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Sveta_85 [38]
4 years ago
14

Brian has reduced his cholesterol level by 12% by following a strict diet and regular exercise. If his original level was 220, w

hat is his approximate cholesterol level now?
Mathematics
1 answer:
iVinArrow [24]4 years ago
7 0
193.60 would be the answer.
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Please help 10 points and you get brainiest if you get it right.<br> look at the pic below
IRISSAK [1]
I think its 2/3 + 1/4 = 11/12
6 0
3 years ago
Read 2 more answers
Find the extreme values of the function f(x, y) = 4x2 + 6y2 on the circle x2 + y2 = 1.
julia-pushkina [17]

Answer with Step-by-step explanation:

We are given that

f(x,y)=4x^2+6y^2

Let g(x,y)=x^2+y^2=1

We have to find the extreme values  of the given function

\nabla f(x,y)

\nabla g(x,y)=

Using Lagrange multipliers

\nabla f(x,y)=\lambda \nabla g(x,y)

f_x=\lambda g_x

8x=\lambda 2x

Possible value x=0 or \lambda=4

If x=0 then substitute the value in g(x,y)

Then, we get y=\pm 1

f_y=\lambda g_y

12y=\lambda 2y

If \lambda=4 and substitute in the equation

Then , we  get possible value of y=0

When y=0 substitute in g(x,y) then we get

x=\pm 1

Hence, function has possible  extreme values at points (0,1),(0,-1), (1,0) and (-1,0).

f(0,1)=6

f(0,-1)=6

f(1,0)=4

f(-1,0)=4

Therefore, the maximum value of f  on the circlex^2+y^2=1  is f(0,\pm1)=6 and minimum value of f(\pm1,0)=4

7 0
3 years ago
After serving out 24 gallons, a milk tank had 24 pints left. How much milk was in the tank to begin with?
mel-nik [20]

Answer:

216 pints or 27 gallons

Step-by-step explanation:

Basically you have to convert the gallons into pints to make it easier to add.

1 gallon = 8 pints

To turn 24 gallons into pints, multiply 24*8= 192.

So, now you just add 24+192 which is 216.

To convert into gallons, divide by 8 so it is 27.

216 pints or 27 gallons

Hope this helps!!

-Ketifa

(Can I get brainliest?)

4 0
3 years ago
What is the following sum in the simplest form? Square root 8 + 3 square 2 + square root 32
Vitek1552 [10]

Answer:

20

Step-by-step explanation:

√8=2

3(2^2)=12

√32=6

2+12+6=20

8 0
3 years ago
I need these questions answered ASAP thx!!
Korvikt [17]

A) profit is 8$, the price increases 8$ every time or each pie is $4

B)N times 4= P

C) 15 times 4= $60 Profit. Because each pie is 4$

D) if 144$ are made and each pie is $4, you’d divide 144 by 4= 36. 36 Pies were sold.

I hope this is correct and helps :)

6 0
4 years ago
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