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Triss [41]
4 years ago
7

Please help!

Mathematics
1 answer:
Nitella [24]4 years ago
4 0
x = r cos \theta \\  \\ y = r sin \theta

x = (-2) cos (\pi/3) = (-2)(\frac{1}{2}) =-1 \\  \\ y=(-2) sin (\pi/3) = (-2)(\frac{\sqrt{3}}{2})=-\sqrt{3}

The rectangular coordinates are:
(-1,-\sqrt{3})
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A bottle contains 20fluid ounces of lotion and sells for $5.80.The 20-fluid -ounce bottle contains 125% of the lotion in the nex
daser333 [38]
If the 20 fl.oz bottle contains 125% of the next smallest size, the next smallest bottle should be 4/5 of the 20fl. oz bottle.
That means the smaller bottle has 16 fl. oz (you can check it, multiply 16 by 1.25 and you get 20).
Next, you can find the price as dollars per fluid ounce.
The bigger bottle will be: 5.8/20=$0.29
The smaller bottle: 5.12/16=$0.32
In this case, the larger bottle is the better buy because you pay less per fluid ounce of lotion.
7 0
4 years ago
Please help, If you can also explain the steps you used to solve this that would be great.
Darya [45]

Answer:

24¾

Step-by-step explanation:

8/18=11/x

x=11×18/8

x=198/8

x=24¾

7 0
3 years ago
PLEASE HELP!!! i will mark brainliest
Kipish [7]

Answer:

City B I think im not 100 percent sure

6 0
3 years ago
Read 2 more answers
X = -y-6<br> 7x + 6y = –10
Ede4ka [16]

Answer:

[26, -32]

Step-by-step explanation:

7[-y - 6] + 6y = -10

-7y - 42 + 6y = -10

-y - 42 = -10

+ 42 + 42

____________

-y = 32

-32 = y [Plug this back into both equations to get the x-value of 26]; 26 = x

I am joyous to assist you anytime.

7 0
3 years ago
Please solve for the triangle thank you
Mazyrski [523]
I think its 11250 I'm so sorry if that's wrong bc I'm new at this
8 0
3 years ago
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