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schepotkina [342]
3 years ago
13

Acellus

Mathematics
1 answer:
steposvetlana [31]3 years ago
4 0
Format: y = mx + b
m = slope, b = y intercept
The answer is y = x + 2
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I need the first and second one, please anyone
tia_tia [17]

Answer:

f(-1) = 0

f(2) = 16

Step-by-step explanation:

f(-1) = 4(-1) + 4 = 0

f(2) = 4(2) + 8 = 16

5 0
3 years ago
425 school children were surveyed about what they want to be when they grow up, out of a choice of five professions. The results
hammer [34]
Given:

425 school children

Teacher : 80
Doctor : 105
Lawyer : 70
Police Officer : 70
Firefighter : 100
Total = 425

After applying Pearson's chi-squared test, it is concluded that this data reflects a real difference in the population. 

x^{2} = summation ((O_i - E_i)^2/E_i)
6 0
4 years ago
Over the course of a weekend, the temperature drops 14.2 degrees on Friday, rises 13 degrees on Saturday, and drops another 10.8
Vladimir79 [104]
\bf \begin{array}{llrll}
friday&\downarrow &-14.20\\
saturday&\uparrow &+13.00\\
sunday&\downarrow &-10.80\\
&&\text{\textemdash\textemdash\textemdash}\\
&\Downarrow&-12.00
\end{array}
5 0
3 years ago
Find the area of a circle with a circumference of 12.56 units
vagabundo [1.1K]

Answer:

a = 157.7536pi

Step-by-step explanation:

area = pi*circumference²

a = pi*12.56² = 157.7536*pi

however, if pi just equals 3.14:

probably around 495.346304

6 0
3 years ago
Read 2 more answers
Joelle is working on a school report in a word processor. She wants to place a figure which is 13.09 \text{ cm}13.09 cm13, point
dimulka [17.4K]
Subtract 13.09 from 21.59 giving you 8.5. Since the amount of space on both the left and right margin have to be equal you would divide by 2 to get 4.25 on the left margin as well as the right.
3 0
3 years ago
Read 2 more answers
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