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Neko [114]
3 years ago
12

All the answers you need is at the top​

Mathematics
1 answer:
svp [43]3 years ago
7 0

Answer:

I don't know if you need help, but the answer to the question in the picture is indeed A. :)

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F(x) = 2x² + x at (-1, 1)
lord [1]

Answer:

f(x) = 2 {x}^{2}  + x \\ at \: that \: point \: given \:  \: x =  - 1 \\ f(x) = 2 {( - 1)}^{2}  + ( - 1) \\ f(x) = 2 - 1 \\ f(x) = 1

4 0
3 years ago
the total cost of tax to repair carl's engine is represented by 0.095 (125h)+125h, why h represents the number of hours it takes
pentagon [3]
The money is taken per hour of work and 125 is the amount taken per hour of work
and when multiplied by .095 gives the amount extra he has to pay(for the tax)
4 0
3 years ago
Find the distance between (1,2) and (5,5).
masha68 [24]

Answer: 5

Step-by-step explanation:

Use the distance formula to determine the distance between the two points.

3 0
3 years ago
the volume of a gas varies inversely as the pressure upon it. if the volume of the gas is 160 cubic centimeters at a pressure of
marin [14]
It was stated in the problem that a given volume of a is inversely proportional with the pressure of the system. It means that the as the volume increases, the pressure would decrease and as the volume decreases, the pressure would increase. We would express it as:

V α 1/P

To change it to an equality, we introduce a proportionality constant, k. We do as follows:

V = k/P

So, to determine what is asked, we need to first calculate for the value of k.

V = k/P
At V = 160 m^3 P = 108 cmHg
160 = k / (108)
k = 17280

Thus, at P = 87 cmHg 
V = 17280 / 87 
V = 198.62 m^3
4 0
3 years ago
Scores on the final in a statistics class are as follows.
IgorLugansk [536]

Answer:

Kindly check explanation

Step-by-step explanation:

Calculate the 25th, 50th, and 75th percentiles.

b. Calculate the interquartile range.

c. Construct a boxplot. Are there any outliers?

Reordered data:

25, 40, 52, 55, 60, 70, 70, 72, 74, 75, 75, 80, 80, 85, 85, 86, 87, 90, 92, 99

25 th percentile :

1/4 (n + 1)th, tetm

n = 20

1/4(21) = 5.25th term

(5 + 6) th term / 2

= 65

50th percentile :

1/2 (n + 1)th, tetm

n = 20

1/2(21) = 10.5th term

(10 + 11) th term / 2

= 75

75th percentile:

3/4 (n + 1)th, tetm

n = 20

3/4(21) = 15.75th term

(15 + 16) th term / 2

= 85.5

Interquartile range :

Q3 - Q1

75th percentile - 25th percentile

85.5 - 65

= 20.5

25 is an Outlier

7 0
3 years ago
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