4 years ago

Why can't the input value be negative?

1 answer:

8 0

If you are working with time or days, you can't put in a negative value because if you are doing an experiment, you can't go back in time to do that experiment to gather data. (Time for the most part considered to be an input value so that's why I used it as an example.)

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Alexandra [31]

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3 0

3 years ago

Lily wants to buy a cow but can't afford the $25 it costs. Later in the year it is at an affordable $15 and Lily can buy it. Wha

hodyreva [135]

Answer:

There was 60% discount on the cow.

Step-by-step explanation:

Cost of cow = $25

Latest price = $15

Discount can be calculated by dividing the latest price by the original price and multiplying by 100.

Thus,

percentage discount = 15/25 × 100

= 0.6 × 100

= 60%

Thus, there was 60% discount on the cow.

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3 years ago

If the polygon Z has the area of 9. The scale factor between Z and Z is 2. What is the area of Z?

Harman [31]

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3 years ago

an arrow is shot vertically upward from a platform 33ft high at a rate of 174 ft/sec. when will the arrow hit the ground?

Cloud [144]

Answer:

h(t) = -16t2 + 186t + 43

at the ground h = 0

hence; -16t2 + 186t + 43 = 0

solving this quadratic equation using the quadratic formula ; a = -16, b = 186, c = 43 ; x = (-b +-(b2 - 4ac)1/2)/2a

gives t = 11.8 seconds to the nearest tenth (note that the negative root has no practical significance)

Step-by-step explanation:

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3 years ago

Ben uses a compass and a straightedige to bisect angle PQR, as shown below.

Arturiano [62]

Answer:

The answer is <AQS = BQS when AS=BQ and AQ=BQ

Step-by-step explanation:

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3 years ago