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slavikrds [6]
3 years ago
12

Consider a mathematical function f() defined over a single variable, denoted as x. The domain of x is any value between negative

infinity and positive infinity. So, basically, everything. The function is parameterized by three constants, a, b, and c. f(x) = x3 + -7.5x2 + -18 x + 7
Mathematics
1 answer:
Fantom [35]3 years ago
6 0

Answer:(-9,-7)

Step-by-step explanation:

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Maria has a 30 min. work break. During the break, she'll walk 3 minutes to another floor, say hello to 4 different friends spend
stiv31 [10]
She can spend 6minutes with each friend.
Explanation step by step:
Maria has 30 min break, she walks 3 min to another floor- we have deduct that 3 min from 30 mi
30-3=27
Than she walks 3 min back to her floor
27-3=24
She has 24 minutes left which she equally divided between 4 friends
24:4=6
6 is the answer
8 0
3 years ago
Gabrielle surveyed a random sample of 40 students in her school's cafeteria about whether they ate the cafeteria's tomato soup.
den301095 [7]
Part A:
14/40=x/840
14*840=40x
11760=40x
294=x
x=294
194 are expected to eat the tomato soup

Part B:
find the average of 10,11, and 14 
35/3=11.67

11.67/40=x/840
40x=11.67*840
9802.8=40x
x=245.07

245.07/840
0.29175*100 = 29.175

29.175%
8 0
4 years ago
Find the positive value of x that makes the following equation true?<br> x^2 − 1 4 = 5x + 67 − 5x
Naddika [18.5K]

Answer:

x=9

Step-by-step explanation:

x^2 = 5x + 81 -5x.

x^2 = 81

x=9

5 0
3 years ago
If y = 2x + 5, find the value of y when x =10?​
k0ka [10]

Answer:

value of y = 25

Step-by-step explanation:

substituting the value of x as 10 ;

  • y = (2×10) + 5
  • y = 20 + 5
  • y = 25

<em>i</em><em> </em><em>hope</em><em> </em><em>i</em><em>t</em><em> </em><em>helped</em><em>.</em><em>.</em><em>.</em><em>.</em>

4 0
3 years ago
Read 2 more answers
1 point
ozzi

Answer:

11,400 ft^2

with no allowances for doors or windows

Step-by-step explanation:

ceiling: (35)(40) = 1400

walls: 2(35 x 16) + 2(40 x 16) = 2400

2400 = 1400 = 3800 ft^2

3800 ft^2 x 3 = 11,400 ft^2

6 0
3 years ago
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