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yarga [219]
2 years ago
11

Naima is on a bridge 12 feet above a pond. She throws a handful of fish food straight down with a velocity of 8 feet per second.

In how many seconds will it reach the surface of the water? What is the domain and range of this function? (Note: Since the velocity is downward, it will be negative)
Mathematics
1 answer:
Svetllana [295]2 years ago
4 0

Answer:

1.5 seconds i think kkkkkk

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Find the probability of this event. Enter the answer as a fraction in simplest form, as a decimal, and as a
True [87]
Answer:
1/5
0.2
20%

Please mark brainliest!
4 0
3 years ago
If ƒ = {(2, -4), (2, 7) (3, 5), (4, -1), (8, 7)}, then ƒ is a function.
Pachacha [2.7K]

Answer:

F is not a function

Step-by-step explanation:

There is more than 1 corresponding y coordinate per x coordinate

7 0
3 years ago
Lettuce is planted on a 46​-acre field. The field is divided into​ one-acre subplots. A sample is taken from each subplot to est
nalin [4]

The correct answer is B. Stratified sampling is​ used since the field is divided into subplots and a random sample is taken from each subplot.

Explanation:

Sampling refers to the process followed by researchers to select a group of individuals from a larger group; considering in most studies it is not possible to analyze all the population. In the case of stratified sampling, this involves dividing the general population into smaller groups, which are known as strata; after this, the researcher selects a specific number of individuals from each strata. This method guarantees the sample is selected randomly, and therefore the study is not biased. Stratified sampling was the method used in the example described because, in this, the general population (46-acre field) was divided into subplots that represent the strata. Also, after this, the researcher selected one random sample.

7 0
3 years ago
Having trouble with this too
elixir [45]
If Angel ran a full lap in two minutes, then she ran half of a lap in one minute. If a lap is 2/5 kilometers, the half a lap is 1/5 kilometers.
5 0
3 years ago
There are 3 seventh-grade boys, 4 seventh-grade girls, 5 eighth-grade boys, and 8 eighth-
AURORKA [14]

Answer:

the answer would be 2/5

Step-by-step explanation:

you add up all of the boys to get 8

there are, in total 20 students that can be chosen, so there is an 8/20 chance that it would be a boy, simplified that is 2/5

8 0
3 years ago
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