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Natalija [7]
2 years ago
12

Write as an improper fraction 7 2/5

Mathematics
1 answer:
Nana76 [90]2 years ago
4 0

Answer:

37/5

Step-by-step explanation:

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Does 6 3/8 - 4 3/4 = 4 3/4
UNO [17]

Answer:

no it doesnt

Step-by-step explanation:

4 0
2 years ago
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Can someone turn 1938 into a scientific notation for me? 10 POINTS
photoshop1234 [79]

Answer:

1.938 x 10^3

Step-by-step explanation:

1938 move decimal 3 times to left and times by 10 to 3rd

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2 years ago
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Can we combine different functions (quadratic, linear, exponential, cube root) into one piecewise function? If the answer is yes
yanalaym [24]

Answer: yes, because it is useful to describe changes in the behavior of the thing we are describing.

Step-by-step explanation:

A piecewise function f(x) is a function that is "different" depending on the range of the values of x, this is for example:

y = x -----> if x < 0

y = x^2 ----- if x ≥ 0

This is used to represent changes in the behavior of the thing we are describing.

For example, suppose an object that is moving with constant velocity, the velocity graph will be a constant line.

Now, the object suddenly, at a time t = t0 accelerates to a constant acceleration A, now the graph of the velocity is a linear graph with slope equal to A.

So this situation can be represent this with a piecewise function:

V(t) = c -----> if t < t0

V(t) = c + A*t -----> if t ≥ t0

So the answer is yes, we can.

8 0
3 years ago
A parachutist is 800 feet above the ground when she opens her parachute. She then falls at a constant rate of 5 feet per second.
jeyben [28]
The answer is y=-5x+800, x being the # of seconds she's been in the air, and y being how far above the ground she is.
4 0
3 years ago
5p coins weigh approximately 3 grams.
Luba_88 [7]
It would be 0.3 kg, because 3 times a hundred and divided by a thousand is 0.3.
6 0
2 years ago
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