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alexdok [17]
3 years ago
13

WILL GIVE BRAINLIEST!!!! How much fat is in a mixture created with x pints of 8% butterfat and y pints of 15% butterfat?

Mathematics
1 answer:
Alinara [238K]3 years ago
7 0

Step-by-step explanation:

Total fat in mixture is 8x+15y100 pints.

Explanation:

In a mixture of x pints of 8% butterfat, we have 8x100 pints of butter

and in y pints of 15% butterfat, we have 15y100 of butterfat.

Hence total fat in mixture is 8x+15y100 pints.

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PLZ HELP ASAP Geometry help: 2x^2 + 2y^2 - 8x +10y +2=0
Alexxx [7]
Ok so this is conic sectuion
first group x's with x's and y's with y's
then complete the squra with x's and y's


2x^2-8x+2y^2+10y+2=0
2(x^2-4x)+2(y^2+5y)+2=0
take 1/2 of linear coeficient and square
-4/2=-2, (-2)^2=4
5/2=2.5, 2.5^2=6.25
add that and negative inside

2(x^2-4x+4-4)+2(y^2+5y+6.25-6.25)+2=0
factor perfect squares
2((x-2)^2-4)+2((y+2.5)^2-6.25)+2=0
distribute
2(x-2)^2-8+2(y+2.5)^2-12.5+2=0
2(x-2)^2+2(y+2.5)^2-18.5=0
add 18.5 both sides
2(x-2)^2+2(y+2.5)^2=18.5
divide both sides by 2
(x-2)^2+(y+2.5)^2=9.25

that is a circle center (2,-2.5) with radius √9.25

6 0
2 years ago
2*10⁴-7³ please help​
melisa1 [442]

Answer:

19657

Step-by-step explanation:

By PEMDAS, we know we have to calculate the exponents first, then multiply the 2, and then subtract the 7³

2*10⁴ = 20000

20000 - 7³ = 19657

This is the third time I've seen this question. Are you posting this question again and again?

7 0
2 years ago
Which of the following are factors of 6x^2+30x-36
attashe74 [19]
I think the answer is 3,2, x+6, and x+2 because  the common factor is 6. Hope this helps.
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3 years ago
Vichy reads at a constant rate. She can read 5 pages
vagabundo [1.1K]

Answer:

p = (5t)/9

Step-by-step explanation:

 9 mins ---------- 5 pages

1 min -------------5/9 page

t mins ------------5/9 x t pages

Thus

p = (5t)/9

7 0
3 years ago
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