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lana [24]
3 years ago
11

Who missed meeeeeeeeee also 2x+5y=30 . find y

Mathematics
1 answer:
VMariaS [17]3 years ago
8 0

Step-by-step explanation:

2x+5y=30

5y=30-2x.

y =  \frac{30 - 2x}{5}

y =  \frac{2(15 - x)}{5}

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GEOMETRY!!!! CLICK ON THE PICTURE
Helga [31]

Answer:

#1 - Two complementary angles with measures that have a sum of 90.

#2- angles with a common vertex and side.

#3 - two supplementary angles with measures that have a sum of 180.

#4 - the region of a plane inside an angle

#5 - the region of a plane outside an angle

#6 - an angle with a measure of anything less than 90 degrees.

#7 - an angle with a measure of anything greater than 90 degrees.

These all should be right :)

Lmk how I did!

7 0
3 years ago
A large oak tree has 2 x 10⁵ leaves during
Rom4ik [11]
I’m pretty sure it’s this 200,000
4 0
3 years ago
An individual needs a daily supplement of at least 420 units of vitamin C and 170 units of vitamin E and agrees to obtain this s
Ierofanga [76]

Answer:

To obtain equivalent amount from both foods we can eat 10 ounces of Food I and 5 Ounces of food II

To obtain minimum cholesterol, the individual should eat only 21 ounces of food II and zero ounce of food for the daily supplement of the individual

Step-by-step explanation:

Food I contains 32×C + 10×E per ounce

Food II contains 20×C + 14×E  

Here we have X × (Food I) + Y × (Food II) = 420 C + 170 E

32·X + 20·Y = 420 C

10·X + 14·Y = 170 E

Therefore

X = 10 and Y = 5

To minimize the cholesterol, we can increase amount of Food II to get

21 ounces of food II gives

420 units of vitamin E and 294 units of vitamin E with 273 units of cholesterol.

 

                     

3 0
3 years ago
A population of 1200 leopards decreases by 12% per year. How many leopards will there be in the population after 6 years? Round
frez [133]
12% of 1200 is 144, so subtract that. you get 1056. 12% of that is 126.72, so you subtract that. you get 929.28. 12% of that is 111.5136 and you subtract that. and so on and so forth. the answer would be 557.
3 0
3 years ago
There are 24 pictures on a roll of film. Adelle had 84 pictures from her trip home. She said that 12 other pictures were spoiled
galina1969 [7]
The answer is 4.

There were in total 96 pictures (84 pictures  + 12 spoiled = 96 pictures).
1 roll of film has 24 pictures. x rolls of film have 96 pictures.
1 : 24 = x : 96
x = 1 * 96 : 24
x = 4


6 0
3 years ago
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