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3 years ago

If 4 pounds of sugar cost $2, the cost of 1 pound of sugar is

Mathematics

2 answers:

-Dominant- [34]3 years ago

8 0

0.50 cents

I hope this helps and have a wonderful day!

jekas [21]3 years ago

7 0

$0.50
4/2=1/x
4x=2
x=1/2

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Alice's grandmothers age is a composite number between 70 and 80 and has a factor of 11 what is it

pshichka [43]

The factor of 11 is going to be 77 because you have to stay in between 70 to 80

and 7 times 11 is 77. It also has to be a number in the 11 timetables. It can't be 88 because we can't cross 80 so the factor is going to be 77.

Hope it helps

6 0

3 years ago

Read 2 more answers

A pigpen is to be enclosed using 640 m of fencing along three of its sides, the fourth side being a barn. Determine the dimensio

Basile [38]

Answer:

$W_{max}=480m\\ L_{max}=160m$

Step-by-step explanation:

Since we know we only have 640 feet of fence available, we know that L + W + L = 640, $\implies$ 2L + W = 640. This allows us to represent the width, W, in terms of L: W = 640 – 2L

Remember, the area of a rectangle is equal to the product of its width and length, therefore,

$A_{\rm pigpen}=L(640-2L)\implies 640L-2L^2$

Notice that, quadratic has been vertically reflected, since the coefficient on the squared term is negative, so the graph will open downwards, and the vertex will be a maximum value for the area.

recall,

$x_{max}=-b/2a$
$f(x)_{max}=f(x_{max})$

Since our function is A(L)=640L-2L², we get

a=-2
b=640

plug in the value of a and b into the first formula:

$L_{max}=-(640)/2(-2)\implies 160$

$A(L)_{max}=640(160)-2(160)^2\implies 76800$

hence,the dimensions of the pen that will maximize the area are L=160m and W=76800/160=480m

and we're done!

3 0

2 years ago

10 push-ups in 2 days= ?

bekas [8.4K]

Answer:

10 pushups?

or 20 if you do 10 pushups per day.

that would be an extra 24 calories burned (12 each day), depending on how fit you are, and not nearly enough pushups to be of any help to your physical health.

Step-by-step explanation:

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2 years ago

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Which is the perimeter of the triangle below? 13/24 foot 22/24 foot 28/24 foot

tensa zangetsu [6.8K]

Answer:

c. 22/24

Step-by-step explanation:

perimeter = 3/8 + 3/8 + 1/6

perimeter = 22/24 or 11/12