will give Brainly if correct!

Mathematics
2 answers:
sesenic [268]2 years ago
5 0

Answer:

B. 20 mph

Step-by-step explanation:

You're gonna divide the total distance traveled in the time it took to find how much time it took per hour

540/27 = 20

Alexxandr [17]2 years ago
3 0

Answer:

B, 20mph

Step-by-step explanation:

540 miles in 27 hours is 540/27 = 20 miles in 1 hour. This is 20 mph

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20 divided by 4 is 5 so

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4+5=9 so the all in one deal is 9$

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2 years ago
What happens to the image of a figure that is rotated 90° counterclockwise?
Paul [167]
I think the answer is A
6 0
3 years ago
PLEASE HELP 50POINTS!!!!! <br><br> Can you always use synthetic division for dividing polynomials?
Karo-lina-s [1.5K]

Answer:

In order to divide polynomials using synthetic division, you must be dividing by a linear expression and the leading coefficient (first number) must be a 1. For example, you can use synthetic division to divide by x + 3 or x – 6, but you cannot use synthetic division to divide by x2 + 2 or 3x2 – x + 7.

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What is 1200/480 as a mixed number
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8 0
2 years ago
Read 2 more answers
If f(a + b) = f(a) + f(b) - 2f(ab) for all nonnegative integers a and b, and f(1) = 1, compute f(1986)
Mumz [18]

Answer:

f(1986) = 0

Step-by-step explanation:

f(a + b) = f(a) + f(b) - 2f(ab)

We need to find f(1986)

f(1986) = f(1 +1985). Using the above formula, we can write:

f(1 +1985) = f(1) + f(1985) - 2f(1 x 1985)

f(1986) = 1 - f(1985)                                         Equation 1

Applying the same formula again on f(1985), we get:

f(1985) = f(1 + 1984) = f(1) + f(1984) - 2f(1984)

f(1985) = 1 - f(1984)

Using this value in Equation 1, we get:

f(1986) = 1 - (1 - f(1984))

f(1986)= f(1984)

Continuing this, we can observe,

f(1986) = f(1984) = f(1982) = f(1980) .... = f(4) = f(2)

So,

f(1986) = f(2)

f(2) = f(1 + 1) = f(1) +f(1) - 2(1 x 1) = f(1) + f(1) - 2f(1)

f(2) = 1 + 1 - 2 = 0

Therefore,

f(1986) = f(2) = 0

7 0
3 years ago
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