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Alex73 [517]
3 years ago
15

You arrive to science class 45 seconds after leaving math which is 90 meters away. how fast did you travel?

Mathematics
1 answer:
galben [10]3 years ago
6 0
Speed = distance/time
Speed = 90 meters/45 seconds
Simplify the above answer
Speed = 2 meters/second
You can double-check this: You walk 2 meters per second, so multiply 2 by 45 (that is how many seconds), and you get 90.
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What fraction of 1 pint is 1 cup
Aleonysh [2.5K]
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8 0
3 years ago
What is the y-intercept of the line given by the equation y=5x-21
Bess [88]

Answer: C.( 0,-21)

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3 0
2 years ago
Find the value of y when x=3<br> y=2x3<br> y=0
MaRussiya [10]
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Hope this helps
8 0
3 years ago
lara has a tin of peanuts cashews and pecans she will pick a second nut without looking. how many outcomes are there for her two
KiRa [710]
Possible procedures:

1). peanut, peanut
2). peanut, cashew
3). peanut, pecan
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5). cashew, cashew
6). cashew, pecan
7). pecan, peanut
8). pecan, cashew
9). pecan, pecan.

Nine (9) possible procedures.
But ...
(2) and (4) produce the same final result.
(3) and (7) produce the same final result.
(6) and (8) produce the same final result.

So there are only <em><u>six (6)</u></em> possible different outcomes.
6 0
3 years ago
Read 2 more answers
The graph of a trigonometric function oscillates between y=1 and y=-7. It reaches its
madam [21]

Answer:

y = 4 sin(½ x) − 3

Step-by-step explanation:

The function is either sine or cosine:

y = A sin(2π/T x) + C

y = A cos(2π/T x) + C

where A is the amplitude, T is the period, and C is the midline.

The midline is the average of the min and max:

C = (1 + -7) / 2

C = -3

The amplitude is half the difference between the min and max:

A = (1 − -7) / 2

A = 4

The maximum is at x = π, and the minimum is at x = 3π.  The difference, 2π, is half the period.  So T = 4π.

Plugging in, the options are:

y = 4 sin(½ x) − 3

y = 4 cos(½ x) − 3

Since the maximum is at x = π, this must be a sine wave.

y = 4 sin(½ x) − 3

4 0
3 years ago
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