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babunello [35]
3 years ago
13

Evaluate the function. f(x) = -x2-12 find f(-3)

Mathematics
2 answers:
Mekhanik [1.2K]3 years ago
4 0
Answer: -21

Jdjdjdjzkzjzjxhjcjxjc
Lelechka [254]3 years ago
3 0
Your answer to this question is -21
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Determine the domain and range of the following graph​
ipn [44]

Answer:

<u>As per the graph we see:</u>

Domain is:

  • x = [0, 1]

Range is:

  • y = [-4, -3]

7 0
3 years ago
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Can you help me with this question?
Troyanec [42]
Assuming you are focusing on the square only, then the answer is 9 inches.

You take the square root of 81 to get 9. Notice how 9^2 = 9*9 = 81. So if you're not familiar with square roots, then think backwards in a sense to get the answer.
6 0
3 years ago
¿Conozco el universo?​
podryga [215]

Answer:

hi

Step-by-step explanation:

I don't know what you know(i'm sure you know),but I know a little bit and I love exploring the universe

and you?

Have a nice day

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8 0
2 years ago
25% of the students attended the school dance. if 32 attended the dance, how many students are there in all?
nadya68 [22]

Answer:

128 students in total

Step-by-step explanation:

25/100 = 1/4

1/4 = 32/ x

1 x 32

4 0
3 years ago
The following are score earned by 15 college students on a 20-point math quiz. (a) calculate the mean, median, and mode scores.
Softa [21]

Answer:

(a) 12.87; 14; 18; (b) median  

Step-by-step explanation:

(a) Statistics

(i) Mean

The mean is the sum of all the data points divided by the number of points.

\begin{array}{rcl}\text{Mean} & = & \dfrac{0 + 2 + 3 + 12 + 12 + 13 + 14 + 14 + 15 + 15 + 18 + 18 + 18 + 19 + 20}{15}\\\\& = & \dfrac{193}{15}\\\\& = & \mathbf{12.87}\\\end{array}

(ii) Median

The median is the middle value in your list of observations.

0, 2, 3, 12, 12, 13, 14, 14, 15, 15, 18, 18, 18, 19, 20

Median = 14

(iii) Mode

The mode is the value that appears most often in your list of observations.

0, 2, 3, 12, 12, 13, 14, 14, 15, 15, 18, 18, 18, 19, 20

Mode = 18

(b) Most representative measure

The mean is dragged down by three low values. The median is the measure that is most representative of the data.

The histogram below shows the distribution of your data.

8 0
3 years ago
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