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horrorfan [7]
3 years ago
8

F(x) = -4x2 + 5x Find f (6)

Mathematics
1 answer:
mina [271]3 years ago
7 0
You would plug in 6 where the x is so it would be -4 times 2 plus 5(6)
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a school counts the number of students taking AMDM and find 221 students taking AMDM. they also count the number of students tak
Masja [62]

Answer:

33.195%

Step-by-step explanation:

AMDM: 221 students

Physics: 241 students

Taking both: 80 students

80/241 = ~33.195%

4 0
3 years ago
Sam tried to subtract 21.3-1.9
Lelechka [254]
You would have to put 21.3 on top and 1.9 under it. then you would have to borrow the number. the answer would be 19.4
5 0
2 years ago
Read 2 more answers
Can someone please help me with 15?
Feliz [49]

the answer is m=17

https://photomath.net/s/argDe9 shows how to get there

4 0
3 years ago
Keiko surveyed people with cell phones. Ages in years = a Texts they send per day = t He drew a best-fit line and determined its
tigry1 [53]

Answer:

  68 texts per day

Step-by-step explanation:

The description of the variables in the equation tells you that you want to find t (texts sent per day) for the given value of 'a' (age in years).

__

Substitute the number (15) for the variable (a) and do the arithmetic:

  t = -1.63a +92.14

  t = -1.63(15) +92.14 = -24.45 +92.14

  t = 67.69

Keiko's trend line estimates a 15-year-old would send about 68 texts per day.

7 0
2 years ago
Your coffee bar has two kinds of drink One cup of the first one costs 9 grams of juice , 4 grams of coffee and 3 grams of sugar
VMariaS [17]

Answer:

How many drinks should be sold to get a maximal profit? 468

Sales of the first one = 345 cups

Sales of the second one = 123 cups

Step-by-step explanation:

maximize 1.2F + 0.7S

where:

F = first type of drink

S = second type of drink

constraints:

sugar ⇒ 3F + 10S ≤  3000

juice ⇒ 9F + 4S ≤  3600

coffee ⇒ 4F + 5S ≤  2000

using solver the maximum profit is $500.10

and the optimal solution is 345F + 123S

6 0
3 years ago
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