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Reil [10]
3 years ago
8

Which brand of rice is the better buy? Explain your reasoning.

Mathematics
2 answers:
irina1246 [14]3 years ago
6 0

Answer:

I think so Brand B should be bought because more ounces of rice in just a little bit expensive than brand A and more ounces of rice would work in just 3.19 dollars.

Ad libitum [116K]3 years ago
5 0
So you have to divide the amount by how many you’re buying and get the unit rate per each ounce so the answer is b
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Anyone know how to do trig? Given tan Ф = 4/5, find all other trig functions.
mars1129 [50]

9514 1404 393

Answer:

  • sin(Ф) = (4/41)√41; csc(Ф) = (√41)/4
  • cos(Ф) = (5/41)√41; sec(Ф) = (√41)/5
  • tan(Ф) = 4/5; cot(Ф) = 5/4

Step-by-step explanation:

The mnemonic SOH CAH TOA can help you with three of the functions. Then you need to remember the relations between those and the other three.

  Tan = Opposite/Adjacent

  tan(Ф) = 4/5

This suggests you can draw a triangle like the one attached that has adjacent side 5 and opposite side 4. Then hypotenuse can be found from the Pythagorean theorem:

  AC² = AB² +BC² = 5² +4² = 41

  AC = √41 . . . . . hypotenuse

Then the other trig functions are ...

  Sin = Opposite/Hypotenuse

  sin(Ф) = 4/√41 = (4/41)√41

  Cos = Adjacent/Hypotenuse

  cos(Ф) = 5/√41 = (5/41)√41

And the reciprocal functions are ...

  csc(Ф) = 1/sin(Ф) = (√41)/4

  sec(Ф) = 1/cos(Ф) = (√41)/5

  cot(Ф) = 1/tan(Ф) = 5/4

7 0
3 years ago
Help on this please i need help so much
attashe74 [19]
The correct answer for each is
a= 390.8
b= 136.8
7 0
3 years ago
Read 2 more answers
A jet ski rental company charges a $100 rental fee, plus $20 per hour. Write and dole an equation to determine how many hours yo
adell [148]

3 hours because if u have 175 dollers and u spend 100 so now u have 75. 75 -20 is 55. then 55 - 20 is 35. then 35 - 20 is 15 so then you have 15 dollers to spare. so 3

4 0
2 years ago
Wendy did a survey to answer the following question: What is the average math score of grade 6 students? The mean math score was
melomori [17]

Answer:

IT WOULD HAVE TO BE 8.5

Step-by-step explanation:

AVERAGE IS JUST ANOTHER NUMBER FOR MEAN.

8.5+8.5=17

17/2=8.5

8.5+8.5+8.5=25.5

25.5/3=8.5

7 0
3 years ago
Help me answer it pelase
Lady bird [3.3K]

Answer:

No

Step-by-step explanation:

9=5(-5)-4

9=-10-4

9=-14

4 0
2 years ago
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