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3 years ago

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Mike asks Billy to help him run his lemonade stand. He’ll either pay him 2/5 of 1/2 of the stand’s profits, or 1/3 of 3/4 of the

stand’s profits. Which should Billy choose to maximize the amount he will earn, and by what amount will his earnings be increased?

1 answer:

vodka [1.7K]3 years ago

6 0

2/5 of 1/2 would be 20%
1/3 of 3/4 would be 25%
so, the first one

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a rectangular park has an area of 6 square miles. the width of the property is 3/8 the length of the property. what is the width

xz_007 [3.2K]

L = the length of the property
W = the width of the property
Area
L * W = 6
but it says," The width of the property is of 3/8 the length he property."
therefore
W = 3%2F8L
or
W = .375L

In the area equation, replace W with .375L
L * .375L = 6
.375L^2 = 6
L^2 = 6%2F.375
L^2 = 16
L = sqrt%2816%29
L = 4 mi is the length
then
.375(4) = 1.5 mi is the width

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4 years ago

The prices of paperbacks sold at a used bookstore are approximately Normally distributed, with a mean of $7.85 and a standard de

True [87]

Answer:

The answer you want is indeed, (C).

8.04

ED2021

8 0

3 years ago

Factor 6x(x + 12) – 15(x + 12)

poizon [28]

The answer is 3(2x-5) (x+12)

6 0

2 years ago

What is the equation of the lines -6,-4 & 4,6

Jet001 [13]

1. use the equation y -y1 = m(x-x1)
2. (-6,-4) is x1,y1 and (4,-6) is x2,y2
3. y-(-4) = m(x-(-6)
m is the gradient, 10/10, which is 1. make two negatives into a positive.
4. y+4 = x+6

therefore the equation of the lines is y = x+2

substitute the points back into the equation to double check.

6 0

3 years ago

a rectangle field has an anrea of 40cm^2. if one side of the field is 3m longer than the other side, find the new area of the fi

oksian1 [2.3K]

The area of the field where the length of each side is increased by 10% is 48.4 $cm^{2}$ .

Step-by-step explanation:

The given is,

A rectangle field has an area of 40 $cm^{2}$

If one side of the field is 3 cm longer than the other side

The length of new area in each side is increased by 10%

Step:1

Let,

$b$ - One side of rectangle

$l$ - Other side of rectangle

From given.

$l$ - $b$ +3

Formula for area of rectangle,

$Area, a = lb$

40 = ( b+3) × b

40 = $b^{2}$ + 3b

Solving the above the equation,

b = 5 cm

l = 8 cm

Step:2

If the area of rectangle increased by 10%,

l = 8 + ( 8 × $\frac{10}{100}$ )

= 8.8

b = 5 + ( 5 × $\frac{10}{100}$ )

= 5.5

Area of rectangle is,

a = ( 8.8 × 5.5 )

= 48.4 square centimeters

Result:

The area of the field where the length of each side is increased by 10% is 48.4 $cm^{2}$ , if a rectangle field has an area of 40 square centimeters and one side of the field is 3 cm longer than the other side.

5 0

3 years ago